2 * Copyright (c) 2018, 2019, 2020 Stefan Sperling <stsp@openbsd.org>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #include "got_compat.h"
19 #include <sys/queue.h>
21 #include <sys/ioctl.h>
25 #if defined(__FreeBSD__) || defined(__APPLE__)
26 #define _XOPEN_SOURCE_EXTENDED /* for ncurses wide-character functions */
47 #include "got_version.h"
48 #include "got_error.h"
49 #include "got_object.h"
50 #include "got_reference.h"
51 #include "got_repository.h"
53 #include "got_opentemp.h"
55 #include "got_cancel.h"
56 #include "got_commit_graph.h"
57 #include "got_blame.h"
58 #include "got_privsep.h"
60 #include "got_worktree.h"
63 #define MIN(_a,_b) ((_a) < (_b) ? (_a) : (_b))
67 #define MAX(_a,_b) ((_a) > (_b) ? (_a) : (_b))
71 #define CTRL(x) ((x) & 0x1f)
75 #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
80 const struct got_error *(*cmd_main)(int, char *[]);
81 void (*cmd_usage)(void);
84 __dead static void usage(int, int);
85 __dead static void usage_log(void);
86 __dead static void usage_diff(void);
87 __dead static void usage_blame(void);
88 __dead static void usage_tree(void);
89 __dead static void usage_ref(void);
91 static const struct got_error* cmd_log(int, char *[]);
92 static const struct got_error* cmd_diff(int, char *[]);
93 static const struct got_error* cmd_blame(int, char *[]);
94 static const struct got_error* cmd_tree(int, char *[]);
95 static const struct got_error* cmd_ref(int, char *[]);
97 static const struct tog_cmd tog_commands[] = {
98 { "log", cmd_log, usage_log },
99 { "diff", cmd_diff, usage_diff },
100 { "blame", cmd_blame, usage_blame },
101 { "tree", cmd_tree, usage_tree },
102 { "ref", cmd_ref, usage_ref },
114 /* Match _DIFF to _HELP with enum tog_view_type TOG_VIEW_* counterparts. */
115 enum tog_keymap_type {
116 TOG_KEYMAP_KEYS = -2,
132 #define HSPLIT_SCALE 0.3f /* default horizontal split scale */
134 #define TOG_EOF_STRING "(END)"
136 struct commit_queue_entry {
137 TAILQ_ENTRY(commit_queue_entry) entry;
138 struct got_object_id *id;
139 struct got_commit_object *commit;
142 TAILQ_HEAD(commit_queue_head, commit_queue_entry);
143 struct commit_queue {
145 struct commit_queue_head head;
149 STAILQ_ENTRY(tog_color) entry;
153 STAILQ_HEAD(tog_colors, tog_color);
155 static struct got_reflist_head tog_refs = TAILQ_HEAD_INITIALIZER(tog_refs);
156 static struct got_reflist_object_id_map *tog_refs_idmap;
157 static enum got_diff_algorithm tog_diff_algo = GOT_DIFF_ALGORITHM_MYERS;
159 static const struct got_error *
160 tog_ref_cmp_by_name(void *arg, int *cmp, struct got_reference *re1,
161 struct got_reference* re2)
163 const char *name1 = got_ref_get_name(re1);
164 const char *name2 = got_ref_get_name(re2);
165 int isbackup1, isbackup2;
167 /* Sort backup refs towards the bottom of the list. */
168 isbackup1 = strncmp(name1, "refs/got/backup/", 16) == 0;
169 isbackup2 = strncmp(name2, "refs/got/backup/", 16) == 0;
170 if (!isbackup1 && isbackup2) {
173 } else if (isbackup1 && !isbackup2) {
178 *cmp = got_path_cmp(name1, name2, strlen(name1), strlen(name2));
182 static const struct got_error *
183 tog_load_refs(struct got_repository *repo, int sort_by_date)
185 const struct got_error *err;
187 err = got_ref_list(&tog_refs, repo, NULL, sort_by_date ?
188 got_ref_cmp_by_commit_timestamp_descending : tog_ref_cmp_by_name,
193 return got_reflist_object_id_map_create(&tog_refs_idmap, &tog_refs,
200 if (tog_refs_idmap) {
201 got_reflist_object_id_map_free(tog_refs_idmap);
202 tog_refs_idmap = NULL;
204 got_ref_list_free(&tog_refs);
207 static const struct got_error *
208 add_color(struct tog_colors *colors, const char *pattern,
209 int idx, short color)
211 const struct got_error *err = NULL;
212 struct tog_color *tc;
215 if (idx < 1 || idx > COLOR_PAIRS - 1)
218 init_pair(idx, color, -1);
220 tc = calloc(1, sizeof(*tc));
222 return got_error_from_errno("calloc");
223 regerr = regcomp(&tc->regex, pattern,
224 REG_EXTENDED | REG_NOSUB | REG_NEWLINE);
226 static char regerr_msg[512];
227 static char err_msg[512];
228 regerror(regerr, &tc->regex, regerr_msg,
230 snprintf(err_msg, sizeof(err_msg), "regcomp: %s",
232 err = got_error_msg(GOT_ERR_REGEX, err_msg);
237 STAILQ_INSERT_HEAD(colors, tc, entry);
242 free_colors(struct tog_colors *colors)
244 struct tog_color *tc;
246 while (!STAILQ_EMPTY(colors)) {
247 tc = STAILQ_FIRST(colors);
248 STAILQ_REMOVE_HEAD(colors, entry);
254 static struct tog_color *
255 get_color(struct tog_colors *colors, int colorpair)
257 struct tog_color *tc = NULL;
259 STAILQ_FOREACH(tc, colors, entry) {
260 if (tc->colorpair == colorpair)
268 default_color_value(const char *envvar)
270 if (strcmp(envvar, "TOG_COLOR_DIFF_MINUS") == 0)
271 return COLOR_MAGENTA;
272 if (strcmp(envvar, "TOG_COLOR_DIFF_PLUS") == 0)
274 if (strcmp(envvar, "TOG_COLOR_DIFF_CHUNK_HEADER") == 0)
276 if (strcmp(envvar, "TOG_COLOR_DIFF_META") == 0)
278 if (strcmp(envvar, "TOG_COLOR_TREE_SUBMODULE") == 0)
279 return COLOR_MAGENTA;
280 if (strcmp(envvar, "TOG_COLOR_TREE_SYMLINK") == 0)
281 return COLOR_MAGENTA;
282 if (strcmp(envvar, "TOG_COLOR_TREE_DIRECTORY") == 0)
284 if (strcmp(envvar, "TOG_COLOR_TREE_EXECUTABLE") == 0)
286 if (strcmp(envvar, "TOG_COLOR_COMMIT") == 0)
288 if (strcmp(envvar, "TOG_COLOR_AUTHOR") == 0)
290 if (strcmp(envvar, "TOG_COLOR_DATE") == 0)
292 if (strcmp(envvar, "TOG_COLOR_REFS_HEADS") == 0)
294 if (strcmp(envvar, "TOG_COLOR_REFS_TAGS") == 0)
295 return COLOR_MAGENTA;
296 if (strcmp(envvar, "TOG_COLOR_REFS_REMOTES") == 0)
298 if (strcmp(envvar, "TOG_COLOR_REFS_BACKUP") == 0)
305 get_color_value(const char *envvar)
307 const char *val = getenv(envvar);
310 return default_color_value(envvar);
312 if (strcasecmp(val, "black") == 0)
314 if (strcasecmp(val, "red") == 0)
316 if (strcasecmp(val, "green") == 0)
318 if (strcasecmp(val, "yellow") == 0)
320 if (strcasecmp(val, "blue") == 0)
322 if (strcasecmp(val, "magenta") == 0)
323 return COLOR_MAGENTA;
324 if (strcasecmp(val, "cyan") == 0)
326 if (strcasecmp(val, "white") == 0)
328 if (strcasecmp(val, "default") == 0)
331 return default_color_value(envvar);
334 struct tog_diff_view_state {
335 struct got_object_id *id1, *id2;
336 const char *label1, *label2;
340 int first_displayed_line;
341 int last_displayed_line;
344 int ignore_whitespace;
346 struct got_repository *repo;
347 struct got_diff_line *lines;
352 /* passed from log or blame view; may be NULL */
353 struct tog_view *parent_view;
356 pthread_mutex_t tog_mutex = PTHREAD_MUTEX_INITIALIZER;
357 static volatile sig_atomic_t tog_thread_error;
359 struct tog_log_thread_args {
360 pthread_cond_t need_commits;
361 pthread_cond_t commit_loaded;
364 struct got_commit_graph *graph;
365 struct commit_queue *real_commits;
366 const char *in_repo_path;
367 struct got_object_id *start_id;
368 struct got_repository *repo;
372 struct commit_queue_entry **first_displayed_entry;
373 struct commit_queue_entry **selected_entry;
375 int *search_next_done;
379 regex_t *limit_regex;
380 struct commit_queue *limit_commits;
383 struct tog_log_view_state {
384 struct commit_queue *commits;
385 struct commit_queue_entry *first_displayed_entry;
386 struct commit_queue_entry *last_displayed_entry;
387 struct commit_queue_entry *selected_entry;
388 struct commit_queue real_commits;
393 struct got_repository *repo;
394 struct got_object_id *start_id;
397 struct tog_log_thread_args thread_args;
398 struct commit_queue_entry *matched_entry;
399 struct commit_queue_entry *search_entry;
400 struct tog_colors colors;
404 struct commit_queue limit_commits;
407 #define TOG_COLOR_DIFF_MINUS 1
408 #define TOG_COLOR_DIFF_PLUS 2
409 #define TOG_COLOR_DIFF_CHUNK_HEADER 3
410 #define TOG_COLOR_DIFF_META 4
411 #define TOG_COLOR_TREE_SUBMODULE 5
412 #define TOG_COLOR_TREE_SYMLINK 6
413 #define TOG_COLOR_TREE_DIRECTORY 7
414 #define TOG_COLOR_TREE_EXECUTABLE 8
415 #define TOG_COLOR_COMMIT 9
416 #define TOG_COLOR_AUTHOR 10
417 #define TOG_COLOR_DATE 11
418 #define TOG_COLOR_REFS_HEADS 12
419 #define TOG_COLOR_REFS_TAGS 13
420 #define TOG_COLOR_REFS_REMOTES 14
421 #define TOG_COLOR_REFS_BACKUP 15
423 struct tog_blame_cb_args {
424 struct tog_blame_line *lines; /* one per line */
427 struct tog_view *view;
428 struct got_object_id *commit_id;
432 struct tog_blame_thread_args {
434 struct got_repository *repo;
435 struct tog_blame_cb_args *cb_args;
437 got_cancel_cb cancel_cb;
439 pthread_cond_t blame_complete;
445 struct tog_blame_line *lines;
449 struct tog_blame_thread_args thread_args;
450 struct tog_blame_cb_args cb_args;
455 struct tog_blame_view_state {
456 int first_displayed_line;
457 int last_displayed_line;
459 int last_diffed_line;
463 struct got_object_id_queue blamed_commits;
464 struct got_object_qid *blamed_commit;
466 struct got_repository *repo;
467 struct got_object_id *commit_id;
468 struct got_object_id *id_to_log;
469 struct tog_blame blame;
471 struct tog_colors colors;
474 struct tog_parent_tree {
475 TAILQ_ENTRY(tog_parent_tree) entry;
476 struct got_tree_object *tree;
477 struct got_tree_entry *first_displayed_entry;
478 struct got_tree_entry *selected_entry;
482 TAILQ_HEAD(tog_parent_trees, tog_parent_tree);
484 struct tog_tree_view_state {
486 struct got_object_id *commit_id;/* commit which this tree belongs to */
487 struct got_tree_object *root; /* the commit's root tree entry */
488 struct got_tree_object *tree; /* currently displayed (sub-)tree */
489 struct got_tree_entry *first_displayed_entry;
490 struct got_tree_entry *last_displayed_entry;
491 struct got_tree_entry *selected_entry;
492 int ndisplayed, selected, show_ids;
493 struct tog_parent_trees parents; /* parent trees of current sub-tree */
495 struct got_repository *repo;
496 struct got_tree_entry *matched_entry;
497 struct tog_colors colors;
500 struct tog_reflist_entry {
501 TAILQ_ENTRY(tog_reflist_entry) entry;
502 struct got_reference *ref;
506 TAILQ_HEAD(tog_reflist_head, tog_reflist_entry);
508 struct tog_ref_view_state {
509 struct tog_reflist_head refs;
510 struct tog_reflist_entry *first_displayed_entry;
511 struct tog_reflist_entry *last_displayed_entry;
512 struct tog_reflist_entry *selected_entry;
513 int nrefs, ndisplayed, selected, show_date, show_ids, sort_by_date;
514 struct got_repository *repo;
515 struct tog_reflist_entry *matched_entry;
516 struct tog_colors colors;
519 struct tog_help_view_state {
524 int first_displayed_line;
525 int last_displayed_line;
530 enum tog_keymap_type type;
533 #define GENERATE_HELP \
534 KEYMAP_("Global", TOG_KEYMAP_GLOBAL), \
535 KEY_("H F1", "Open view-specific help (double tap for all help)"), \
536 KEY_("k C-p Up", "Move cursor or page up one line"), \
537 KEY_("j C-n Down", "Move cursor or page down one line"), \
538 KEY_("C-b b PgUp", "Scroll the view up one page"), \
539 KEY_("C-f f PgDn Space", "Scroll the view down one page"), \
540 KEY_("C-u u", "Scroll the view up one half page"), \
541 KEY_("C-d d", "Scroll the view down one half page"), \
542 KEY_("g", "Go to line N (default: first line)"), \
543 KEY_("Home =", "Go to the first line"), \
544 KEY_("G", "Go to line N (default: last line)"), \
545 KEY_("End *", "Go to the last line"), \
546 KEY_("l Right", "Scroll the view right"), \
547 KEY_("h Left", "Scroll the view left"), \
548 KEY_("$", "Scroll view to the rightmost position"), \
549 KEY_("0", "Scroll view to the leftmost position"), \
550 KEY_("-", "Decrease size of the focussed split"), \
551 KEY_("+", "Increase size of the focussed split"), \
552 KEY_("Tab", "Switch focus between views"), \
553 KEY_("F", "Toggle fullscreen mode"), \
554 KEY_("S", "Switch split-screen layout"), \
555 KEY_("/", "Open prompt to enter search term"), \
556 KEY_("n", "Find next line/token matching the current search term"), \
557 KEY_("N", "Find previous line/token matching the current search term"),\
558 KEY_("q", "Quit the focussed view; Quit help screen"), \
559 KEY_("Q", "Quit tog"), \
561 KEYMAP_("Log view", TOG_KEYMAP_LOG), \
562 KEY_("< ,", "Move cursor up one commit"), \
563 KEY_("> .", "Move cursor down one commit"), \
564 KEY_("Enter", "Open diff view of the selected commit"), \
565 KEY_("B", "Reload the log view and toggle display of merged commits"), \
566 KEY_("R", "Open ref view of all repository references"), \
567 KEY_("T", "Display tree view of the repository from the selected" \
569 KEY_("@", "Toggle between displaying author and committer name"), \
570 KEY_("&", "Open prompt to enter term to limit commits displayed"), \
571 KEY_("C-g Backspace", "Cancel current search or log operation"), \
572 KEY_("C-l", "Reload the log view with new commits in the repository"), \
574 KEYMAP_("Diff view", TOG_KEYMAP_DIFF), \
575 KEY_("K < ,", "Display diff of next line in the file/log entry"), \
576 KEY_("J > .", "Display diff of previous line in the file/log entry"), \
577 KEY_("A", "Toggle between Myers and Patience diff algorithm"), \
578 KEY_("a", "Toggle treatment of file as ASCII irrespective of binary" \
580 KEY_("(", "Go to the previous file in the diff"), \
581 KEY_(")", "Go to the next file in the diff"), \
582 KEY_("{", "Go to the previous hunk in the diff"), \
583 KEY_("}", "Go to the next hunk in the diff"), \
584 KEY_("[", "Decrease the number of context lines"), \
585 KEY_("]", "Increase the number of context lines"), \
586 KEY_("w", "Toggle ignore whitespace-only changes in the diff"), \
588 KEYMAP_("Blame view", TOG_KEYMAP_BLAME), \
589 KEY_("Enter", "Display diff view of the selected line's commit"), \
590 KEY_("A", "Toggle diff algorithm between Myers and Patience"), \
591 KEY_("L", "Open log view for the currently selected annotated line"), \
592 KEY_("C", "Reload view with the previously blamed commit"), \
593 KEY_("c", "Reload view with the version of the file found in the" \
594 " selected line's commit"), \
595 KEY_("p", "Reload view with the version of the file found in the" \
596 " selected line's parent commit"), \
598 KEYMAP_("Tree view", TOG_KEYMAP_TREE), \
599 KEY_("Enter", "Enter selected directory or open blame view of the" \
601 KEY_("L", "Open log view for the selected entry"), \
602 KEY_("R", "Open ref view of all repository references"), \
603 KEY_("i", "Show object IDs for all tree entries"), \
604 KEY_("Backspace", "Return to the parent directory"), \
606 KEYMAP_("Ref view", TOG_KEYMAP_REF), \
607 KEY_("Enter", "Display log view of the selected reference"), \
608 KEY_("T", "Display tree view of the selected reference"), \
609 KEY_("i", "Toggle display of IDs for all non-symbolic references"), \
610 KEY_("m", "Toggle display of last modified date for each reference"), \
611 KEY_("o", "Toggle reference sort order (name -> timestamp)"), \
612 KEY_("C-l", "Reload view with all repository references")
617 enum tog_keymap_type type;
620 /* curses io for tog regress */
628 static int using_mock_io;
630 #define TOG_KEY_SCRDUMP SHRT_MIN
633 * We implement two types of views: parent views and child views.
635 * The 'Tab' key switches focus between a parent view and its child view.
636 * Child views are shown side-by-side to their parent view, provided
637 * there is enough screen estate.
639 * When a new view is opened from within a parent view, this new view
640 * becomes a child view of the parent view, replacing any existing child.
642 * When a new view is opened from within a child view, this new view
643 * becomes a parent view which will obscure the views below until the
644 * user quits the new parent view by typing 'q'.
646 * This list of views contains parent views only.
647 * Child views are only pointed to by their parent view.
649 TAILQ_HEAD(tog_view_list_head, tog_view);
652 TAILQ_ENTRY(tog_view) entry;
655 int nlines, ncols, begin_y, begin_x; /* based on split height/width */
656 int resized_y, resized_x; /* begin_y/x based on user resizing */
657 int maxx, x; /* max column and current start column */
658 int lines, cols; /* copies of LINES and COLS */
659 int nscrolled, offset; /* lines scrolled and hsplit line offset */
660 int gline, hiline; /* navigate to and highlight this nG line */
661 int ch, count; /* current keymap and count prefix */
662 int resized; /* set when in a resize event */
663 int focussed; /* Only set on one parent or child view at a time. */
665 struct tog_view *parent;
666 struct tog_view *child;
669 * This flag is initially set on parent views when a new child view
670 * is created. It gets toggled when the 'Tab' key switches focus
671 * between parent and child.
672 * The flag indicates whether focus should be passed on to our child
673 * view if this parent view gets picked for focus after another parent
674 * view was closed. This prevents child views from losing focus in such
679 enum tog_view_mode mode;
680 /* type-specific state */
681 enum tog_view_type type;
683 struct tog_diff_view_state diff;
684 struct tog_log_view_state log;
685 struct tog_blame_view_state blame;
686 struct tog_tree_view_state tree;
687 struct tog_ref_view_state ref;
688 struct tog_help_view_state help;
691 const struct got_error *(*show)(struct tog_view *);
692 const struct got_error *(*input)(struct tog_view **,
693 struct tog_view *, int);
694 const struct got_error *(*reset)(struct tog_view *);
695 const struct got_error *(*resize)(struct tog_view *, int);
696 const struct got_error *(*close)(struct tog_view *);
698 const struct got_error *(*search_start)(struct tog_view *);
699 const struct got_error *(*search_next)(struct tog_view *);
700 void (*search_setup)(struct tog_view *, FILE **, off_t **, size_t *,
701 int **, int **, int **, int **);
704 #define TOG_SEARCH_FORWARD 1
705 #define TOG_SEARCH_BACKWARD 2
706 int search_next_done;
707 #define TOG_SEARCH_HAVE_MORE 1
708 #define TOG_SEARCH_NO_MORE 2
709 #define TOG_SEARCH_HAVE_NONE 3
715 static const struct got_error *open_diff_view(struct tog_view *,
716 struct got_object_id *, struct got_object_id *,
717 const char *, const char *, int, int, int, struct tog_view *,
718 struct got_repository *);
719 static const struct got_error *show_diff_view(struct tog_view *);
720 static const struct got_error *input_diff_view(struct tog_view **,
721 struct tog_view *, int);
722 static const struct got_error *reset_diff_view(struct tog_view *);
723 static const struct got_error* close_diff_view(struct tog_view *);
724 static const struct got_error *search_start_diff_view(struct tog_view *);
725 static void search_setup_diff_view(struct tog_view *, FILE **, off_t **,
726 size_t *, int **, int **, int **, int **);
727 static const struct got_error *search_next_view_match(struct tog_view *);
729 static const struct got_error *open_log_view(struct tog_view *,
730 struct got_object_id *, struct got_repository *,
731 const char *, const char *, int);
732 static const struct got_error * show_log_view(struct tog_view *);
733 static const struct got_error *input_log_view(struct tog_view **,
734 struct tog_view *, int);
735 static const struct got_error *resize_log_view(struct tog_view *, int);
736 static const struct got_error *close_log_view(struct tog_view *);
737 static const struct got_error *search_start_log_view(struct tog_view *);
738 static const struct got_error *search_next_log_view(struct tog_view *);
740 static const struct got_error *open_blame_view(struct tog_view *, char *,
741 struct got_object_id *, struct got_repository *);
742 static const struct got_error *show_blame_view(struct tog_view *);
743 static const struct got_error *input_blame_view(struct tog_view **,
744 struct tog_view *, int);
745 static const struct got_error *reset_blame_view(struct tog_view *);
746 static const struct got_error *close_blame_view(struct tog_view *);
747 static const struct got_error *search_start_blame_view(struct tog_view *);
748 static void search_setup_blame_view(struct tog_view *, FILE **, off_t **,
749 size_t *, int **, int **, int **, int **);
751 static const struct got_error *open_tree_view(struct tog_view *,
752 struct got_object_id *, const char *, struct got_repository *);
753 static const struct got_error *show_tree_view(struct tog_view *);
754 static const struct got_error *input_tree_view(struct tog_view **,
755 struct tog_view *, int);
756 static const struct got_error *close_tree_view(struct tog_view *);
757 static const struct got_error *search_start_tree_view(struct tog_view *);
758 static const struct got_error *search_next_tree_view(struct tog_view *);
760 static const struct got_error *open_ref_view(struct tog_view *,
761 struct got_repository *);
762 static const struct got_error *show_ref_view(struct tog_view *);
763 static const struct got_error *input_ref_view(struct tog_view **,
764 struct tog_view *, int);
765 static const struct got_error *close_ref_view(struct tog_view *);
766 static const struct got_error *search_start_ref_view(struct tog_view *);
767 static const struct got_error *search_next_ref_view(struct tog_view *);
769 static const struct got_error *open_help_view(struct tog_view *,
771 static const struct got_error *show_help_view(struct tog_view *);
772 static const struct got_error *input_help_view(struct tog_view **,
773 struct tog_view *, int);
774 static const struct got_error *reset_help_view(struct tog_view *);
775 static const struct got_error* close_help_view(struct tog_view *);
776 static const struct got_error *search_start_help_view(struct tog_view *);
777 static void search_setup_help_view(struct tog_view *, FILE **, off_t **,
778 size_t *, int **, int **, int **, int **);
780 static volatile sig_atomic_t tog_sigwinch_received;
781 static volatile sig_atomic_t tog_sigpipe_received;
782 static volatile sig_atomic_t tog_sigcont_received;
783 static volatile sig_atomic_t tog_sigint_received;
784 static volatile sig_atomic_t tog_sigterm_received;
787 tog_sigwinch(int signo)
789 tog_sigwinch_received = 1;
793 tog_sigpipe(int signo)
795 tog_sigpipe_received = 1;
799 tog_sigcont(int signo)
801 tog_sigcont_received = 1;
805 tog_sigint(int signo)
807 tog_sigint_received = 1;
811 tog_sigterm(int signo)
813 tog_sigterm_received = 1;
817 tog_fatal_signal_received(void)
819 return (tog_sigpipe_received ||
820 tog_sigint_received || tog_sigterm_received);
823 static const struct got_error *
824 view_close(struct tog_view *view)
826 const struct got_error *err = NULL, *child_err = NULL;
829 child_err = view_close(view->child);
833 err = view->close(view);
835 del_panel(view->panel);
837 delwin(view->window);
839 return err ? err : child_err;
842 static struct tog_view *
843 view_open(int nlines, int ncols, int begin_y, int begin_x,
844 enum tog_view_type type)
846 struct tog_view *view = calloc(1, sizeof(*view));
854 view->nlines = nlines ? nlines : LINES - begin_y;
855 view->ncols = ncols ? ncols : COLS - begin_x;
856 view->begin_y = begin_y;
857 view->begin_x = begin_x;
858 view->window = newwin(nlines, ncols, begin_y, begin_x);
859 if (view->window == NULL) {
863 view->panel = new_panel(view->window);
864 if (view->panel == NULL ||
865 set_panel_userptr(view->panel, view) != OK) {
870 keypad(view->window, TRUE);
875 view_split_begin_x(int begin_x)
877 if (begin_x > 0 || COLS < 120)
879 return (COLS - MAX(COLS / 2, 80));
882 /* XXX Stub till we decide what to do. */
884 view_split_begin_y(int lines)
886 return lines * HSPLIT_SCALE;
889 static const struct got_error *view_resize(struct tog_view *);
891 static const struct got_error *
892 view_splitscreen(struct tog_view *view)
894 const struct got_error *err = NULL;
896 if (!view->resized && view->mode == TOG_VIEW_SPLIT_HRZN) {
897 if (view->resized_y && view->resized_y < view->lines)
898 view->begin_y = view->resized_y;
900 view->begin_y = view_split_begin_y(view->nlines);
902 } else if (!view->resized) {
903 if (view->resized_x && view->resized_x < view->cols - 1 &&
905 view->begin_x = view->resized_x;
907 view->begin_x = view_split_begin_x(0);
910 view->nlines = LINES - view->begin_y;
911 view->ncols = COLS - view->begin_x;
914 err = view_resize(view);
918 if (view->parent && view->mode == TOG_VIEW_SPLIT_HRZN)
919 view->parent->nlines = view->begin_y;
921 if (mvwin(view->window, view->begin_y, view->begin_x) == ERR)
922 return got_error_from_errno("mvwin");
927 static const struct got_error *
928 view_fullscreen(struct tog_view *view)
930 const struct got_error *err = NULL;
933 view->begin_y = view->resized ? view->begin_y : 0;
934 view->nlines = view->resized ? view->nlines : LINES;
938 err = view_resize(view);
942 if (mvwin(view->window, view->begin_y, view->begin_x) == ERR)
943 return got_error_from_errno("mvwin");
949 view_is_parent_view(struct tog_view *view)
951 return view->parent == NULL;
955 view_is_splitscreen(struct tog_view *view)
957 return view->begin_x > 0 || view->begin_y > 0;
961 view_is_fullscreen(struct tog_view *view)
963 return view->nlines == LINES && view->ncols == COLS;
967 view_is_hsplit_top(struct tog_view *view)
969 return view->mode == TOG_VIEW_SPLIT_HRZN && view->child &&
970 view_is_splitscreen(view->child);
974 view_border(struct tog_view *view)
977 const struct tog_view *view_above;
980 return view_border(view->parent);
982 panel = panel_above(view->panel);
986 view_above = panel_userptr(panel);
987 if (view->mode == TOG_VIEW_SPLIT_HRZN)
988 mvwhline(view->window, view_above->begin_y - 1,
989 view->begin_x, ACS_HLINE, view->ncols);
991 mvwvline(view->window, view->begin_y, view_above->begin_x - 1,
992 ACS_VLINE, view->nlines);
995 static const struct got_error *view_init_hsplit(struct tog_view *, int);
996 static const struct got_error *request_log_commits(struct tog_view *);
997 static const struct got_error *offset_selection_down(struct tog_view *);
998 static void offset_selection_up(struct tog_view *);
999 static void view_get_split(struct tog_view *, int *, int *);
1001 static const struct got_error *
1002 view_resize(struct tog_view *view)
1004 const struct got_error *err = NULL;
1005 int dif, nlines, ncols;
1007 dif = LINES - view->lines; /* line difference */
1009 if (view->lines > LINES)
1010 nlines = view->nlines - (view->lines - LINES);
1012 nlines = view->nlines + (LINES - view->lines);
1013 if (view->cols > COLS)
1014 ncols = view->ncols - (view->cols - COLS);
1016 ncols = view->ncols + (COLS - view->cols);
1019 int hs = view->child->begin_y;
1021 if (!view_is_fullscreen(view))
1022 view->child->begin_x = view_split_begin_x(view->begin_x);
1023 if (view->mode == TOG_VIEW_SPLIT_HRZN ||
1024 view->child->begin_x == 0) {
1027 view_fullscreen(view->child);
1028 if (view->child->focussed)
1029 show_panel(view->child->panel);
1031 show_panel(view->panel);
1033 ncols = view->child->begin_x;
1035 view_splitscreen(view->child);
1036 show_panel(view->child->panel);
1039 * XXX This is ugly and needs to be moved into the above
1040 * logic but "works" for now and my attempts at moving it
1041 * break either 'tab' or 'F' key maps in horizontal splits.
1044 err = view_splitscreen(view->child);
1047 if (dif < 0) { /* top split decreased */
1048 err = offset_selection_down(view);
1055 show_panel(view->child->panel);
1056 nlines = view->nlines;
1058 } else if (view->parent == NULL)
1061 if (view->resize && dif > 0) {
1062 err = view->resize(view, dif);
1067 if (wresize(view->window, nlines, ncols) == ERR)
1068 return got_error_from_errno("wresize");
1069 if (replace_panel(view->panel, view->window) == ERR)
1070 return got_error_from_errno("replace_panel");
1071 wclear(view->window);
1073 view->nlines = nlines;
1074 view->ncols = ncols;
1075 view->lines = LINES;
1081 static const struct got_error *
1082 resize_log_view(struct tog_view *view, int increase)
1084 struct tog_log_view_state *s = &view->state.log;
1085 const struct got_error *err = NULL;
1088 if (s->selected_entry)
1089 n = s->selected_entry->idx + view->lines - s->selected;
1092 * Request commits to account for the increased
1093 * height so we have enough to populate the view.
1095 if (s->commits->ncommits < n) {
1096 view->nscrolled = n - s->commits->ncommits + increase + 1;
1097 err = request_log_commits(view);
1104 view_adjust_offset(struct tog_view *view, int n)
1109 if (view->parent && view->parent->offset) {
1110 if (view->parent->offset + n >= 0)
1111 view->parent->offset += n;
1113 view->parent->offset = 0;
1114 } else if (view->offset) {
1115 if (view->offset - n >= 0)
1122 static const struct got_error *
1123 view_resize_split(struct tog_view *view, int resize)
1125 const struct got_error *err = NULL;
1126 struct tog_view *v = NULL;
1133 if (!v->child || !view_is_splitscreen(v->child))
1136 v->resized = v->child->resized = resize; /* lock for resize event */
1138 if (view->mode == TOG_VIEW_SPLIT_HRZN) {
1139 if (v->child->resized_y)
1140 v->child->begin_y = v->child->resized_y;
1142 v->child->begin_y -= resize;
1144 v->child->begin_y += resize;
1145 if (v->child->begin_y < 3) {
1147 v->child->begin_y = 3;
1148 } else if (v->child->begin_y > LINES - 1) {
1150 v->child->begin_y = LINES - 1;
1153 v->child->ncols = COLS;
1154 view_adjust_offset(view, resize);
1155 err = view_init_hsplit(v, v->child->begin_y);
1158 v->child->resized_y = v->child->begin_y;
1160 if (v->child->resized_x)
1161 v->child->begin_x = v->child->resized_x;
1163 v->child->begin_x -= resize;
1165 v->child->begin_x += resize;
1166 if (v->child->begin_x < 11) {
1168 v->child->begin_x = 11;
1169 } else if (v->child->begin_x > COLS - 1) {
1171 v->child->begin_x = COLS - 1;
1173 v->child->resized_x = v->child->begin_x;
1176 v->child->mode = v->mode;
1177 v->child->nlines = v->lines - v->child->begin_y;
1178 v->child->ncols = v->cols - v->child->begin_x;
1181 err = view_fullscreen(v);
1184 err = view_splitscreen(v->child);
1188 if (v->mode == TOG_VIEW_SPLIT_HRZN) {
1189 err = offset_selection_down(v->child);
1195 err = v->resize(v, 0);
1196 else if (v->child->resize)
1197 err = v->child->resize(v->child, 0);
1199 v->resized = v->child->resized = 0;
1205 view_transfer_size(struct tog_view *dst, struct tog_view *src)
1207 struct tog_view *v = src->child ? src->child : src;
1209 dst->resized_x = v->resized_x;
1210 dst->resized_y = v->resized_y;
1213 static const struct got_error *
1214 view_close_child(struct tog_view *view)
1216 const struct got_error *err = NULL;
1218 if (view->child == NULL)
1221 err = view_close(view->child);
1226 static const struct got_error *
1227 view_set_child(struct tog_view *view, struct tog_view *child)
1229 const struct got_error *err = NULL;
1231 view->child = child;
1232 child->parent = view;
1234 err = view_resize(view);
1238 if (view->child->resized_x || view->child->resized_y)
1239 err = view_resize_split(view, 0);
1244 static const struct got_error *view_dispatch_request(struct tog_view **,
1245 struct tog_view *, enum tog_view_type, int, int);
1247 static const struct got_error *
1248 view_request_new(struct tog_view **requested, struct tog_view *view,
1249 enum tog_view_type request)
1251 struct tog_view *new_view = NULL;
1252 const struct got_error *err;
1257 if (view_is_parent_view(view) && request != TOG_VIEW_HELP)
1258 view_get_split(view, &y, &x);
1260 err = view_dispatch_request(&new_view, view, request, y, x);
1264 if (view_is_parent_view(view) && view->mode == TOG_VIEW_SPLIT_HRZN &&
1265 request != TOG_VIEW_HELP) {
1266 err = view_init_hsplit(view, y);
1272 new_view->focussed = 1;
1273 new_view->mode = view->mode;
1274 new_view->nlines = request == TOG_VIEW_HELP ?
1275 view->lines : view->lines - y;
1277 if (view_is_parent_view(view) && request != TOG_VIEW_HELP) {
1278 view_transfer_size(new_view, view);
1279 err = view_close_child(view);
1282 err = view_set_child(view, new_view);
1285 view->focus_child = 1;
1287 *requested = new_view;
1293 tog_resizeterm(void)
1296 struct winsize size;
1298 if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &size) < 0) {
1299 cols = 80; /* Default */
1303 lines = size.ws_row;
1305 resize_term(lines, cols);
1308 static const struct got_error *
1309 view_search_start(struct tog_view *view, int fast_refresh)
1311 const struct got_error *err = NULL;
1312 struct tog_view *v = view;
1316 if (view->search_started) {
1317 regfree(&view->regex);
1318 view->searching = 0;
1319 memset(&view->regmatch, 0, sizeof(view->regmatch));
1321 view->search_started = 0;
1323 if (view->nlines < 1)
1326 if (view_is_hsplit_top(view))
1328 else if (view->mode == TOG_VIEW_SPLIT_VERT && view->parent)
1331 mvwaddstr(v->window, v->nlines - 1, 0, "/");
1332 wclrtoeol(v->window);
1334 nodelay(v->window, FALSE); /* block for search term input */
1337 ret = wgetnstr(v->window, pattern, sizeof(pattern));
1338 wrefresh(v->window);
1341 nodelay(v->window, TRUE);
1342 if (!fast_refresh && !using_mock_io)
1347 if (regcomp(&view->regex, pattern, REG_EXTENDED | REG_NEWLINE) == 0) {
1348 err = view->search_start(view);
1350 regfree(&view->regex);
1353 view->search_started = 1;
1354 view->searching = TOG_SEARCH_FORWARD;
1355 view->search_next_done = 0;
1356 view->search_next(view);
1362 /* Switch split mode. If view is a parent or child, draw the new splitscreen. */
1363 static const struct got_error *
1364 switch_split(struct tog_view *view)
1366 const struct got_error *err = NULL;
1367 struct tog_view *v = NULL;
1374 if (v->mode == TOG_VIEW_SPLIT_HRZN)
1375 v->mode = TOG_VIEW_SPLIT_VERT;
1377 v->mode = TOG_VIEW_SPLIT_HRZN;
1381 else if (v->mode == TOG_VIEW_SPLIT_VERT && v->cols < 120)
1382 v->mode = TOG_VIEW_SPLIT_NONE;
1384 view_get_split(v, &v->child->begin_y, &v->child->begin_x);
1385 if (v->mode == TOG_VIEW_SPLIT_HRZN && v->child->resized_y)
1386 v->child->begin_y = v->child->resized_y;
1387 else if (v->mode == TOG_VIEW_SPLIT_VERT && v->child->resized_x)
1388 v->child->begin_x = v->child->resized_x;
1391 if (v->mode == TOG_VIEW_SPLIT_HRZN) {
1393 v->child->ncols = COLS;
1394 v->child->nscrolled = LINES - v->child->nlines;
1396 err = view_init_hsplit(v, v->child->begin_y);
1400 v->child->mode = v->mode;
1401 v->child->nlines = v->lines - v->child->begin_y;
1404 err = view_fullscreen(v);
1407 err = view_splitscreen(v->child);
1411 if (v->mode == TOG_VIEW_SPLIT_NONE)
1412 v->mode = TOG_VIEW_SPLIT_VERT;
1413 if (v->mode == TOG_VIEW_SPLIT_HRZN) {
1414 err = offset_selection_down(v);
1417 err = offset_selection_down(v->child);
1421 offset_selection_up(v);
1422 offset_selection_up(v->child);
1425 err = v->resize(v, 0);
1426 else if (v->child->resize)
1427 err = v->child->resize(v->child, 0);
1433 * Strip trailing whitespace from str starting at byte *n;
1434 * if *n < 0, use strlen(str). Return new str length in *n.
1437 strip_trailing_ws(char *str, int *n)
1441 if (str == NULL || *str == '\0')
1447 while (x-- > 0 && isspace((unsigned char)str[x]))
1454 * Extract visible substring of line y from the curses screen
1455 * and strip trailing whitespace. If vline is set, overwrite
1456 * line[vline] with '|' because the ACS_VLINE character is
1457 * written out as 'x'. Write the line to file f.
1459 static const struct got_error *
1460 view_write_line(FILE *f, int y, int vline)
1462 char line[COLS * MB_LEN_MAX]; /* allow for multibyte chars */
1465 r = mvwinnstr(curscr, y, 0, line, sizeof(line));
1467 return got_error_fmt(GOT_ERR_RANGE,
1468 "failed to extract line %d", y);
1471 * In some views, lines are padded with blanks to COLS width.
1472 * Strip them so we can diff without the -b flag when testing.
1474 strip_trailing_ws(line, &r);
1479 w = fprintf(f, "%s\n", line);
1480 if (w != r + 1) /* \n */
1481 return got_ferror(f, GOT_ERR_IO);
1487 * Capture the visible curses screen by writing each line to the
1488 * file at the path set via the TOG_SCR_DUMP environment variable.
1490 static const struct got_error *
1491 screendump(struct tog_view *view)
1493 const struct got_error *err;
1496 err = got_opentemp_truncate(tog_io.sdump);
1500 if ((view->child && view->child->begin_x) ||
1501 (view->parent && view->begin_x)) {
1502 int ncols = view->child ? view->ncols : view->parent->ncols;
1504 /* vertical splitscreen */
1505 for (i = 0; i < view->nlines; ++i) {
1506 err = view_write_line(tog_io.sdump, i, ncols - 1);
1513 /* fullscreen or horizontal splitscreen */
1514 if ((view->child && view->child->begin_y) ||
1515 (view->parent && view->begin_y)) /* hsplit */
1516 hline = view->child ?
1517 view->child->begin_y : view->begin_y;
1519 for (i = 0; i < view->lines; i++) {
1520 if (hline && i == hline - 1) {
1523 /* ACS_HLINE writes out as 'q', overwrite it */
1524 for (c = 0; c < view->cols; ++c)
1525 fputc('-', tog_io.sdump);
1526 fputc('\n', tog_io.sdump);
1530 err = view_write_line(tog_io.sdump, i, 0);
1541 * Compute view->count from numeric input. Assign total to view->count and
1542 * return first non-numeric key entered.
1545 get_compound_key(struct tog_view *view, int c)
1547 struct tog_view *v = view;
1550 if (view_is_hsplit_top(view))
1552 else if (view->mode == TOG_VIEW_SPLIT_VERT && view->parent)
1556 cbreak(); /* block for input */
1557 nodelay(view->window, FALSE);
1558 wmove(v->window, v->nlines - 1, 0);
1559 wclrtoeol(v->window);
1560 waddch(v->window, ':');
1563 x = getcurx(v->window);
1564 if (x != ERR && x < view->ncols) {
1565 waddch(v->window, c);
1566 wrefresh(v->window);
1570 * Don't overflow. Max valid request should be the greatest
1571 * between the longest and total lines; cap at 10 million.
1576 n = n * 10 + (c - '0');
1577 } while (((c = wgetch(view->window))) >= '0' && c <= '9' && c != ERR);
1579 if (c == 'G' || c == 'g') { /* nG key map */
1580 view->gline = view->hiline = n;
1585 /* Massage excessive or inapplicable values at the input handler. */
1592 action_report(struct tog_view *view)
1594 struct tog_view *v = view;
1596 if (view_is_hsplit_top(view))
1598 else if (view->mode == TOG_VIEW_SPLIT_VERT && view->parent)
1601 wmove(v->window, v->nlines - 1, 0);
1602 wclrtoeol(v->window);
1603 wprintw(v->window, ":%s", view->action);
1604 wrefresh(v->window);
1607 * Clear action status report. Only clear in blame view
1608 * once annotating is complete, otherwise it's too fast.
1610 if (view->type == TOG_VIEW_BLAME) {
1611 if (view->state.blame.blame_complete)
1612 view->action = NULL;
1614 view->action = NULL;
1618 * Read the next line from the test script and assign
1619 * key instruction to *ch. If at EOF, set the *done flag.
1621 static const struct got_error *
1622 tog_read_script_key(FILE *script, struct tog_view *view, int *ch, int *done)
1624 const struct got_error *err = NULL;
1628 if (view->count && --view->count) {
1634 if (getline(&line, &linesz, script) == -1) {
1639 err = got_ferror(script, GOT_ERR_IO);
1644 if (strncasecmp(line, "WAIT_FOR_UI", 11) == 0)
1645 tog_io.wait_for_ui = 1;
1646 else if (strncasecmp(line, "KEY_ENTER", 9) == 0)
1648 else if (strncasecmp(line, "KEY_RIGHT", 9) == 0)
1650 else if (strncasecmp(line, "KEY_LEFT", 8) == 0)
1652 else if (strncasecmp(line, "KEY_DOWN", 8) == 0)
1654 else if (strncasecmp(line, "KEY_UP", 6) == 0)
1656 else if (strncasecmp(line, "TAB", 3) == 0)
1658 else if (strncasecmp(line, "SCREENDUMP", 10) == 0)
1659 *ch = TOG_KEY_SCRDUMP;
1660 else if (isdigit((unsigned char)*line)) {
1663 while (isdigit((unsigned char)*t))
1665 view->ch = *ch = *t;
1667 /* ignore error, view->count is 0 if instruction is invalid */
1668 view->count = strtonum(line, 0, INT_MAX, NULL);
1677 static const struct got_error *
1678 view_input(struct tog_view **new, int *done, struct tog_view *view,
1679 struct tog_view_list_head *views, int fast_refresh)
1681 const struct got_error *err = NULL;
1688 action_report(view);
1690 /* Clear "no matches" indicator. */
1691 if (view->search_next_done == TOG_SEARCH_NO_MORE ||
1692 view->search_next_done == TOG_SEARCH_HAVE_NONE) {
1693 view->search_next_done = TOG_SEARCH_HAVE_MORE;
1697 if (view->searching && !view->search_next_done) {
1698 errcode = pthread_mutex_unlock(&tog_mutex);
1700 return got_error_set_errno(errcode,
1701 "pthread_mutex_unlock");
1703 errcode = pthread_mutex_lock(&tog_mutex);
1705 return got_error_set_errno(errcode,
1706 "pthread_mutex_lock");
1707 view->search_next(view);
1711 /* Allow threads to make progress while we are waiting for input. */
1712 errcode = pthread_mutex_unlock(&tog_mutex);
1714 return got_error_set_errno(errcode, "pthread_mutex_unlock");
1716 if (using_mock_io) {
1717 err = tog_read_script_key(tog_io.f, view, &ch, done);
1719 errcode = pthread_mutex_lock(&tog_mutex);
1722 } else if (view->count && --view->count) {
1724 nodelay(view->window, TRUE);
1725 ch = wgetch(view->window);
1726 /* let C-g or backspace abort unfinished count */
1727 if (ch == CTRL('g') || ch == KEY_BACKSPACE)
1732 ch = wgetch(view->window);
1733 if (ch >= '1' && ch <= '9')
1734 view->ch = ch = get_compound_key(view, ch);
1736 if (view->hiline && ch != ERR && ch != 0)
1737 view->hiline = 0; /* key pressed, clear line highlight */
1738 nodelay(view->window, TRUE);
1739 errcode = pthread_mutex_lock(&tog_mutex);
1741 return got_error_set_errno(errcode, "pthread_mutex_lock");
1743 if (tog_sigwinch_received || tog_sigcont_received) {
1745 tog_sigwinch_received = 0;
1746 tog_sigcont_received = 0;
1747 TAILQ_FOREACH(v, views, entry) {
1748 err = view_resize(v);
1751 err = v->input(new, v, KEY_RESIZE);
1755 err = view_resize(v->child);
1758 err = v->child->input(new, v->child,
1762 if (v->child->resized_x || v->child->resized_y) {
1763 err = view_resize_split(v, 0);
1775 if (view->type == TOG_VIEW_HELP)
1776 err = view->reset(view);
1778 err = view_request_new(new, view, TOG_VIEW_HELP);
1784 view->child->focussed = 1;
1785 view->focus_child = 1;
1786 } else if (view->parent) {
1788 view->parent->focussed = 1;
1789 view->parent->focus_child = 0;
1790 if (!view_is_splitscreen(view)) {
1791 if (view->parent->resize) {
1792 err = view->parent->resize(view->parent,
1797 offset_selection_up(view->parent);
1798 err = view_fullscreen(view->parent);
1805 if (view->parent && view->mode == TOG_VIEW_SPLIT_HRZN) {
1806 if (view->parent->resize) {
1807 /* might need more commits to fill fullscreen */
1808 err = view->parent->resize(view->parent, 0);
1812 offset_selection_up(view->parent);
1814 err = view->input(new, view, ch);
1822 if (view_is_parent_view(view)) {
1823 if (view->child == NULL)
1825 if (view_is_splitscreen(view->child)) {
1827 view->child->focussed = 1;
1828 err = view_fullscreen(view->child);
1830 err = view_splitscreen(view->child);
1832 err = view_resize_split(view, 0);
1836 err = view->child->input(new, view->child,
1839 if (view_is_splitscreen(view)) {
1840 view->parent->focussed = 0;
1842 err = view_fullscreen(view);
1844 err = view_splitscreen(view);
1845 if (!err && view->mode != TOG_VIEW_SPLIT_HRZN)
1846 err = view_resize(view->parent);
1848 err = view_resize_split(view, 0);
1852 err = view->input(new, view, KEY_RESIZE);
1857 err = view->resize(view, 0);
1862 if (view->parent->resize) {
1863 err = view->parent->resize(view->parent, 0);
1867 err = offset_selection_down(view->parent);
1871 err = offset_selection_down(view);
1875 err = switch_split(view);
1878 err = view_resize_split(view, -1);
1881 err = view_resize_split(view, 1);
1887 if (view->search_start)
1888 view_search_start(view, fast_refresh);
1890 err = view->input(new, view, ch);
1894 if (view->search_started && view->search_next) {
1895 view->searching = (ch == 'n' ?
1896 TOG_SEARCH_FORWARD : TOG_SEARCH_BACKWARD);
1897 view->search_next_done = 0;
1898 view->search_next(view);
1900 err = view->input(new, view, ch);
1903 if (tog_diff_algo == GOT_DIFF_ALGORITHM_MYERS) {
1904 tog_diff_algo = GOT_DIFF_ALGORITHM_PATIENCE;
1905 view->action = "Patience diff algorithm";
1907 tog_diff_algo = GOT_DIFF_ALGORITHM_MYERS;
1908 view->action = "Myers diff algorithm";
1910 TAILQ_FOREACH(v, views, entry) {
1916 if (v->child && v->child->reset) {
1917 err = v->child->reset(v->child);
1923 case TOG_KEY_SCRDUMP:
1924 err = screendump(view);
1927 err = view->input(new, view, ch);
1935 view_needs_focus_indication(struct tog_view *view)
1937 if (view_is_parent_view(view)) {
1938 if (view->child == NULL || view->child->focussed)
1940 if (!view_is_splitscreen(view->child))
1942 } else if (!view_is_splitscreen(view))
1945 return view->focussed;
1948 static const struct got_error *
1951 const struct got_error *err = NULL;
1953 if (tog_io.cin && fclose(tog_io.cin) == EOF)
1954 err = got_ferror(tog_io.cin, GOT_ERR_IO);
1955 if (tog_io.cout && fclose(tog_io.cout) == EOF && err == NULL)
1956 err = got_ferror(tog_io.cout, GOT_ERR_IO);
1957 if (tog_io.f && fclose(tog_io.f) == EOF && err == NULL)
1958 err = got_ferror(tog_io.f, GOT_ERR_IO);
1959 if (tog_io.sdump && fclose(tog_io.sdump) == EOF && err == NULL)
1960 err = got_ferror(tog_io.sdump, GOT_ERR_IO);
1965 static const struct got_error *
1966 view_loop(struct tog_view *view)
1968 const struct got_error *err = NULL;
1969 struct tog_view_list_head views;
1970 struct tog_view *new_view;
1972 int fast_refresh = 10;
1973 int done = 0, errcode;
1975 mode = getenv("TOG_VIEW_SPLIT_MODE");
1976 if (!mode || !(*mode == 'h' || *mode == 'H'))
1977 view->mode = TOG_VIEW_SPLIT_VERT;
1979 view->mode = TOG_VIEW_SPLIT_HRZN;
1981 errcode = pthread_mutex_lock(&tog_mutex);
1983 return got_error_set_errno(errcode, "pthread_mutex_lock");
1986 TAILQ_INSERT_HEAD(&views, view, entry);
1989 err = view->show(view);
1994 while (!TAILQ_EMPTY(&views) && !done && !tog_thread_error &&
1995 !tog_fatal_signal_received()) {
1996 /* Refresh fast during initialization, then become slower. */
1997 if (fast_refresh && --fast_refresh == 0 && !using_mock_io)
1998 halfdelay(10); /* switch to once per second */
2000 err = view_input(&new_view, &done, view, &views, fast_refresh);
2004 if (view->dying && view == TAILQ_FIRST(&views) &&
2005 TAILQ_NEXT(view, entry) == NULL)
2011 * When we quit, scroll the screen up a single line
2012 * so we don't lose any information.
2014 TAILQ_FOREACH(v, &views, entry) {
2015 wmove(v->window, 0, 0);
2016 wdeleteln(v->window);
2017 wnoutrefresh(v->window);
2018 if (v->child && !view_is_fullscreen(v)) {
2019 wmove(v->child->window, 0, 0);
2020 wdeleteln(v->child->window);
2021 wnoutrefresh(v->child->window);
2028 struct tog_view *v, *prev = NULL;
2030 if (view_is_parent_view(view))
2031 prev = TAILQ_PREV(view, tog_view_list_head,
2033 else if (view->parent)
2034 prev = view->parent;
2037 view->parent->child = NULL;
2038 view->parent->focus_child = 0;
2039 /* Restore fullscreen line height. */
2040 view->parent->nlines = view->parent->lines;
2041 err = view_resize(view->parent);
2044 /* Make resized splits persist. */
2045 view_transfer_size(view->parent, view);
2047 TAILQ_REMOVE(&views, view, entry);
2049 err = view_close(view);
2054 TAILQ_FOREACH(v, &views, entry) {
2058 if (view == NULL && new_view == NULL) {
2059 /* No view has focus. Try to pick one. */
2062 else if (!TAILQ_EMPTY(&views)) {
2063 view = TAILQ_LAST(&views,
2064 tog_view_list_head);
2067 if (view->focus_child) {
2068 view->child->focussed = 1;
2076 struct tog_view *v, *t;
2077 /* Only allow one parent view per type. */
2078 TAILQ_FOREACH_SAFE(v, &views, entry, t) {
2079 if (v->type != new_view->type)
2081 TAILQ_REMOVE(&views, v, entry);
2082 err = view_close(v);
2087 TAILQ_INSERT_TAIL(&views, new_view, entry);
2090 if (view && !done) {
2091 if (view_is_parent_view(view)) {
2092 if (view->child && view->child->focussed)
2095 if (view->parent && view->parent->focussed)
2096 view = view->parent;
2098 show_panel(view->panel);
2099 if (view->child && view_is_splitscreen(view->child))
2100 show_panel(view->child->panel);
2101 if (view->parent && view_is_splitscreen(view)) {
2102 err = view->parent->show(view->parent);
2106 err = view->show(view);
2110 err = view->child->show(view->child);
2119 while (!TAILQ_EMPTY(&views)) {
2120 const struct got_error *close_err;
2121 view = TAILQ_FIRST(&views);
2122 TAILQ_REMOVE(&views, view, entry);
2123 close_err = view_close(view);
2124 if (close_err && err == NULL)
2128 errcode = pthread_mutex_unlock(&tog_mutex);
2129 if (errcode && err == NULL)
2130 err = got_error_set_errno(errcode, "pthread_mutex_unlock");
2140 "usage: %s log [-b] [-c commit] [-r repository-path] [path]\n",
2145 /* Create newly allocated wide-character string equivalent to a byte string. */
2146 static const struct got_error *
2147 mbs2ws(wchar_t **ws, size_t *wlen, const char *s)
2150 const struct got_error *err = NULL;
2153 *wlen = mbstowcs(NULL, s, 0);
2154 if (*wlen == (size_t)-1) {
2156 if (errno != EILSEQ)
2157 return got_error_from_errno("mbstowcs");
2159 /* byte string invalid in current encoding; try to "fix" it */
2160 err = got_mbsavis(&vis, &vislen, s);
2163 *wlen = mbstowcs(NULL, vis, 0);
2164 if (*wlen == (size_t)-1) {
2165 err = got_error_from_errno("mbstowcs"); /* give up */
2170 *ws = calloc(*wlen + 1, sizeof(**ws));
2172 err = got_error_from_errno("calloc");
2176 if (mbstowcs(*ws, vis ? vis : s, *wlen) != *wlen)
2177 err = got_error_from_errno("mbstowcs");
2188 static const struct got_error *
2189 expand_tab(char **ptr, const char *src)
2192 size_t len, n, idx = 0, sz = 0;
2195 n = len = strlen(src);
2196 dst = malloc(n + 1);
2198 return got_error_from_errno("malloc");
2200 while (idx < len && src[idx]) {
2201 const char c = src[idx];
2204 size_t nb = TABSIZE - sz % TABSIZE;
2207 p = realloc(dst, n + nb);
2210 return got_error_from_errno("realloc");
2215 memset(dst + sz, ' ', nb);
2218 dst[sz++] = src[idx];
2228 * Advance at most n columns from wline starting at offset off.
2229 * Return the index to the first character after the span operation.
2230 * Return the combined column width of all spanned wide character in
2234 span_wline(int *rcol, int off, wchar_t *wline, int n, int col_tab_align)
2236 int width, i, cols = 0;
2243 for (i = off; wline[i] != L'\0'; ++i) {
2244 if (wline[i] == L'\t')
2245 width = TABSIZE - ((cols + col_tab_align) % TABSIZE);
2247 width = wcwidth(wline[i]);
2254 if (cols + width > n)
2264 * Format a line for display, ensuring that it won't overflow a width limit.
2265 * With scrolling, the width returned refers to the scrolled version of the
2266 * line, which starts at (*wlinep)[*scrollxp]. The caller must free *wlinep.
2268 static const struct got_error *
2269 format_line(wchar_t **wlinep, int *widthp, int *scrollxp,
2270 const char *line, int nscroll, int wlimit, int col_tab_align, int expand)
2272 const struct got_error *err = NULL;
2274 wchar_t *wline = NULL;
2283 err = expand_tab(&exstr, line);
2288 err = mbs2ws(&wline, &wlen, expand ? exstr : line);
2293 scrollx = span_wline(&cols, 0, wline, nscroll, col_tab_align);
2295 if (wlen > 0 && wline[wlen - 1] == L'\n') {
2296 wline[wlen - 1] = L'\0';
2299 if (wlen > 0 && wline[wlen - 1] == L'\r') {
2300 wline[wlen - 1] = L'\0';
2304 i = span_wline(&cols, scrollx, wline, wlimit, col_tab_align);
2310 *scrollxp = scrollx;
2318 static const struct got_error*
2319 build_refs_str(char **refs_str, struct got_reflist_head *refs,
2320 struct got_object_id *id, struct got_repository *repo)
2322 static const struct got_error *err = NULL;
2323 struct got_reflist_entry *re;
2329 TAILQ_FOREACH(re, refs, entry) {
2330 struct got_tag_object *tag = NULL;
2331 struct got_object_id *ref_id;
2334 name = got_ref_get_name(re->ref);
2335 if (strcmp(name, GOT_REF_HEAD) == 0)
2337 if (strncmp(name, "refs/", 5) == 0)
2339 if (strncmp(name, "got/", 4) == 0 &&
2340 strncmp(name, "got/backup/", 11) != 0)
2342 if (strncmp(name, "heads/", 6) == 0)
2344 if (strncmp(name, "remotes/", 8) == 0) {
2346 s = strstr(name, "/" GOT_REF_HEAD);
2347 if (s != NULL && s[strlen(s)] == '\0')
2350 err = got_ref_resolve(&ref_id, repo, re->ref);
2353 if (strncmp(name, "tags/", 5) == 0) {
2354 err = got_object_open_as_tag(&tag, repo, ref_id);
2356 if (err->code != GOT_ERR_OBJ_TYPE) {
2360 /* Ref points at something other than a tag. */
2365 cmp = got_object_id_cmp(tag ?
2366 got_object_tag_get_object_id(tag) : ref_id, id);
2369 got_object_tag_close(tag);
2373 if (asprintf(refs_str, "%s%s%s", s ? s : "",
2374 s ? ", " : "", name) == -1) {
2375 err = got_error_from_errno("asprintf");
2386 static const struct got_error *
2387 format_author(wchar_t **wauthor, int *author_width, char *author, int limit,
2392 smallerthan = strchr(author, '<');
2393 if (smallerthan && smallerthan[1] != '\0')
2394 author = smallerthan + 1;
2395 author[strcspn(author, "@>")] = '\0';
2396 return format_line(wauthor, author_width, NULL, author, 0, limit,
2400 static const struct got_error *
2401 draw_commit(struct tog_view *view, struct got_commit_object *commit,
2402 struct got_object_id *id, const size_t date_display_cols,
2403 int author_display_cols)
2405 struct tog_log_view_state *s = &view->state.log;
2406 const struct got_error *err = NULL;
2407 char datebuf[12]; /* YYYY-MM-DD + SPACE + NUL */
2408 char *logmsg0 = NULL, *logmsg = NULL;
2409 char *author = NULL;
2410 wchar_t *wlogmsg = NULL, *wauthor = NULL;
2411 int author_width, logmsg_width;
2412 char *newline, *line = NULL;
2413 int col, limit, scrollx;
2414 const int avail = view->ncols;
2416 time_t committer_time;
2417 struct tog_color *tc;
2419 committer_time = got_object_commit_get_committer_time(commit);
2420 if (gmtime_r(&committer_time, &tm) == NULL)
2421 return got_error_from_errno("gmtime_r");
2422 if (strftime(datebuf, sizeof(datebuf), "%G-%m-%d ", &tm) == 0)
2423 return got_error(GOT_ERR_NO_SPACE);
2425 if (avail <= date_display_cols)
2426 limit = MIN(sizeof(datebuf) - 1, avail);
2428 limit = MIN(date_display_cols, sizeof(datebuf) - 1);
2429 tc = get_color(&s->colors, TOG_COLOR_DATE);
2431 wattr_on(view->window,
2432 COLOR_PAIR(tc->colorpair), NULL);
2433 waddnstr(view->window, datebuf, limit);
2435 wattr_off(view->window,
2436 COLOR_PAIR(tc->colorpair), NULL);
2443 err = got_object_id_str(&id_str, id);
2446 tc = get_color(&s->colors, TOG_COLOR_COMMIT);
2448 wattr_on(view->window,
2449 COLOR_PAIR(tc->colorpair), NULL);
2450 wprintw(view->window, "%.8s ", id_str);
2452 wattr_off(view->window,
2453 COLOR_PAIR(tc->colorpair), NULL);
2460 if (s->use_committer)
2461 author = strdup(got_object_commit_get_committer(commit));
2463 author = strdup(got_object_commit_get_author(commit));
2464 if (author == NULL) {
2465 err = got_error_from_errno("strdup");
2468 err = format_author(&wauthor, &author_width, author, avail - col, col);
2471 tc = get_color(&s->colors, TOG_COLOR_AUTHOR);
2473 wattr_on(view->window,
2474 COLOR_PAIR(tc->colorpair), NULL);
2475 waddwstr(view->window, wauthor);
2476 col += author_width;
2477 while (col < avail && author_width < author_display_cols + 2) {
2478 waddch(view->window, ' ');
2483 wattr_off(view->window,
2484 COLOR_PAIR(tc->colorpair), NULL);
2488 err = got_object_commit_get_logmsg(&logmsg0, commit);
2492 while (*logmsg == '\n')
2494 newline = strchr(logmsg, '\n');
2497 limit = avail - col;
2498 if (view->child && !view_is_hsplit_top(view) && limit > 0)
2499 limit--; /* for the border */
2500 err = format_line(&wlogmsg, &logmsg_width, &scrollx, logmsg, view->x,
2504 waddwstr(view->window, &wlogmsg[scrollx]);
2505 col += MAX(logmsg_width, 0);
2506 while (col < avail) {
2507 waddch(view->window, ' ');
2519 static struct commit_queue_entry *
2520 alloc_commit_queue_entry(struct got_commit_object *commit,
2521 struct got_object_id *id)
2523 struct commit_queue_entry *entry;
2524 struct got_object_id *dup;
2526 entry = calloc(1, sizeof(*entry));
2530 dup = got_object_id_dup(id);
2537 entry->commit = commit;
2542 pop_commit(struct commit_queue *commits)
2544 struct commit_queue_entry *entry;
2546 entry = TAILQ_FIRST(&commits->head);
2547 TAILQ_REMOVE(&commits->head, entry, entry);
2548 got_object_commit_close(entry->commit);
2549 commits->ncommits--;
2555 free_commits(struct commit_queue *commits)
2557 while (!TAILQ_EMPTY(&commits->head))
2558 pop_commit(commits);
2561 static const struct got_error *
2562 match_commit(int *have_match, struct got_object_id *id,
2563 struct got_commit_object *commit, regex_t *regex)
2565 const struct got_error *err = NULL;
2566 regmatch_t regmatch;
2567 char *id_str = NULL, *logmsg = NULL;
2571 err = got_object_id_str(&id_str, id);
2575 err = got_object_commit_get_logmsg(&logmsg, commit);
2579 if (regexec(regex, got_object_commit_get_author(commit), 1,
2580 ®match, 0) == 0 ||
2581 regexec(regex, got_object_commit_get_committer(commit), 1,
2582 ®match, 0) == 0 ||
2583 regexec(regex, id_str, 1, ®match, 0) == 0 ||
2584 regexec(regex, logmsg, 1, ®match, 0) == 0)
2592 static const struct got_error *
2593 queue_commits(struct tog_log_thread_args *a)
2595 const struct got_error *err = NULL;
2598 * We keep all commits open throughout the lifetime of the log
2599 * view in order to avoid having to re-fetch commits from disk
2600 * while updating the display.
2603 struct got_object_id id;
2604 struct got_commit_object *commit;
2605 struct commit_queue_entry *entry;
2606 int limit_match = 0;
2609 err = got_commit_graph_iter_next(&id, a->graph, a->repo,
2614 err = got_object_open_as_commit(&commit, a->repo, &id);
2617 entry = alloc_commit_queue_entry(commit, &id);
2618 if (entry == NULL) {
2619 err = got_error_from_errno("alloc_commit_queue_entry");
2623 errcode = pthread_mutex_lock(&tog_mutex);
2625 err = got_error_set_errno(errcode,
2626 "pthread_mutex_lock");
2630 entry->idx = a->real_commits->ncommits;
2631 TAILQ_INSERT_TAIL(&a->real_commits->head, entry, entry);
2632 a->real_commits->ncommits++;
2635 err = match_commit(&limit_match, &id, commit,
2641 struct commit_queue_entry *matched;
2643 matched = alloc_commit_queue_entry(
2644 entry->commit, entry->id);
2645 if (matched == NULL) {
2646 err = got_error_from_errno(
2647 "alloc_commit_queue_entry");
2650 matched->commit = entry->commit;
2651 got_object_commit_retain(entry->commit);
2653 matched->idx = a->limit_commits->ncommits;
2654 TAILQ_INSERT_TAIL(&a->limit_commits->head,
2656 a->limit_commits->ncommits++;
2660 * This is how we signal log_thread() that we
2661 * have found a match, and that it should be
2662 * counted as a new entry for the view.
2664 a->limit_match = limit_match;
2667 if (*a->searching == TOG_SEARCH_FORWARD &&
2668 !*a->search_next_done) {
2670 err = match_commit(&have_match, &id, commit, a->regex);
2675 if (limit_match && have_match)
2676 *a->search_next_done =
2677 TOG_SEARCH_HAVE_MORE;
2678 } else if (have_match)
2679 *a->search_next_done = TOG_SEARCH_HAVE_MORE;
2682 errcode = pthread_mutex_unlock(&tog_mutex);
2683 if (errcode && err == NULL)
2684 err = got_error_set_errno(errcode,
2685 "pthread_mutex_unlock");
2688 } while (*a->searching == TOG_SEARCH_FORWARD && !*a->search_next_done);
2694 select_commit(struct tog_log_view_state *s)
2696 struct commit_queue_entry *entry;
2699 entry = s->first_displayed_entry;
2701 if (ncommits == s->selected) {
2702 s->selected_entry = entry;
2705 entry = TAILQ_NEXT(entry, entry);
2710 static const struct got_error *
2711 draw_commits(struct tog_view *view)
2713 const struct got_error *err = NULL;
2714 struct tog_log_view_state *s = &view->state.log;
2715 struct commit_queue_entry *entry = s->selected_entry;
2716 int limit = view->nlines;
2718 int ncommits, author_cols = 4;
2719 char *id_str = NULL, *header = NULL, *ncommits_str = NULL;
2720 char *refs_str = NULL;
2722 struct tog_color *tc;
2723 static const size_t date_display_cols = 12;
2725 if (view_is_hsplit_top(view))
2726 --limit; /* account for border */
2728 if (s->selected_entry &&
2729 !(view->searching && view->search_next_done == 0)) {
2730 struct got_reflist_head *refs;
2731 err = got_object_id_str(&id_str, s->selected_entry->id);
2734 refs = got_reflist_object_id_map_lookup(tog_refs_idmap,
2735 s->selected_entry->id);
2737 err = build_refs_str(&refs_str, refs,
2738 s->selected_entry->id, s->repo);
2744 if (s->thread_args.commits_needed == 0 && !using_mock_io)
2745 halfdelay(10); /* disable fast refresh */
2747 if (s->thread_args.commits_needed > 0 || s->thread_args.load_all) {
2748 if (asprintf(&ncommits_str, " [%d/%d] %s",
2749 entry ? entry->idx + 1 : 0, s->commits->ncommits,
2750 (view->searching && !view->search_next_done) ?
2751 "searching..." : "loading...") == -1) {
2752 err = got_error_from_errno("asprintf");
2756 const char *search_str = NULL;
2757 const char *limit_str = NULL;
2759 if (view->searching) {
2760 if (view->search_next_done == TOG_SEARCH_NO_MORE)
2761 search_str = "no more matches";
2762 else if (view->search_next_done == TOG_SEARCH_HAVE_NONE)
2763 search_str = "no matches found";
2764 else if (!view->search_next_done)
2765 search_str = "searching...";
2768 if (s->limit_view && s->commits->ncommits == 0)
2769 limit_str = "no matches found";
2771 if (asprintf(&ncommits_str, " [%d/%d] %s %s",
2772 entry ? entry->idx + 1 : 0, s->commits->ncommits,
2773 search_str ? search_str : (refs_str ? refs_str : ""),
2774 limit_str ? limit_str : "") == -1) {
2775 err = got_error_from_errno("asprintf");
2780 if (s->in_repo_path && strcmp(s->in_repo_path, "/") != 0) {
2781 if (asprintf(&header, "commit %s %s%s", id_str ? id_str :
2782 "........................................",
2783 s->in_repo_path, ncommits_str) == -1) {
2784 err = got_error_from_errno("asprintf");
2788 } else if (asprintf(&header, "commit %s%s",
2789 id_str ? id_str : "........................................",
2790 ncommits_str) == -1) {
2791 err = got_error_from_errno("asprintf");
2795 err = format_line(&wline, &width, NULL, header, 0, view->ncols, 0, 0);
2799 werase(view->window);
2801 if (view_needs_focus_indication(view))
2802 wstandout(view->window);
2803 tc = get_color(&s->colors, TOG_COLOR_COMMIT);
2805 wattr_on(view->window, COLOR_PAIR(tc->colorpair), NULL);
2806 waddwstr(view->window, wline);
2807 while (width < view->ncols) {
2808 waddch(view->window, ' ');
2812 wattr_off(view->window, COLOR_PAIR(tc->colorpair), NULL);
2813 if (view_needs_focus_indication(view))
2814 wstandend(view->window);
2819 /* Grow author column size if necessary, and set view->maxx. */
2820 entry = s->first_displayed_entry;
2824 struct got_commit_object *c = entry->commit;
2825 char *author, *eol, *msg, *msg0;
2826 wchar_t *wauthor, *wmsg;
2828 if (ncommits >= limit - 1)
2830 if (s->use_committer)
2831 author = strdup(got_object_commit_get_committer(c));
2833 author = strdup(got_object_commit_get_author(c));
2834 if (author == NULL) {
2835 err = got_error_from_errno("strdup");
2838 err = format_author(&wauthor, &width, author, COLS,
2840 if (author_cols < width)
2841 author_cols = width;
2846 err = got_object_commit_get_logmsg(&msg0, c);
2850 while (*msg == '\n')
2852 if ((eol = strchr(msg, '\n')))
2854 err = format_line(&wmsg, &width, NULL, msg, 0, INT_MAX,
2855 date_display_cols + author_cols, 0);
2858 view->maxx = MAX(view->maxx, width);
2862 entry = TAILQ_NEXT(entry, entry);
2865 entry = s->first_displayed_entry;
2866 s->last_displayed_entry = s->first_displayed_entry;
2869 if (ncommits >= limit - 1)
2871 if (ncommits == s->selected)
2872 wstandout(view->window);
2873 err = draw_commit(view, entry->commit, entry->id,
2874 date_display_cols, author_cols);
2875 if (ncommits == s->selected)
2876 wstandend(view->window);
2880 s->last_displayed_entry = entry;
2881 entry = TAILQ_NEXT(entry, entry);
2894 log_scroll_up(struct tog_log_view_state *s, int maxscroll)
2896 struct commit_queue_entry *entry;
2899 entry = TAILQ_FIRST(&s->commits->head);
2900 if (s->first_displayed_entry == entry)
2903 entry = s->first_displayed_entry;
2904 while (entry && nscrolled < maxscroll) {
2905 entry = TAILQ_PREV(entry, commit_queue_head, entry);
2907 s->first_displayed_entry = entry;
2913 static const struct got_error *
2914 trigger_log_thread(struct tog_view *view, int wait)
2916 struct tog_log_thread_args *ta = &view->state.log.thread_args;
2920 halfdelay(1); /* fast refresh while loading commits */
2922 while (!ta->log_complete && !tog_thread_error &&
2923 (ta->commits_needed > 0 || ta->load_all)) {
2924 /* Wake the log thread. */
2925 errcode = pthread_cond_signal(&ta->need_commits);
2927 return got_error_set_errno(errcode,
2928 "pthread_cond_signal");
2931 * The mutex will be released while the view loop waits
2932 * in wgetch(), at which time the log thread will run.
2937 /* Display progress update in log view. */
2938 show_log_view(view);
2942 /* Wait right here while next commit is being loaded. */
2943 errcode = pthread_cond_wait(&ta->commit_loaded, &tog_mutex);
2945 return got_error_set_errno(errcode,
2946 "pthread_cond_wait");
2948 /* Display progress update in log view. */
2949 show_log_view(view);
2957 static const struct got_error *
2958 request_log_commits(struct tog_view *view)
2960 struct tog_log_view_state *state = &view->state.log;
2961 const struct got_error *err = NULL;
2963 if (state->thread_args.log_complete)
2966 state->thread_args.commits_needed += view->nscrolled;
2967 err = trigger_log_thread(view, 1);
2968 view->nscrolled = 0;
2973 static const struct got_error *
2974 log_scroll_down(struct tog_view *view, int maxscroll)
2976 struct tog_log_view_state *s = &view->state.log;
2977 const struct got_error *err = NULL;
2978 struct commit_queue_entry *pentry;
2979 int nscrolled = 0, ncommits_needed;
2981 if (s->last_displayed_entry == NULL)
2984 ncommits_needed = s->last_displayed_entry->idx + 1 + maxscroll;
2985 if (s->commits->ncommits < ncommits_needed &&
2986 !s->thread_args.log_complete) {
2988 * Ask the log thread for required amount of commits.
2990 s->thread_args.commits_needed +=
2991 ncommits_needed - s->commits->ncommits;
2992 err = trigger_log_thread(view, 1);
2998 pentry = TAILQ_NEXT(s->last_displayed_entry, entry);
2999 if (pentry == NULL && view->mode != TOG_VIEW_SPLIT_HRZN)
3002 s->last_displayed_entry = pentry ?
3003 pentry : s->last_displayed_entry;
3005 pentry = TAILQ_NEXT(s->first_displayed_entry, entry);
3008 s->first_displayed_entry = pentry;
3009 } while (++nscrolled < maxscroll);
3011 if (view->mode == TOG_VIEW_SPLIT_HRZN && !s->thread_args.log_complete)
3012 view->nscrolled += nscrolled;
3014 view->nscrolled = 0;
3019 static const struct got_error *
3020 open_diff_view_for_commit(struct tog_view **new_view, int begin_y, int begin_x,
3021 struct got_commit_object *commit, struct got_object_id *commit_id,
3022 struct tog_view *log_view, struct got_repository *repo)
3024 const struct got_error *err;
3025 struct got_object_qid *parent_id;
3026 struct tog_view *diff_view;
3028 diff_view = view_open(0, 0, begin_y, begin_x, TOG_VIEW_DIFF);
3029 if (diff_view == NULL)
3030 return got_error_from_errno("view_open");
3032 parent_id = STAILQ_FIRST(got_object_commit_get_parent_ids(commit));
3033 err = open_diff_view(diff_view, parent_id ? &parent_id->id : NULL,
3034 commit_id, NULL, NULL, 3, 0, 0, log_view, repo);
3036 *new_view = diff_view;
3040 static const struct got_error *
3041 tree_view_visit_subtree(struct tog_tree_view_state *s,
3042 struct got_tree_object *subtree)
3044 struct tog_parent_tree *parent;
3046 parent = calloc(1, sizeof(*parent));
3048 return got_error_from_errno("calloc");
3050 parent->tree = s->tree;
3051 parent->first_displayed_entry = s->first_displayed_entry;
3052 parent->selected_entry = s->selected_entry;
3053 parent->selected = s->selected;
3054 TAILQ_INSERT_HEAD(&s->parents, parent, entry);
3057 s->first_displayed_entry = NULL;
3061 static const struct got_error *
3062 tree_view_walk_path(struct tog_tree_view_state *s,
3063 struct got_commit_object *commit, const char *path)
3065 const struct got_error *err = NULL;
3066 struct got_tree_object *tree = NULL;
3068 char *slash, *subpath = NULL;
3070 /* Walk the path and open corresponding tree objects. */
3073 struct got_tree_entry *te;
3074 struct got_object_id *tree_id;
3080 /* Ensure the correct subtree entry is selected. */
3081 slash = strchr(p, '/');
3083 te_name = strdup(p);
3085 te_name = strndup(p, slash - p);
3086 if (te_name == NULL) {
3087 err = got_error_from_errno("strndup");
3090 te = got_object_tree_find_entry(s->tree, te_name);
3092 err = got_error_path(te_name, GOT_ERR_NO_TREE_ENTRY);
3097 s->first_displayed_entry = s->selected_entry = te;
3099 if (!S_ISDIR(got_tree_entry_get_mode(s->selected_entry)))
3100 break; /* jump to this file's entry */
3102 slash = strchr(p, '/');
3104 subpath = strndup(path, slash - path);
3106 subpath = strdup(path);
3107 if (subpath == NULL) {
3108 err = got_error_from_errno("strdup");
3112 err = got_object_id_by_path(&tree_id, s->repo, commit,
3117 err = got_object_open_as_tree(&tree, s->repo, tree_id);
3122 err = tree_view_visit_subtree(s, tree);
3124 got_object_tree_close(tree);
3138 static const struct got_error *
3139 browse_commit_tree(struct tog_view **new_view, int begin_y, int begin_x,
3140 struct commit_queue_entry *entry, const char *path,
3141 const char *head_ref_name, struct got_repository *repo)
3143 const struct got_error *err = NULL;
3144 struct tog_tree_view_state *s;
3145 struct tog_view *tree_view;
3147 tree_view = view_open(0, 0, begin_y, begin_x, TOG_VIEW_TREE);
3148 if (tree_view == NULL)
3149 return got_error_from_errno("view_open");
3151 err = open_tree_view(tree_view, entry->id, head_ref_name, repo);
3154 s = &tree_view->state.tree;
3156 *new_view = tree_view;
3158 if (got_path_is_root_dir(path))
3161 return tree_view_walk_path(s, entry->commit, path);
3164 static const struct got_error *
3165 block_signals_used_by_main_thread(void)
3170 if (sigemptyset(&sigset) == -1)
3171 return got_error_from_errno("sigemptyset");
3173 /* tog handles SIGWINCH, SIGCONT, SIGINT, SIGTERM */
3174 if (sigaddset(&sigset, SIGWINCH) == -1)
3175 return got_error_from_errno("sigaddset");
3176 if (sigaddset(&sigset, SIGCONT) == -1)
3177 return got_error_from_errno("sigaddset");
3178 if (sigaddset(&sigset, SIGINT) == -1)
3179 return got_error_from_errno("sigaddset");
3180 if (sigaddset(&sigset, SIGTERM) == -1)
3181 return got_error_from_errno("sigaddset");
3183 /* ncurses handles SIGTSTP */
3184 if (sigaddset(&sigset, SIGTSTP) == -1)
3185 return got_error_from_errno("sigaddset");
3187 errcode = pthread_sigmask(SIG_BLOCK, &sigset, NULL);
3189 return got_error_set_errno(errcode, "pthread_sigmask");
3195 log_thread(void *arg)
3197 const struct got_error *err = NULL;
3199 struct tog_log_thread_args *a = arg;
3203 * Sync startup with main thread such that we begin our
3204 * work once view_input() has released the mutex.
3206 errcode = pthread_mutex_lock(&tog_mutex);
3208 err = got_error_set_errno(errcode, "pthread_mutex_lock");
3212 err = block_signals_used_by_main_thread();
3214 pthread_mutex_unlock(&tog_mutex);
3218 while (!done && !err && !tog_fatal_signal_received()) {
3219 errcode = pthread_mutex_unlock(&tog_mutex);
3221 err = got_error_set_errno(errcode,
3222 "pthread_mutex_unlock");
3225 err = queue_commits(a);
3227 if (err->code != GOT_ERR_ITER_COMPLETED)
3231 } else if (a->commits_needed > 0 && !a->load_all) {
3234 a->commits_needed--;
3236 a->commits_needed--;
3239 errcode = pthread_mutex_lock(&tog_mutex);
3241 err = got_error_set_errno(errcode,
3242 "pthread_mutex_lock");
3244 } else if (*a->quit)
3246 else if (*a->limiting && *a->first_displayed_entry == NULL) {
3247 *a->first_displayed_entry =
3248 TAILQ_FIRST(&a->limit_commits->head);
3249 *a->selected_entry = *a->first_displayed_entry;
3250 } else if (*a->first_displayed_entry == NULL) {
3251 *a->first_displayed_entry =
3252 TAILQ_FIRST(&a->real_commits->head);
3253 *a->selected_entry = *a->first_displayed_entry;
3256 errcode = pthread_cond_signal(&a->commit_loaded);
3258 err = got_error_set_errno(errcode,
3259 "pthread_cond_signal");
3260 pthread_mutex_unlock(&tog_mutex);
3265 a->commits_needed = 0;
3267 if (a->commits_needed == 0 && !a->load_all) {
3268 errcode = pthread_cond_wait(&a->need_commits,
3271 err = got_error_set_errno(errcode,
3272 "pthread_cond_wait");
3273 pthread_mutex_unlock(&tog_mutex);
3281 a->log_complete = 1;
3282 errcode = pthread_mutex_unlock(&tog_mutex);
3284 err = got_error_set_errno(errcode, "pthread_mutex_unlock");
3287 tog_thread_error = 1;
3288 pthread_cond_signal(&a->commit_loaded);
3293 static const struct got_error *
3294 stop_log_thread(struct tog_log_view_state *s)
3296 const struct got_error *err = NULL, *thread_err = NULL;
3301 errcode = pthread_cond_signal(&s->thread_args.need_commits);
3303 return got_error_set_errno(errcode,
3304 "pthread_cond_signal");
3305 errcode = pthread_mutex_unlock(&tog_mutex);
3307 return got_error_set_errno(errcode,
3308 "pthread_mutex_unlock");
3309 errcode = pthread_join(s->thread, (void **)&thread_err);
3311 return got_error_set_errno(errcode, "pthread_join");
3312 errcode = pthread_mutex_lock(&tog_mutex);
3314 return got_error_set_errno(errcode,
3315 "pthread_mutex_lock");
3316 s->thread = 0; //NULL;
3319 if (s->thread_args.repo) {
3320 err = got_repo_close(s->thread_args.repo);
3321 s->thread_args.repo = NULL;
3324 if (s->thread_args.pack_fds) {
3325 const struct got_error *pack_err =
3326 got_repo_pack_fds_close(s->thread_args.pack_fds);
3329 s->thread_args.pack_fds = NULL;
3332 if (s->thread_args.graph) {
3333 got_commit_graph_close(s->thread_args.graph);
3334 s->thread_args.graph = NULL;
3337 return err ? err : thread_err;
3340 static const struct got_error *
3341 close_log_view(struct tog_view *view)
3343 const struct got_error *err = NULL;
3344 struct tog_log_view_state *s = &view->state.log;
3347 err = stop_log_thread(s);
3349 errcode = pthread_cond_destroy(&s->thread_args.need_commits);
3350 if (errcode && err == NULL)
3351 err = got_error_set_errno(errcode, "pthread_cond_destroy");
3353 errcode = pthread_cond_destroy(&s->thread_args.commit_loaded);
3354 if (errcode && err == NULL)
3355 err = got_error_set_errno(errcode, "pthread_cond_destroy");
3357 free_commits(&s->limit_commits);
3358 free_commits(&s->real_commits);
3359 free(s->in_repo_path);
3360 s->in_repo_path = NULL;
3363 free(s->head_ref_name);
3364 s->head_ref_name = NULL;
3369 * We use two queues to implement the limit feature: first consists of
3370 * commits matching the current limit_regex; second is the real queue
3371 * of all known commits (real_commits). When the user starts limiting,
3372 * we swap queues such that all movement and displaying functionality
3373 * works with very slight change.
3375 static const struct got_error *
3376 limit_log_view(struct tog_view *view)
3378 struct tog_log_view_state *s = &view->state.log;
3379 struct commit_queue_entry *entry;
3380 struct tog_view *v = view;
3381 const struct got_error *err = NULL;
3385 if (view_is_hsplit_top(view))
3387 else if (view->mode == TOG_VIEW_SPLIT_VERT && view->parent)
3390 /* Get the pattern */
3391 wmove(v->window, v->nlines - 1, 0);
3392 wclrtoeol(v->window);
3393 mvwaddstr(v->window, v->nlines - 1, 0, "&/");
3394 nodelay(v->window, FALSE);
3397 ret = wgetnstr(v->window, pattern, sizeof(pattern));
3400 nodelay(v->window, TRUE);
3404 if (*pattern == '\0') {
3406 * Safety measure for the situation where the user
3407 * resets limit without previously limiting anything.
3413 * User could have pressed Ctrl+L, which refreshed the
3414 * commit queues, it means we can't save previously
3415 * (before limit took place) displayed entries,
3416 * because they would point to already free'ed memory,
3417 * so we are forced to always select first entry of
3420 s->commits = &s->real_commits;
3421 s->first_displayed_entry = TAILQ_FIRST(&s->real_commits.head);
3422 s->selected_entry = s->first_displayed_entry;
3429 if (regcomp(&s->limit_regex, pattern, REG_EXTENDED | REG_NEWLINE))
3434 /* Clear the screen while loading limit view */
3435 s->first_displayed_entry = NULL;
3436 s->last_displayed_entry = NULL;
3437 s->selected_entry = NULL;
3438 s->commits = &s->limit_commits;
3440 /* Prepare limit queue for new search */
3441 free_commits(&s->limit_commits);
3442 s->limit_commits.ncommits = 0;
3444 /* First process commits, which are in queue already */
3445 TAILQ_FOREACH(entry, &s->real_commits.head, entry) {
3448 err = match_commit(&have_match, entry->id,
3449 entry->commit, &s->limit_regex);
3454 struct commit_queue_entry *matched;
3456 matched = alloc_commit_queue_entry(entry->commit,
3458 if (matched == NULL) {
3459 err = got_error_from_errno(
3460 "alloc_commit_queue_entry");
3463 matched->commit = entry->commit;
3464 got_object_commit_retain(entry->commit);
3466 matched->idx = s->limit_commits.ncommits;
3467 TAILQ_INSERT_TAIL(&s->limit_commits.head,
3469 s->limit_commits.ncommits++;
3473 /* Second process all the commits, until we fill the screen */
3474 if (s->limit_commits.ncommits < view->nlines - 1 &&
3475 !s->thread_args.log_complete) {
3476 s->thread_args.commits_needed +=
3477 view->nlines - s->limit_commits.ncommits - 1;
3478 err = trigger_log_thread(view, 1);
3483 s->first_displayed_entry = TAILQ_FIRST(&s->commits->head);
3484 s->selected_entry = TAILQ_FIRST(&s->commits->head);
3490 static const struct got_error *
3491 search_start_log_view(struct tog_view *view)
3493 struct tog_log_view_state *s = &view->state.log;
3495 s->matched_entry = NULL;
3496 s->search_entry = NULL;
3500 static const struct got_error *
3501 search_next_log_view(struct tog_view *view)
3503 const struct got_error *err = NULL;
3504 struct tog_log_view_state *s = &view->state.log;
3505 struct commit_queue_entry *entry;
3507 /* Display progress update in log view. */
3508 show_log_view(view);
3512 if (s->search_entry) {
3514 errcode = pthread_mutex_unlock(&tog_mutex);
3516 return got_error_set_errno(errcode,
3517 "pthread_mutex_unlock");
3518 ch = wgetch(view->window);
3519 errcode = pthread_mutex_lock(&tog_mutex);
3521 return got_error_set_errno(errcode,
3522 "pthread_mutex_lock");
3523 if (ch == CTRL('g') || ch == KEY_BACKSPACE) {
3524 view->search_next_done = TOG_SEARCH_HAVE_MORE;
3527 if (view->searching == TOG_SEARCH_FORWARD)
3528 entry = TAILQ_NEXT(s->search_entry, entry);
3530 entry = TAILQ_PREV(s->search_entry,
3531 commit_queue_head, entry);
3532 } else if (s->matched_entry) {
3534 * If the user has moved the cursor after we hit a match,
3535 * the position from where we should continue searching
3536 * might have changed.
3538 if (view->searching == TOG_SEARCH_FORWARD)
3539 entry = TAILQ_NEXT(s->selected_entry, entry);
3541 entry = TAILQ_PREV(s->selected_entry, commit_queue_head,
3544 entry = s->selected_entry;
3550 if (entry == NULL) {
3551 if (s->thread_args.log_complete ||
3552 view->searching == TOG_SEARCH_BACKWARD) {
3553 view->search_next_done =
3554 (s->matched_entry == NULL ?
3555 TOG_SEARCH_HAVE_NONE : TOG_SEARCH_NO_MORE);
3556 s->search_entry = NULL;
3560 * Poke the log thread for more commits and return,
3561 * allowing the main loop to make progress. Search
3562 * will resume at s->search_entry once we come back.
3564 s->thread_args.commits_needed++;
3565 return trigger_log_thread(view, 0);
3568 err = match_commit(&have_match, entry->id, entry->commit,
3573 view->search_next_done = TOG_SEARCH_HAVE_MORE;
3574 s->matched_entry = entry;
3578 s->search_entry = entry;
3579 if (view->searching == TOG_SEARCH_FORWARD)
3580 entry = TAILQ_NEXT(entry, entry);
3582 entry = TAILQ_PREV(entry, commit_queue_head, entry);
3585 if (s->matched_entry) {
3586 int cur = s->selected_entry->idx;
3587 while (cur < s->matched_entry->idx) {
3588 err = input_log_view(NULL, view, KEY_DOWN);
3593 while (cur > s->matched_entry->idx) {
3594 err = input_log_view(NULL, view, KEY_UP);
3601 s->search_entry = NULL;
3606 static const struct got_error *
3607 open_log_view(struct tog_view *view, struct got_object_id *start_id,
3608 struct got_repository *repo, const char *head_ref_name,
3609 const char *in_repo_path, int log_branches)
3611 const struct got_error *err = NULL;
3612 struct tog_log_view_state *s = &view->state.log;
3613 struct got_repository *thread_repo = NULL;
3614 struct got_commit_graph *thread_graph = NULL;
3617 if (in_repo_path != s->in_repo_path) {
3618 free(s->in_repo_path);
3619 s->in_repo_path = strdup(in_repo_path);
3620 if (s->in_repo_path == NULL) {
3621 err = got_error_from_errno("strdup");
3626 /* The commit queue only contains commits being displayed. */
3627 TAILQ_INIT(&s->real_commits.head);
3628 s->real_commits.ncommits = 0;
3629 s->commits = &s->real_commits;
3631 TAILQ_INIT(&s->limit_commits.head);
3633 s->limit_commits.ncommits = 0;
3636 if (head_ref_name) {
3637 s->head_ref_name = strdup(head_ref_name);
3638 if (s->head_ref_name == NULL) {
3639 err = got_error_from_errno("strdup");
3643 s->start_id = got_object_id_dup(start_id);
3644 if (s->start_id == NULL) {
3645 err = got_error_from_errno("got_object_id_dup");
3648 s->log_branches = log_branches;
3649 s->use_committer = 1;
3651 STAILQ_INIT(&s->colors);
3652 if (has_colors() && getenv("TOG_COLORS") != NULL) {
3653 err = add_color(&s->colors, "^$", TOG_COLOR_COMMIT,
3654 get_color_value("TOG_COLOR_COMMIT"));
3657 err = add_color(&s->colors, "^$", TOG_COLOR_AUTHOR,
3658 get_color_value("TOG_COLOR_AUTHOR"));
3660 free_colors(&s->colors);
3663 err = add_color(&s->colors, "^$", TOG_COLOR_DATE,
3664 get_color_value("TOG_COLOR_DATE"));
3666 free_colors(&s->colors);
3671 view->show = show_log_view;
3672 view->input = input_log_view;
3673 view->resize = resize_log_view;
3674 view->close = close_log_view;
3675 view->search_start = search_start_log_view;
3676 view->search_next = search_next_log_view;
3678 if (s->thread_args.pack_fds == NULL) {
3679 err = got_repo_pack_fds_open(&s->thread_args.pack_fds);
3683 err = got_repo_open(&thread_repo, got_repo_get_path(repo), NULL,
3684 s->thread_args.pack_fds);
3687 err = got_commit_graph_open(&thread_graph, s->in_repo_path,
3691 err = got_commit_graph_iter_start(thread_graph, s->start_id,
3692 s->repo, NULL, NULL);
3696 errcode = pthread_cond_init(&s->thread_args.need_commits, NULL);
3698 err = got_error_set_errno(errcode, "pthread_cond_init");
3701 errcode = pthread_cond_init(&s->thread_args.commit_loaded, NULL);
3703 err = got_error_set_errno(errcode, "pthread_cond_init");
3707 s->thread_args.commits_needed = view->nlines;
3708 s->thread_args.graph = thread_graph;
3709 s->thread_args.real_commits = &s->real_commits;
3710 s->thread_args.limit_commits = &s->limit_commits;
3711 s->thread_args.in_repo_path = s->in_repo_path;
3712 s->thread_args.start_id = s->start_id;
3713 s->thread_args.repo = thread_repo;
3714 s->thread_args.log_complete = 0;
3715 s->thread_args.quit = &s->quit;
3716 s->thread_args.first_displayed_entry = &s->first_displayed_entry;
3717 s->thread_args.selected_entry = &s->selected_entry;
3718 s->thread_args.searching = &view->searching;
3719 s->thread_args.search_next_done = &view->search_next_done;
3720 s->thread_args.regex = &view->regex;
3721 s->thread_args.limiting = &s->limit_view;
3722 s->thread_args.limit_regex = &s->limit_regex;
3723 s->thread_args.limit_commits = &s->limit_commits;
3726 if (view->close == NULL)
3727 close_log_view(view);
3733 static const struct got_error *
3734 show_log_view(struct tog_view *view)
3736 const struct got_error *err;
3737 struct tog_log_view_state *s = &view->state.log;
3739 if (s->thread == 0) { //NULL) {
3740 int errcode = pthread_create(&s->thread, NULL, log_thread,
3743 return got_error_set_errno(errcode, "pthread_create");
3744 if (s->thread_args.commits_needed > 0) {
3745 err = trigger_log_thread(view, 1);
3751 return draw_commits(view);
3755 log_move_cursor_up(struct tog_view *view, int page, int home)
3757 struct tog_log_view_state *s = &view->state.log;
3759 if (s->first_displayed_entry == NULL)
3761 if (s->selected_entry->idx == 0)
3764 if ((page && TAILQ_FIRST(&s->commits->head) == s->first_displayed_entry)
3766 s->selected = home ? 0 : MAX(0, s->selected - page - 1);
3768 if (!page && !home && s->selected > 0)
3771 log_scroll_up(s, home ? s->commits->ncommits : MAX(page, 1));
3777 static const struct got_error *
3778 log_move_cursor_down(struct tog_view *view, int page)
3780 struct tog_log_view_state *s = &view->state.log;
3781 const struct got_error *err = NULL;
3782 int eos = view->nlines - 2;
3784 if (s->first_displayed_entry == NULL)
3787 if (s->thread_args.log_complete &&
3788 s->selected_entry->idx >= s->commits->ncommits - 1)
3791 if (view_is_hsplit_top(view))
3792 --eos; /* border consumes the last line */
3795 if (s->selected < MIN(eos, s->commits->ncommits - 1))
3798 err = log_scroll_down(view, 1);
3799 } else if (s->thread_args.load_all && s->thread_args.log_complete) {
3800 struct commit_queue_entry *entry;
3804 entry = TAILQ_LAST(&s->commits->head, commit_queue_head);
3805 s->last_displayed_entry = entry;
3806 for (n = 0; n <= eos; n++) {
3809 s->first_displayed_entry = entry;
3810 entry = TAILQ_PREV(entry, commit_queue_head, entry);
3813 s->selected = n - 1;
3815 if (s->last_displayed_entry->idx == s->commits->ncommits - 1 &&
3816 s->thread_args.log_complete)
3817 s->selected += MIN(page,
3818 s->commits->ncommits - s->selected_entry->idx - 1);
3820 err = log_scroll_down(view, page);
3826 * We might necessarily overshoot in horizontal
3827 * splits; if so, select the last displayed commit.
3829 if (s->first_displayed_entry && s->last_displayed_entry) {
3830 s->selected = MIN(s->selected,
3831 s->last_displayed_entry->idx -
3832 s->first_displayed_entry->idx);
3837 if (s->thread_args.log_complete &&
3838 s->selected_entry->idx == s->commits->ncommits - 1)
3845 view_get_split(struct tog_view *view, int *y, int *x)
3850 if (view->mode == TOG_VIEW_SPLIT_HRZN) {
3851 if (view->child && view->child->resized_y)
3852 *y = view->child->resized_y;
3853 else if (view->resized_y)
3854 *y = view->resized_y;
3856 *y = view_split_begin_y(view->lines);
3857 } else if (view->mode == TOG_VIEW_SPLIT_VERT) {
3858 if (view->child && view->child->resized_x)
3859 *x = view->child->resized_x;
3860 else if (view->resized_x)
3861 *x = view->resized_x;
3863 *x = view_split_begin_x(view->begin_x);
3867 /* Split view horizontally at y and offset view->state->selected line. */
3868 static const struct got_error *
3869 view_init_hsplit(struct tog_view *view, int y)
3871 const struct got_error *err = NULL;
3875 err = view_resize(view);
3879 err = offset_selection_down(view);
3884 static const struct got_error *
3885 log_goto_line(struct tog_view *view, int nlines)
3887 const struct got_error *err = NULL;
3888 struct tog_log_view_state *s = &view->state.log;
3889 int g, idx = s->selected_entry->idx;
3891 if (s->first_displayed_entry == NULL || s->last_displayed_entry == NULL)
3897 if (g >= s->first_displayed_entry->idx + 1 &&
3898 g <= s->last_displayed_entry->idx + 1 &&
3899 g - s->first_displayed_entry->idx - 1 < nlines) {
3900 s->selected = g - s->first_displayed_entry->idx - 1;
3906 err = log_move_cursor_down(view, g - idx - 1);
3907 if (!err && g > s->selected_entry->idx + 1)
3908 err = log_move_cursor_down(view,
3909 g - s->first_displayed_entry->idx - 1);
3912 } else if (idx + 1 > g)
3913 log_move_cursor_up(view, idx - g + 1, 0);
3915 if (g < nlines && s->first_displayed_entry->idx == 0)
3916 s->selected = g - 1;
3924 horizontal_scroll_input(struct tog_view *view, int ch)
3930 view->x -= MIN(view->x, 2);
3936 if (view->x + view->ncols / 2 < view->maxx)
3945 view->x = MAX(view->maxx - view->ncols / 2, 0);
3953 static const struct got_error *
3954 input_log_view(struct tog_view **new_view, struct tog_view *view, int ch)
3956 const struct got_error *err = NULL;
3957 struct tog_log_view_state *s = &view->state.log;
3960 if (s->thread_args.load_all) {
3961 if (ch == CTRL('g') || ch == KEY_BACKSPACE)
3962 s->thread_args.load_all = 0;
3963 else if (s->thread_args.log_complete) {
3964 err = log_move_cursor_down(view, s->commits->ncommits);
3965 s->thread_args.load_all = 0;
3971 eos = nscroll = view->nlines - 1;
3972 if (view_is_hsplit_top(view))
3976 return log_goto_line(view, eos);
3980 err = limit_log_view(view);
3991 horizontal_scroll_input(view, ch);
3998 log_move_cursor_up(view, 0, 0);
4003 log_move_cursor_up(view, 0, 1);
4013 log_move_cursor_up(view, nscroll, 0);
4020 err = log_move_cursor_down(view, 0);
4023 s->use_committer = !s->use_committer;
4024 view->action = s->use_committer ?
4025 "show committer" : "show commit author";
4030 /* We don't know yet how many commits, so we're forced to
4031 * traverse them all. */
4033 s->thread_args.load_all = 1;
4034 if (!s->thread_args.log_complete)
4035 return trigger_log_thread(view, 0);
4036 err = log_move_cursor_down(view, s->commits->ncommits);
4037 s->thread_args.load_all = 0;
4048 err = log_move_cursor_down(view, nscroll);
4051 if (s->selected > view->nlines - 2)
4052 s->selected = view->nlines - 2;
4053 if (s->selected > s->commits->ncommits - 1)
4054 s->selected = s->commits->ncommits - 1;
4056 if (s->commits->ncommits < view->nlines - 1 &&
4057 !s->thread_args.log_complete) {
4058 s->thread_args.commits_needed += (view->nlines - 1) -
4059 s->commits->ncommits;
4060 err = trigger_log_thread(view, 1);
4066 if (s->selected_entry == NULL)
4068 err = view_request_new(new_view, view, TOG_VIEW_DIFF);
4072 if (s->selected_entry == NULL)
4074 err = view_request_new(new_view, view, TOG_VIEW_TREE);
4080 if (ch == KEY_BACKSPACE &&
4081 got_path_is_root_dir(s->in_repo_path))
4083 err = stop_log_thread(s);
4086 if (ch == KEY_BACKSPACE) {
4088 err = got_path_dirname(&parent_path, s->in_repo_path);
4091 free(s->in_repo_path);
4092 s->in_repo_path = parent_path;
4093 s->thread_args.in_repo_path = s->in_repo_path;
4094 } else if (ch == CTRL('l')) {
4095 struct got_object_id *start_id;
4096 err = got_repo_match_object_id(&start_id, NULL,
4097 s->head_ref_name ? s->head_ref_name : GOT_REF_HEAD,
4098 GOT_OBJ_TYPE_COMMIT, &tog_refs, s->repo);
4100 if (s->head_ref_name == NULL ||
4101 err->code != GOT_ERR_NOT_REF)
4103 /* Try to cope with deleted references. */
4104 free(s->head_ref_name);
4105 s->head_ref_name = NULL;
4106 err = got_repo_match_object_id(&start_id,
4107 NULL, GOT_REF_HEAD, GOT_OBJ_TYPE_COMMIT,
4108 &tog_refs, s->repo);
4113 s->start_id = start_id;
4114 s->thread_args.start_id = s->start_id;
4116 s->log_branches = !s->log_branches;
4118 if (s->thread_args.pack_fds == NULL) {
4119 err = got_repo_pack_fds_open(&s->thread_args.pack_fds);
4123 err = got_repo_open(&s->thread_args.repo,
4124 got_repo_get_path(s->repo), NULL,
4125 s->thread_args.pack_fds);
4129 err = tog_load_refs(s->repo, 0);
4132 err = got_commit_graph_open(&s->thread_args.graph,
4133 s->in_repo_path, !s->log_branches);
4136 err = got_commit_graph_iter_start(s->thread_args.graph,
4137 s->start_id, s->repo, NULL, NULL);
4140 free_commits(&s->real_commits);
4141 free_commits(&s->limit_commits);
4142 s->first_displayed_entry = NULL;
4143 s->last_displayed_entry = NULL;
4144 s->selected_entry = NULL;
4146 s->thread_args.log_complete = 0;
4148 s->thread_args.commits_needed = view->lines;
4149 s->matched_entry = NULL;
4150 s->search_entry = NULL;
4155 err = view_request_new(new_view, view, TOG_VIEW_REF);
4165 static const struct got_error *
4166 apply_unveil(const char *repo_path, const char *worktree_path)
4168 const struct got_error *error;
4171 if (unveil("gmon.out", "rwc") != 0)
4172 return got_error_from_errno2("unveil", "gmon.out");
4174 if (repo_path && unveil(repo_path, "r") != 0)
4175 return got_error_from_errno2("unveil", repo_path);
4177 if (worktree_path && unveil(worktree_path, "rwc") != 0)
4178 return got_error_from_errno2("unveil", worktree_path);
4180 if (unveil(GOT_TMPDIR_STR, "rwc") != 0)
4181 return got_error_from_errno2("unveil", GOT_TMPDIR_STR);
4183 error = got_privsep_unveil_exec_helpers();
4187 if (unveil(NULL, NULL) != 0)
4188 return got_error_from_errno("unveil");
4193 static const struct got_error *
4194 init_mock_term(const char *test_script_path)
4196 const struct got_error *err = NULL;
4197 const char *screen_dump_path;
4200 if (test_script_path == NULL || *test_script_path == '\0')
4201 return got_error_msg(GOT_ERR_IO, "TOG_TEST_SCRIPT not defined");
4203 tog_io.f = fopen(test_script_path, "re");
4204 if (tog_io.f == NULL) {
4205 err = got_error_from_errno_fmt("fopen: %s",
4210 /* test mode, we don't want any output */
4211 tog_io.cout = fopen("/dev/null", "w+");
4212 if (tog_io.cout == NULL) {
4213 err = got_error_from_errno2("fopen", "/dev/null");
4217 in = dup(fileno(tog_io.cout));
4219 err = got_error_from_errno("dup");
4222 tog_io.cin = fdopen(in, "r");
4223 if (tog_io.cin == NULL) {
4224 err = got_error_from_errno("fdopen");
4229 screen_dump_path = getenv("TOG_SCR_DUMP");
4230 if (screen_dump_path == NULL || *screen_dump_path == '\0')
4231 return got_error_msg(GOT_ERR_IO, "TOG_SCR_DUMP not defined");
4232 tog_io.sdump = fopen(screen_dump_path, "wex");
4233 if (tog_io.sdump == NULL) {
4234 err = got_error_from_errno2("fopen", screen_dump_path);
4238 if (fseeko(tog_io.f, 0L, SEEK_SET) == -1) {
4239 err = got_error_from_errno("fseeko");
4243 if (newterm(NULL, tog_io.cout, tog_io.cin) == NULL)
4244 err = got_error_msg(GOT_ERR_IO,
4245 "newterm: failed to initialise curses");
4259 * Override default signal handlers before starting ncurses.
4260 * This should prevent ncurses from installing its own
4261 * broken cleanup() signal handler.
4263 signal(SIGWINCH, tog_sigwinch);
4264 signal(SIGPIPE, tog_sigpipe);
4265 signal(SIGCONT, tog_sigcont);
4266 signal(SIGINT, tog_sigint);
4267 signal(SIGTERM, tog_sigterm);
4269 if (using_mock_io) /* In test mode we use a fake terminal */
4275 halfdelay(1); /* Fast refresh while initial view is loading. */
4278 intrflush(stdscr, FALSE);
4279 keypad(stdscr, TRUE);
4281 if (getenv("TOG_COLORS") != NULL) {
4283 use_default_colors();
4289 static const struct got_error *
4290 get_in_repo_path_from_argv0(char **in_repo_path, int argc, char *argv[],
4291 struct got_repository *repo, struct got_worktree *worktree)
4293 const struct got_error *err = NULL;
4296 *in_repo_path = strdup("/");
4297 if (*in_repo_path == NULL)
4298 return got_error_from_errno("strdup");
4303 const char *prefix = got_worktree_get_path_prefix(worktree);
4306 err = got_worktree_resolve_path(&p, worktree, argv[0]);
4309 if (asprintf(in_repo_path, "%s%s%s", prefix,
4310 (p[0] != '\0' && !got_path_is_root_dir(prefix)) ? "/" : "",
4312 err = got_error_from_errno("asprintf");
4313 *in_repo_path = NULL;
4317 err = got_repo_map_path(in_repo_path, repo, argv[0]);
4322 static const struct got_error *
4323 cmd_log(int argc, char *argv[])
4325 const struct got_error *error;
4326 struct got_repository *repo = NULL;
4327 struct got_worktree *worktree = NULL;
4328 struct got_object_id *start_id = NULL;
4329 char *in_repo_path = NULL, *repo_path = NULL, *cwd = NULL;
4330 char *start_commit = NULL, *label = NULL;
4331 struct got_reference *ref = NULL;
4332 const char *head_ref_name = NULL;
4333 int ch, log_branches = 0;
4334 struct tog_view *view;
4335 int *pack_fds = NULL;
4337 while ((ch = getopt(argc, argv, "bc:r:")) != -1) {
4343 start_commit = optarg;
4346 repo_path = realpath(optarg, NULL);
4347 if (repo_path == NULL)
4348 return got_error_from_errno2("realpath",
4363 error = got_repo_pack_fds_open(&pack_fds);
4367 if (repo_path == NULL) {
4368 cwd = getcwd(NULL, 0);
4370 return got_error_from_errno("getcwd");
4371 error = got_worktree_open(&worktree, cwd);
4372 if (error && error->code != GOT_ERR_NOT_WORKTREE)
4376 strdup(got_worktree_get_repo_path(worktree));
4378 repo_path = strdup(cwd);
4379 if (repo_path == NULL) {
4380 error = got_error_from_errno("strdup");
4385 error = got_repo_open(&repo, repo_path, NULL, pack_fds);
4389 error = get_in_repo_path_from_argv0(&in_repo_path, argc, argv,
4396 error = apply_unveil(got_repo_get_path(repo),
4397 worktree ? got_worktree_get_root_path(worktree) : NULL);
4401 /* already loaded by tog_log_with_path()? */
4402 if (TAILQ_EMPTY(&tog_refs)) {
4403 error = tog_load_refs(repo, 0);
4408 if (start_commit == NULL) {
4409 error = got_repo_match_object_id(&start_id, &label,
4410 worktree ? got_worktree_get_head_ref_name(worktree) :
4411 GOT_REF_HEAD, GOT_OBJ_TYPE_COMMIT, &tog_refs, repo);
4414 head_ref_name = label;
4416 error = got_ref_open(&ref, repo, start_commit, 0);
4418 head_ref_name = got_ref_get_name(ref);
4419 else if (error->code != GOT_ERR_NOT_REF)
4421 error = got_repo_match_object_id(&start_id, NULL,
4422 start_commit, GOT_OBJ_TYPE_COMMIT, &tog_refs, repo);
4427 view = view_open(0, 0, 0, 0, TOG_VIEW_LOG);
4429 error = got_error_from_errno("view_open");
4432 error = open_log_view(view, start_id, repo, head_ref_name,
4433 in_repo_path, log_branches);
4437 /* Release work tree lock. */
4438 got_worktree_close(worktree);
4441 error = view_loop(view);
4451 const struct got_error *close_err = got_repo_close(repo);
4456 got_worktree_close(worktree);
4458 const struct got_error *pack_err =
4459 got_repo_pack_fds_close(pack_fds);
4471 fprintf(stderr, "usage: %s diff [-aw] [-C number] [-r repository-path] "
4472 "object1 object2\n", getprogname());
4477 match_line(const char *line, regex_t *regex, size_t nmatch,
4478 regmatch_t *regmatch)
4480 return regexec(regex, line, nmatch, regmatch, 0) == 0;
4483 static struct tog_color *
4484 match_color(struct tog_colors *colors, const char *line)
4486 struct tog_color *tc = NULL;
4488 STAILQ_FOREACH(tc, colors, entry) {
4489 if (match_line(line, &tc->regex, 0, NULL))
4496 static const struct got_error *
4497 add_matched_line(int *wtotal, const char *line, int wlimit, int col_tab_align,
4498 WINDOW *window, int skipcol, regmatch_t *regmatch)
4500 const struct got_error *err = NULL;
4502 wchar_t *wline = NULL;
4503 int rme, rms, n, width, scrollx;
4504 int width0 = 0, width1 = 0, width2 = 0;
4505 char *seg0 = NULL, *seg1 = NULL, *seg2 = NULL;
4509 rms = regmatch->rm_so;
4510 rme = regmatch->rm_eo;
4512 err = expand_tab(&exstr, line);
4516 /* Split the line into 3 segments, according to match offsets. */
4517 seg0 = strndup(exstr, rms);
4519 err = got_error_from_errno("strndup");
4522 seg1 = strndup(exstr + rms, rme - rms);
4524 err = got_error_from_errno("strndup");
4527 seg2 = strdup(exstr + rme);
4529 err = got_error_from_errno("strndup");
4533 /* draw up to matched token if we haven't scrolled past it */
4534 err = format_line(&wline, &width0, NULL, seg0, 0, wlimit,
4538 n = MAX(width0 - skipcol, 0);
4541 err = format_line(&wline, &width, &scrollx, seg0, skipcol,
4542 wlimit, col_tab_align, 1);
4545 waddwstr(window, &wline[scrollx]);
4555 err = format_line(&wline, &width1, NULL, seg1, 0, wlimit,
4559 wlen = wcslen(wline);
4561 width = wcwidth(wline[i]);
4563 /* should not happen, tabs are expanded */
4564 err = got_error(GOT_ERR_RANGE);
4567 if (width0 + w + width > skipcol)
4572 /* draw (visible part of) matched token (if scrolled into it) */
4573 if (width1 - w > 0) {
4574 wattron(window, A_STANDOUT);
4575 waddwstr(window, &wline[i]);
4576 wattroff(window, A_STANDOUT);
4577 wlimit -= (width1 - w);
4578 *wtotal += (width1 - w);
4582 if (wlimit > 0) { /* draw rest of line */
4584 if (skipcol > width0 + width1) {
4585 err = format_line(&wline, &width2, &scrollx, seg2,
4586 skipcol - (width0 + width1), wlimit,
4590 waddwstr(window, &wline[scrollx]);
4592 err = format_line(&wline, &width2, NULL, seg2, 0,
4593 wlimit, col_tab_align, 1);
4596 waddwstr(window, wline);
4610 gotoline(struct tog_view *view, int *lineno, int *nprinted)
4613 int *eof, *first, *selected;
4615 if (view->type == TOG_VIEW_DIFF) {
4616 struct tog_diff_view_state *s = &view->state.diff;
4618 first = &s->first_displayed_line;
4622 } else if (view->type == TOG_VIEW_HELP) {
4623 struct tog_help_view_state *s = &view->state.help;
4625 first = &s->first_displayed_line;
4629 } else if (view->type == TOG_VIEW_BLAME) {
4630 struct tog_blame_view_state *s = &view->state.blame;
4632 first = &s->first_displayed_line;
4633 selected = &s->selected_line;
4639 /* Center gline in the middle of the page like vi(1). */
4640 if (*lineno < view->gline - (view->nlines - 3) / 2)
4642 if (*first != 1 && (*lineno > view->gline - (view->nlines - 3) / 2)) {
4651 *selected = view->gline <= (view->nlines - 3) / 2 ?
4652 view->gline : (view->nlines - 3) / 2 + 1;
4658 static const struct got_error *
4659 draw_file(struct tog_view *view, const char *header)
4661 struct tog_diff_view_state *s = &view->state.diff;
4662 regmatch_t *regmatch = &view->regmatch;
4663 const struct got_error *err;
4666 size_t linesize = 0;
4670 int max_lines = view->nlines;
4671 int nlines = s->nlines;
4674 s->lineno = s->first_displayed_line - 1;
4675 line_offset = s->lines[s->first_displayed_line - 1].offset;
4676 if (fseeko(s->f, line_offset, SEEK_SET) == -1)
4677 return got_error_from_errno("fseek");
4679 werase(view->window);
4681 if (view->gline > s->nlines - 1)
4682 view->gline = s->nlines - 1;
4685 int ln = view->gline ? view->gline <= (view->nlines - 3) / 2 ?
4686 1 : view->gline - (view->nlines - 3) / 2 :
4687 s->lineno + s->selected_line;
4689 if (asprintf(&line, "[%d/%d] %s", ln, nlines, header) == -1)
4690 return got_error_from_errno("asprintf");
4691 err = format_line(&wline, &width, NULL, line, 0, view->ncols,
4697 if (view_needs_focus_indication(view))
4698 wstandout(view->window);
4699 waddwstr(view->window, wline);
4702 while (width++ < view->ncols)
4703 waddch(view->window, ' ');
4704 if (view_needs_focus_indication(view))
4705 wstandend(view->window);
4715 while (max_lines > 0 && nprinted < max_lines) {
4716 enum got_diff_line_type linetype;
4719 linelen = getline(&line, &linesize, s->f);
4720 if (linelen == -1) {
4726 return got_ferror(s->f, GOT_ERR_IO);
4729 if (++s->lineno < s->first_displayed_line)
4731 if (view->gline && !gotoline(view, &s->lineno, &nprinted))
4733 if (s->lineno == view->hiline)
4736 /* Set view->maxx based on full line length. */
4737 err = format_line(&wline, &width, NULL, line, 0, INT_MAX, 0,
4743 view->maxx = MAX(view->maxx, width);
4747 linetype = s->lines[s->lineno].type;
4748 if (linetype > GOT_DIFF_LINE_LOGMSG &&
4749 linetype < GOT_DIFF_LINE_CONTEXT)
4750 attr |= COLOR_PAIR(linetype);
4752 wattron(view->window, attr);
4753 if (s->first_displayed_line + nprinted == s->matched_line &&
4754 regmatch->rm_so >= 0 && regmatch->rm_so < regmatch->rm_eo) {
4755 err = add_matched_line(&width, line, view->ncols, 0,
4756 view->window, view->x, regmatch);
4763 err = format_line(&wline, &width, &skip, line,
4764 view->x, view->ncols, 0, view->x ? 1 : 0);
4769 waddwstr(view->window, &wline[skip]);
4773 if (s->lineno == view->hiline) {
4774 /* highlight full gline length */
4775 while (width++ < view->ncols)
4776 waddch(view->window, ' ');
4778 if (width <= view->ncols - 1)
4779 waddch(view->window, '\n');
4782 wattroff(view->window, attr);
4783 if (++nprinted == 1)
4784 s->first_displayed_line = s->lineno;
4788 s->last_displayed_line = s->first_displayed_line +
4791 s->last_displayed_line = s->first_displayed_line;
4796 while (nprinted < view->nlines) {
4797 waddch(view->window, '\n');
4801 err = format_line(&wline, &width, NULL, TOG_EOF_STRING, 0,
4807 wstandout(view->window);
4808 waddwstr(view->window, wline);
4811 wstandend(view->window);
4818 get_datestr(time_t *time, char *datebuf)
4820 struct tm mytm, *tm;
4823 tm = gmtime_r(time, &mytm);
4826 s = asctime_r(tm, datebuf);
4829 p = strchr(s, '\n');
4835 static const struct got_error *
4836 add_line_metadata(struct got_diff_line **lines, size_t *nlines,
4837 off_t off, uint8_t type)
4839 struct got_diff_line *p;
4841 p = reallocarray(*lines, *nlines + 1, sizeof(**lines));
4843 return got_error_from_errno("reallocarray");
4845 (*lines)[*nlines].offset = off;
4846 (*lines)[*nlines].type = type;
4852 static const struct got_error *
4853 cat_diff(FILE *dst, FILE *src, struct got_diff_line **d_lines, size_t *d_nlines,
4854 struct got_diff_line *s_lines, size_t s_nlines)
4856 struct got_diff_line *p;
4860 if (fseeko(src, 0L, SEEK_SET) == -1)
4861 return got_error_from_errno("fseeko");
4864 r = fread(buf, 1, sizeof(buf), src);
4867 return got_error_from_errno("fread");
4871 if (fwrite(buf, 1, r, dst) != r)
4872 return got_ferror(dst, GOT_ERR_IO);
4875 if (s_nlines == 0 && *d_nlines == 0)
4879 * If commit info was in dst, increment line offsets
4880 * of the appended diff content, but skip s_lines[0]
4881 * because offset zero is already in *d_lines.
4883 if (*d_nlines > 0) {
4884 for (i = 1; i < s_nlines; ++i)
4885 s_lines[i].offset += (*d_lines)[*d_nlines - 1].offset;
4893 p = reallocarray(*d_lines, *d_nlines + s_nlines, sizeof(*p));
4895 /* d_lines is freed in close_diff_view() */
4896 return got_error_from_errno("reallocarray");
4901 memcpy(*d_lines + *d_nlines, s_lines, s_nlines * sizeof(*s_lines));
4902 *d_nlines += s_nlines;
4907 static const struct got_error *
4908 write_commit_info(struct got_diff_line **lines, size_t *nlines,
4909 struct got_object_id *commit_id, struct got_reflist_head *refs,
4910 struct got_repository *repo, int ignore_ws, int force_text_diff,
4911 struct got_diffstat_cb_arg *dsa, FILE *outfile)
4913 const struct got_error *err = NULL;
4914 char datebuf[26], *datestr;
4915 struct got_commit_object *commit;
4916 char *id_str = NULL, *logmsg = NULL, *s = NULL, *line;
4917 time_t committer_time;
4918 const char *author, *committer;
4919 char *refs_str = NULL;
4920 struct got_pathlist_entry *pe;
4925 err = build_refs_str(&refs_str, refs, commit_id, repo);
4930 err = got_object_open_as_commit(&commit, repo, commit_id);
4934 err = got_object_id_str(&id_str, commit_id);
4936 err = got_error_from_errno("got_object_id_str");
4940 err = add_line_metadata(lines, nlines, 0, GOT_DIFF_LINE_NONE);
4944 n = fprintf(outfile, "commit %s%s%s%s\n", id_str, refs_str ? " (" : "",
4945 refs_str ? refs_str : "", refs_str ? ")" : "");
4947 err = got_error_from_errno("fprintf");
4951 err = add_line_metadata(lines, nlines, outoff, GOT_DIFF_LINE_META);
4955 n = fprintf(outfile, "from: %s\n",
4956 got_object_commit_get_author(commit));
4958 err = got_error_from_errno("fprintf");
4962 err = add_line_metadata(lines, nlines, outoff, GOT_DIFF_LINE_AUTHOR);
4966 author = got_object_commit_get_author(commit);
4967 committer = got_object_commit_get_committer(commit);
4968 if (strcmp(author, committer) != 0) {
4969 n = fprintf(outfile, "via: %s\n", committer);
4971 err = got_error_from_errno("fprintf");
4975 err = add_line_metadata(lines, nlines, outoff,
4976 GOT_DIFF_LINE_AUTHOR);
4980 committer_time = got_object_commit_get_committer_time(commit);
4981 datestr = get_datestr(&committer_time, datebuf);
4983 n = fprintf(outfile, "date: %s UTC\n", datestr);
4985 err = got_error_from_errno("fprintf");
4989 err = add_line_metadata(lines, nlines, outoff,
4990 GOT_DIFF_LINE_DATE);
4994 if (got_object_commit_get_nparents(commit) > 1) {
4995 const struct got_object_id_queue *parent_ids;
4996 struct got_object_qid *qid;
4998 parent_ids = got_object_commit_get_parent_ids(commit);
4999 STAILQ_FOREACH(qid, parent_ids, entry) {
5000 err = got_object_id_str(&id_str, &qid->id);
5003 n = fprintf(outfile, "parent %d: %s\n", pn++, id_str);
5005 err = got_error_from_errno("fprintf");
5009 err = add_line_metadata(lines, nlines, outoff,
5010 GOT_DIFF_LINE_META);
5018 err = got_object_commit_get_logmsg(&logmsg, commit);
5022 while ((line = strsep(&s, "\n")) != NULL) {
5023 n = fprintf(outfile, "%s\n", line);
5025 err = got_error_from_errno("fprintf");
5029 err = add_line_metadata(lines, nlines, outoff,
5030 GOT_DIFF_LINE_LOGMSG);
5035 TAILQ_FOREACH(pe, dsa->paths, entry) {
5036 struct got_diff_changed_path *cp = pe->data;
5037 int pad = dsa->max_path_len - pe->path_len + 1;
5039 n = fprintf(outfile, "%c %s%*c | %*d+ %*d-\n", cp->status,
5040 pe->path, pad, ' ', dsa->add_cols + 1, cp->add,
5041 dsa->rm_cols + 1, cp->rm);
5043 err = got_error_from_errno("fprintf");
5047 err = add_line_metadata(lines, nlines, outoff,
5048 GOT_DIFF_LINE_CHANGES);
5053 fputc('\n', outfile);
5055 err = add_line_metadata(lines, nlines, outoff, GOT_DIFF_LINE_NONE);
5059 n = fprintf(outfile,
5060 "%d file%s changed, %d insertion%s(+), %d deletion%s(-)\n",
5061 dsa->nfiles, dsa->nfiles > 1 ? "s" : "", dsa->ins,
5062 dsa->ins != 1 ? "s" : "", dsa->del, dsa->del != 1 ? "s" : "");
5064 err = got_error_from_errno("fprintf");
5068 err = add_line_metadata(lines, nlines, outoff, GOT_DIFF_LINE_NONE);
5072 fputc('\n', outfile);
5074 err = add_line_metadata(lines, nlines, outoff, GOT_DIFF_LINE_NONE);
5079 got_object_commit_close(commit);
5088 static const struct got_error *
5089 create_diff(struct tog_diff_view_state *s)
5091 const struct got_error *err = NULL;
5092 FILE *f = NULL, *tmp_diff_file = NULL;
5094 struct got_diff_line *lines = NULL;
5095 struct got_pathlist_head changed_paths;
5097 TAILQ_INIT(&changed_paths);
5100 s->lines = malloc(sizeof(*s->lines));
5101 if (s->lines == NULL)
5102 return got_error_from_errno("malloc");
5107 err = got_error_from_errno("got_opentemp");
5110 tmp_diff_file = got_opentemp();
5111 if (tmp_diff_file == NULL) {
5112 err = got_error_from_errno("got_opentemp");
5115 if (s->f && fclose(s->f) == EOF) {
5116 err = got_error_from_errno("fclose");
5122 err = got_object_get_type(&obj_type, s->repo, s->id1);
5124 err = got_object_get_type(&obj_type, s->repo, s->id2);
5129 case GOT_OBJ_TYPE_BLOB:
5130 err = got_diff_objects_as_blobs(&s->lines, &s->nlines,
5131 s->f1, s->f2, s->fd1, s->fd2, s->id1, s->id2,
5132 s->label1, s->label2, tog_diff_algo, s->diff_context,
5133 s->ignore_whitespace, s->force_text_diff, NULL, s->repo,
5136 case GOT_OBJ_TYPE_TREE:
5137 err = got_diff_objects_as_trees(&s->lines, &s->nlines,
5138 s->f1, s->f2, s->fd1, s->fd2, s->id1, s->id2, NULL, "", "",
5139 tog_diff_algo, s->diff_context, s->ignore_whitespace,
5140 s->force_text_diff, NULL, s->repo, s->f);
5142 case GOT_OBJ_TYPE_COMMIT: {
5143 const struct got_object_id_queue *parent_ids;
5144 struct got_object_qid *pid;
5145 struct got_commit_object *commit2;
5146 struct got_reflist_head *refs;
5148 struct got_diffstat_cb_arg dsa = {
5151 s->ignore_whitespace,
5156 lines = malloc(sizeof(*lines));
5157 if (lines == NULL) {
5158 err = got_error_from_errno("malloc");
5162 /* build diff first in tmp file then append to commit info */
5163 err = got_diff_objects_as_commits(&lines, &nlines,
5164 s->f1, s->f2, s->fd1, s->fd2, s->id1, s->id2, NULL,
5165 tog_diff_algo, s->diff_context, s->ignore_whitespace,
5166 s->force_text_diff, &dsa, s->repo, tmp_diff_file);
5170 err = got_object_open_as_commit(&commit2, s->repo, s->id2);
5173 refs = got_reflist_object_id_map_lookup(tog_refs_idmap, s->id2);
5174 /* Show commit info if we're diffing to a parent/root commit. */
5175 if (s->id1 == NULL) {
5176 err = write_commit_info(&s->lines, &s->nlines, s->id2,
5177 refs, s->repo, s->ignore_whitespace,
5178 s->force_text_diff, &dsa, s->f);
5182 parent_ids = got_object_commit_get_parent_ids(commit2);
5183 STAILQ_FOREACH(pid, parent_ids, entry) {
5184 if (got_object_id_cmp(s->id1, &pid->id) == 0) {
5185 err = write_commit_info(&s->lines,
5186 &s->nlines, s->id2, refs, s->repo,
5187 s->ignore_whitespace,
5188 s->force_text_diff, &dsa, s->f);
5195 got_object_commit_close(commit2);
5197 err = cat_diff(s->f, tmp_diff_file, &s->lines, &s->nlines,
5202 err = got_error(GOT_ERR_OBJ_TYPE);
5207 got_pathlist_free(&changed_paths, GOT_PATHLIST_FREE_ALL);
5208 if (s->f && fflush(s->f) != 0 && err == NULL)
5209 err = got_error_from_errno("fflush");
5210 if (tmp_diff_file && fclose(tmp_diff_file) == EOF && err == NULL)
5211 err = got_error_from_errno("fclose");
5216 diff_view_indicate_progress(struct tog_view *view)
5218 mvwaddstr(view->window, 0, 0, "diffing...");
5223 static const struct got_error *
5224 search_start_diff_view(struct tog_view *view)
5226 struct tog_diff_view_state *s = &view->state.diff;
5228 s->matched_line = 0;
5233 search_setup_diff_view(struct tog_view *view, FILE **f, off_t **line_offsets,
5234 size_t *nlines, int **first, int **last, int **match, int **selected)
5236 struct tog_diff_view_state *s = &view->state.diff;
5239 *nlines = s->nlines;
5240 *line_offsets = NULL;
5241 *match = &s->matched_line;
5242 *first = &s->first_displayed_line;
5243 *last = &s->last_displayed_line;
5244 *selected = &s->selected_line;
5247 static const struct got_error *
5248 search_next_view_match(struct tog_view *view)
5250 const struct got_error *err = NULL;
5254 size_t linesize = 0;
5256 off_t *line_offsets;
5258 int *first, *last, *match, *selected;
5260 if (!view->search_setup)
5261 return got_error_msg(GOT_ERR_NOT_IMPL,
5262 "view search not supported");
5263 view->search_setup(view, &f, &line_offsets, &nlines, &first, &last,
5266 if (!view->searching) {
5267 view->search_next_done = TOG_SEARCH_HAVE_MORE;
5272 if (view->searching == TOG_SEARCH_FORWARD)
5273 lineno = *first + 1;
5275 lineno = *first - 1;
5277 lineno = *first - 1 + *selected;
5282 if (lineno <= 0 || lineno > nlines) {
5284 view->search_next_done = TOG_SEARCH_HAVE_MORE;
5288 if (view->searching == TOG_SEARCH_FORWARD)
5294 offset = view->type == TOG_VIEW_DIFF ?
5295 view->state.diff.lines[lineno - 1].offset :
5296 line_offsets[lineno - 1];
5297 if (fseeko(f, offset, SEEK_SET) != 0) {
5299 return got_error_from_errno("fseeko");
5301 linelen = getline(&line, &linesize, f);
5302 if (linelen != -1) {
5304 err = expand_tab(&exstr, line);
5307 if (match_line(exstr, &view->regex, 1,
5309 view->search_next_done = TOG_SEARCH_HAVE_MORE;
5316 if (view->searching == TOG_SEARCH_FORWARD)
5331 static const struct got_error *
5332 close_diff_view(struct tog_view *view)
5334 const struct got_error *err = NULL;
5335 struct tog_diff_view_state *s = &view->state.diff;
5341 if (s->f && fclose(s->f) == EOF)
5342 err = got_error_from_errno("fclose");
5344 if (s->f1 && fclose(s->f1) == EOF && err == NULL)
5345 err = got_error_from_errno("fclose");
5347 if (s->f2 && fclose(s->f2) == EOF && err == NULL)
5348 err = got_error_from_errno("fclose");
5350 if (s->fd1 != -1 && close(s->fd1) == -1 && err == NULL)
5351 err = got_error_from_errno("close");
5353 if (s->fd2 != -1 && close(s->fd2) == -1 && err == NULL)
5354 err = got_error_from_errno("close");
5362 static const struct got_error *
5363 open_diff_view(struct tog_view *view, struct got_object_id *id1,
5364 struct got_object_id *id2, const char *label1, const char *label2,
5365 int diff_context, int ignore_whitespace, int force_text_diff,
5366 struct tog_view *parent_view, struct got_repository *repo)
5368 const struct got_error *err;
5369 struct tog_diff_view_state *s = &view->state.diff;
5371 memset(s, 0, sizeof(*s));
5375 if (id1 != NULL && id2 != NULL) {
5378 err = got_object_get_type(&type1, repo, id1);
5381 err = got_object_get_type(&type2, repo, id2);
5385 if (type1 != type2) {
5386 err = got_error(GOT_ERR_OBJ_TYPE);
5390 s->first_displayed_line = 1;
5391 s->last_displayed_line = view->nlines;
5392 s->selected_line = 1;
5400 s->id1 = got_object_id_dup(id1);
5401 if (s->id1 == NULL) {
5402 err = got_error_from_errno("got_object_id_dup");
5408 s->id2 = got_object_id_dup(id2);
5409 if (s->id2 == NULL) {
5410 err = got_error_from_errno("got_object_id_dup");
5414 s->f1 = got_opentemp();
5415 if (s->f1 == NULL) {
5416 err = got_error_from_errno("got_opentemp");
5420 s->f2 = got_opentemp();
5421 if (s->f2 == NULL) {
5422 err = got_error_from_errno("got_opentemp");
5426 s->fd1 = got_opentempfd();
5428 err = got_error_from_errno("got_opentempfd");
5432 s->fd2 = got_opentempfd();
5434 err = got_error_from_errno("got_opentempfd");
5438 s->diff_context = diff_context;
5439 s->ignore_whitespace = ignore_whitespace;
5440 s->force_text_diff = force_text_diff;
5441 s->parent_view = parent_view;
5444 if (has_colors() && getenv("TOG_COLORS") != NULL && !using_mock_io) {
5447 rc = init_pair(GOT_DIFF_LINE_MINUS,
5448 get_color_value("TOG_COLOR_DIFF_MINUS"), -1);
5450 rc = init_pair(GOT_DIFF_LINE_PLUS,
5451 get_color_value("TOG_COLOR_DIFF_PLUS"), -1);
5453 rc = init_pair(GOT_DIFF_LINE_HUNK,
5454 get_color_value("TOG_COLOR_DIFF_CHUNK_HEADER"), -1);
5456 rc = init_pair(GOT_DIFF_LINE_META,
5457 get_color_value("TOG_COLOR_DIFF_META"), -1);
5459 rc = init_pair(GOT_DIFF_LINE_CHANGES,
5460 get_color_value("TOG_COLOR_DIFF_META"), -1);
5462 rc = init_pair(GOT_DIFF_LINE_BLOB_MIN,
5463 get_color_value("TOG_COLOR_DIFF_META"), -1);
5465 rc = init_pair(GOT_DIFF_LINE_BLOB_PLUS,
5466 get_color_value("TOG_COLOR_DIFF_META"), -1);
5468 rc = init_pair(GOT_DIFF_LINE_AUTHOR,
5469 get_color_value("TOG_COLOR_AUTHOR"), -1);
5471 rc = init_pair(GOT_DIFF_LINE_DATE,
5472 get_color_value("TOG_COLOR_DATE"), -1);
5474 err = got_error(GOT_ERR_RANGE);
5479 if (parent_view && parent_view->type == TOG_VIEW_LOG &&
5480 view_is_splitscreen(view))
5481 show_log_view(parent_view); /* draw border */
5482 diff_view_indicate_progress(view);
5484 err = create_diff(s);
5486 view->show = show_diff_view;
5487 view->input = input_diff_view;
5488 view->reset = reset_diff_view;
5489 view->close = close_diff_view;
5490 view->search_start = search_start_diff_view;
5491 view->search_setup = search_setup_diff_view;
5492 view->search_next = search_next_view_match;
5495 if (view->close == NULL)
5496 close_diff_view(view);
5502 static const struct got_error *
5503 show_diff_view(struct tog_view *view)
5505 const struct got_error *err;
5506 struct tog_diff_view_state *s = &view->state.diff;
5507 char *id_str1 = NULL, *id_str2, *header;
5508 const char *label1, *label2;
5511 err = got_object_id_str(&id_str1, s->id1);
5514 label1 = s->label1 ? s->label1 : id_str1;
5516 label1 = "/dev/null";
5518 err = got_object_id_str(&id_str2, s->id2);
5521 label2 = s->label2 ? s->label2 : id_str2;
5523 if (asprintf(&header, "diff %s %s", label1, label2) == -1) {
5524 err = got_error_from_errno("asprintf");
5532 err = draw_file(view, header);
5537 static const struct got_error *
5538 set_selected_commit(struct tog_diff_view_state *s,
5539 struct commit_queue_entry *entry)
5541 const struct got_error *err;
5542 const struct got_object_id_queue *parent_ids;
5543 struct got_commit_object *selected_commit;
5544 struct got_object_qid *pid;
5547 s->id2 = got_object_id_dup(entry->id);
5549 return got_error_from_errno("got_object_id_dup");
5551 err = got_object_open_as_commit(&selected_commit, s->repo, entry->id);
5554 parent_ids = got_object_commit_get_parent_ids(selected_commit);
5556 pid = STAILQ_FIRST(parent_ids);
5557 s->id1 = pid ? got_object_id_dup(&pid->id) : NULL;
5558 got_object_commit_close(selected_commit);
5562 static const struct got_error *
5563 reset_diff_view(struct tog_view *view)
5565 struct tog_diff_view_state *s = &view->state.diff;
5568 wclear(view->window);
5569 s->first_displayed_line = 1;
5570 s->last_displayed_line = view->nlines;
5571 s->matched_line = 0;
5572 diff_view_indicate_progress(view);
5573 return create_diff(s);
5577 diff_prev_index(struct tog_diff_view_state *s, enum got_diff_line_type type)
5581 i = start = s->first_displayed_line - 1;
5583 while (s->lines[i].type != type) {
5587 return; /* do nothing, requested type not in file */
5590 s->selected_line = 1;
5591 s->first_displayed_line = i;
5595 diff_next_index(struct tog_diff_view_state *s, enum got_diff_line_type type)
5599 i = start = s->first_displayed_line + 1;
5601 while (s->lines[i].type != type) {
5602 if (i == s->nlines - 1)
5605 return; /* do nothing, requested type not in file */
5608 s->selected_line = 1;
5609 s->first_displayed_line = i;
5612 static struct got_object_id *get_selected_commit_id(struct tog_blame_line *,
5614 static struct got_object_id *get_annotation_for_line(struct tog_blame_line *,
5617 static const struct got_error *
5618 input_diff_view(struct tog_view **new_view, struct tog_view *view, int ch)
5620 const struct got_error *err = NULL;
5621 struct tog_diff_view_state *s = &view->state.diff;
5622 struct tog_log_view_state *ls;
5623 struct commit_queue_entry *old_selected_entry;
5625 size_t linesize = 0;
5627 int i, nscroll = view->nlines - 1, up = 0;
5629 s->lineno = s->first_displayed_line - 1 + s->selected_line;
5638 horizontal_scroll_input(view, ch);
5643 s->force_text_diff = !s->force_text_diff;
5644 view->action = s->force_text_diff ?
5645 "force ASCII text enabled" :
5646 "force ASCII text disabled";
5648 else if (ch == 'w') {
5649 s->ignore_whitespace = !s->ignore_whitespace;
5650 view->action = s->ignore_whitespace ?
5651 "ignore whitespace enabled" :
5652 "ignore whitespace disabled";
5654 err = reset_diff_view(view);
5658 s->first_displayed_line = 1;
5667 s->first_displayed_line = (s->nlines - view->nlines) + 2;
5673 if (s->first_displayed_line > 1)
5674 s->first_displayed_line--;
5685 if (s->first_displayed_line == 1) {
5690 while (i++ < nscroll && s->first_displayed_line > 1)
5691 s->first_displayed_line--;
5697 s->first_displayed_line++;
5714 while (!s->eof && i++ < nscroll) {
5715 linelen = getline(&line, &linesize, s->f);
5716 s->first_displayed_line++;
5717 if (linelen == -1) {
5721 err = got_ferror(s->f, GOT_ERR_IO);
5728 diff_prev_index(s, GOT_DIFF_LINE_BLOB_MIN);
5731 diff_next_index(s, GOT_DIFF_LINE_BLOB_MIN);
5734 diff_prev_index(s, GOT_DIFF_LINE_HUNK);
5737 diff_next_index(s, GOT_DIFF_LINE_HUNK);
5740 if (s->diff_context > 0) {
5742 s->matched_line = 0;
5743 diff_view_indicate_progress(view);
5744 err = create_diff(s);
5745 if (s->first_displayed_line + view->nlines - 1 >
5747 s->first_displayed_line = 1;
5748 s->last_displayed_line = view->nlines;
5754 if (s->diff_context < GOT_DIFF_MAX_CONTEXT) {
5756 s->matched_line = 0;
5757 diff_view_indicate_progress(view);
5758 err = create_diff(s);
5770 if (s->parent_view == NULL) {
5774 s->parent_view->count = view->count;
5776 if (s->parent_view->type == TOG_VIEW_LOG) {
5777 ls = &s->parent_view->state.log;
5778 old_selected_entry = ls->selected_entry;
5780 err = input_log_view(NULL, s->parent_view,
5781 up ? KEY_UP : KEY_DOWN);
5784 view->count = s->parent_view->count;
5786 if (old_selected_entry == ls->selected_entry)
5789 err = set_selected_commit(s, ls->selected_entry);
5792 } else if (s->parent_view->type == TOG_VIEW_BLAME) {
5793 struct tog_blame_view_state *bs;
5794 struct got_object_id *id, *prev_id;
5796 bs = &s->parent_view->state.blame;
5797 prev_id = get_annotation_for_line(bs->blame.lines,
5798 bs->blame.nlines, bs->last_diffed_line);
5800 err = input_blame_view(&view, s->parent_view,
5801 up ? KEY_UP : KEY_DOWN);
5804 view->count = s->parent_view->count;
5806 if (prev_id == NULL)
5808 id = get_selected_commit_id(bs->blame.lines,
5809 bs->blame.nlines, bs->first_displayed_line,
5814 if (!got_object_id_cmp(prev_id, id))
5817 err = input_blame_view(&view, s->parent_view, KEY_ENTER);
5821 s->first_displayed_line = 1;
5822 s->last_displayed_line = view->nlines;
5823 s->matched_line = 0;
5826 diff_view_indicate_progress(view);
5827 err = create_diff(s);
5837 static const struct got_error *
5838 cmd_diff(int argc, char *argv[])
5840 const struct got_error *error;
5841 struct got_repository *repo = NULL;
5842 struct got_worktree *worktree = NULL;
5843 struct got_object_id *id1 = NULL, *id2 = NULL;
5844 char *repo_path = NULL, *cwd = NULL;
5845 char *id_str1 = NULL, *id_str2 = NULL;
5846 char *label1 = NULL, *label2 = NULL;
5847 int diff_context = 3, ignore_whitespace = 0;
5848 int ch, force_text_diff = 0;
5850 struct tog_view *view;
5851 int *pack_fds = NULL;
5853 while ((ch = getopt(argc, argv, "aC:r:w")) != -1) {
5856 force_text_diff = 1;
5859 diff_context = strtonum(optarg, 0, GOT_DIFF_MAX_CONTEXT,
5862 errx(1, "number of context lines is %s: %s",
5866 repo_path = realpath(optarg, NULL);
5867 if (repo_path == NULL)
5868 return got_error_from_errno2("realpath",
5870 got_path_strip_trailing_slashes(repo_path);
5873 ignore_whitespace = 1;
5885 usage_diff(); /* TODO show local worktree changes */
5886 } else if (argc == 2) {
5892 error = got_repo_pack_fds_open(&pack_fds);
5896 if (repo_path == NULL) {
5897 cwd = getcwd(NULL, 0);
5899 return got_error_from_errno("getcwd");
5900 error = got_worktree_open(&worktree, cwd);
5901 if (error && error->code != GOT_ERR_NOT_WORKTREE)
5905 strdup(got_worktree_get_repo_path(worktree));
5907 repo_path = strdup(cwd);
5908 if (repo_path == NULL) {
5909 error = got_error_from_errno("strdup");
5914 error = got_repo_open(&repo, repo_path, NULL, pack_fds);
5920 error = apply_unveil(got_repo_get_path(repo), NULL);
5924 error = tog_load_refs(repo, 0);
5928 error = got_repo_match_object_id(&id1, &label1, id_str1,
5929 GOT_OBJ_TYPE_ANY, &tog_refs, repo);
5933 error = got_repo_match_object_id(&id2, &label2, id_str2,
5934 GOT_OBJ_TYPE_ANY, &tog_refs, repo);
5938 view = view_open(0, 0, 0, 0, TOG_VIEW_DIFF);
5940 error = got_error_from_errno("view_open");
5943 error = open_diff_view(view, id1, id2, label1, label2, diff_context,
5944 ignore_whitespace, force_text_diff, NULL, repo);
5947 error = view_loop(view);
5954 const struct got_error *close_err = got_repo_close(repo);
5959 got_worktree_close(worktree);
5961 const struct got_error *pack_err =
5962 got_repo_pack_fds_close(pack_fds);
5975 "usage: %s blame [-c commit] [-r repository-path] path\n",
5980 struct tog_blame_line {
5982 struct got_object_id *id;
5985 static const struct got_error *
5986 draw_blame(struct tog_view *view)
5988 struct tog_blame_view_state *s = &view->state.blame;
5989 struct tog_blame *blame = &s->blame;
5990 regmatch_t *regmatch = &view->regmatch;
5991 const struct got_error *err;
5992 int lineno = 0, nprinted = 0;
5994 size_t linesize = 0;
5998 struct tog_blame_line *blame_line;
5999 struct got_object_id *prev_id = NULL;
6001 struct tog_color *tc;
6003 err = got_object_id_str(&id_str, &s->blamed_commit->id);
6008 werase(view->window);
6010 if (asprintf(&line, "commit %s", id_str) == -1) {
6011 err = got_error_from_errno("asprintf");
6016 err = format_line(&wline, &width, NULL, line, 0, view->ncols, 0, 0);
6021 if (view_needs_focus_indication(view))
6022 wstandout(view->window);
6023 tc = get_color(&s->colors, TOG_COLOR_COMMIT);
6025 wattr_on(view->window, COLOR_PAIR(tc->colorpair), NULL);
6026 waddwstr(view->window, wline);
6027 while (width++ < view->ncols)
6028 waddch(view->window, ' ');
6030 wattr_off(view->window, COLOR_PAIR(tc->colorpair), NULL);
6031 if (view_needs_focus_indication(view))
6032 wstandend(view->window);
6036 if (view->gline > blame->nlines)
6037 view->gline = blame->nlines;
6039 if (tog_io.wait_for_ui) {
6040 struct tog_blame_thread_args *bta = &s->blame.thread_args;
6043 rc = pthread_cond_wait(&bta->blame_complete, &tog_mutex);
6045 return got_error_set_errno(rc, "pthread_cond_wait");
6046 tog_io.wait_for_ui = 0;
6049 if (asprintf(&line, "[%d/%d] %s%s", view->gline ? view->gline :
6050 s->first_displayed_line - 1 + s->selected_line, blame->nlines,
6051 s->blame_complete ? "" : "annotating... ", s->path) == -1) {
6053 return got_error_from_errno("asprintf");
6056 err = format_line(&wline, &width, NULL, line, 0, view->ncols, 0, 0);
6061 waddwstr(view->window, wline);
6064 if (width < view->ncols - 1)
6065 waddch(view->window, '\n');
6069 while (nprinted < view->nlines - 2) {
6070 linelen = getline(&line, &linesize, blame->f);
6071 if (linelen == -1) {
6072 if (feof(blame->f)) {
6077 return got_ferror(blame->f, GOT_ERR_IO);
6079 if (++lineno < s->first_displayed_line)
6081 if (view->gline && !gotoline(view, &lineno, &nprinted))
6084 /* Set view->maxx based on full line length. */
6085 err = format_line(&wline, &width, NULL, line, 0, INT_MAX, 9, 1);
6092 view->maxx = MAX(view->maxx, width);
6094 if (nprinted == s->selected_line - 1)
6095 wstandout(view->window);
6097 if (blame->nlines > 0) {
6098 blame_line = &blame->lines[lineno - 1];
6099 if (blame_line->annotated && prev_id &&
6100 got_object_id_cmp(prev_id, blame_line->id) == 0 &&
6101 !(nprinted == s->selected_line - 1)) {
6102 waddstr(view->window, " ");
6103 } else if (blame_line->annotated) {
6105 err = got_object_id_str(&id_str,
6111 tc = get_color(&s->colors, TOG_COLOR_COMMIT);
6113 wattr_on(view->window,
6114 COLOR_PAIR(tc->colorpair), NULL);
6115 wprintw(view->window, "%.8s", id_str);
6117 wattr_off(view->window,
6118 COLOR_PAIR(tc->colorpair), NULL);
6120 prev_id = blame_line->id;
6122 waddstr(view->window, "........");
6126 waddstr(view->window, "........");
6130 if (nprinted == s->selected_line - 1)
6131 wstandend(view->window);
6132 waddstr(view->window, " ");
6134 if (view->ncols <= 9) {
6136 } else if (s->first_displayed_line + nprinted ==
6138 regmatch->rm_so >= 0 && regmatch->rm_so < regmatch->rm_eo) {
6139 err = add_matched_line(&width, line, view->ncols - 9, 9,
6140 view->window, view->x, regmatch);
6148 err = format_line(&wline, &width, &skip, line,
6149 view->x, view->ncols - 9, 9, 1);
6154 waddwstr(view->window, &wline[skip]);
6160 if (width <= view->ncols - 1)
6161 waddch(view->window, '\n');
6162 if (++nprinted == 1)
6163 s->first_displayed_line = lineno;
6166 s->last_displayed_line = lineno;
6173 static const struct got_error *
6174 blame_cb(void *arg, int nlines, int lineno,
6175 struct got_commit_object *commit, struct got_object_id *id)
6177 const struct got_error *err = NULL;
6178 struct tog_blame_cb_args *a = arg;
6179 struct tog_blame_line *line;
6182 if (nlines != a->nlines ||
6183 (lineno != -1 && lineno < 1) || lineno > a->nlines)
6184 return got_error(GOT_ERR_RANGE);
6186 errcode = pthread_mutex_lock(&tog_mutex);
6188 return got_error_set_errno(errcode, "pthread_mutex_lock");
6190 if (*a->quit) { /* user has quit the blame view */
6191 err = got_error(GOT_ERR_ITER_COMPLETED);
6196 goto done; /* no change in this commit */
6198 line = &a->lines[lineno - 1];
6199 if (line->annotated)
6202 line->id = got_object_id_dup(id);
6203 if (line->id == NULL) {
6204 err = got_error_from_errno("got_object_id_dup");
6207 line->annotated = 1;
6209 errcode = pthread_mutex_unlock(&tog_mutex);
6211 err = got_error_set_errno(errcode, "pthread_mutex_unlock");
6216 blame_thread(void *arg)
6218 const struct got_error *err, *close_err;
6219 struct tog_blame_thread_args *ta = arg;
6220 struct tog_blame_cb_args *a = ta->cb_args;
6221 int errcode, fd1 = -1, fd2 = -1;
6222 FILE *f1 = NULL, *f2 = NULL;
6224 fd1 = got_opentempfd();
6226 return (void *)got_error_from_errno("got_opentempfd");
6228 fd2 = got_opentempfd();
6230 err = got_error_from_errno("got_opentempfd");
6234 f1 = got_opentemp();
6236 err = (void *)got_error_from_errno("got_opentemp");
6239 f2 = got_opentemp();
6241 err = (void *)got_error_from_errno("got_opentemp");
6245 err = block_signals_used_by_main_thread();
6249 err = got_blame(ta->path, a->commit_id, ta->repo,
6250 tog_diff_algo, blame_cb, ta->cb_args,
6251 ta->cancel_cb, ta->cancel_arg, fd1, fd2, f1, f2);
6252 if (err && err->code == GOT_ERR_CANCELLED)
6255 errcode = pthread_mutex_lock(&tog_mutex);
6257 err = got_error_set_errno(errcode, "pthread_mutex_lock");
6261 close_err = got_repo_close(ta->repo);
6267 if (tog_io.wait_for_ui) {
6268 errcode = pthread_cond_signal(&ta->blame_complete);
6269 if (errcode && err == NULL)
6270 err = got_error_set_errno(errcode,
6271 "pthread_cond_signal");
6274 errcode = pthread_mutex_unlock(&tog_mutex);
6275 if (errcode && err == NULL)
6276 err = got_error_set_errno(errcode, "pthread_mutex_unlock");
6279 if (fd1 != -1 && close(fd1) == -1 && err == NULL)
6280 err = got_error_from_errno("close");
6281 if (fd2 != -1 && close(fd2) == -1 && err == NULL)
6282 err = got_error_from_errno("close");
6283 if (f1 && fclose(f1) == EOF && err == NULL)
6284 err = got_error_from_errno("fclose");
6285 if (f2 && fclose(f2) == EOF && err == NULL)
6286 err = got_error_from_errno("fclose");
6291 static struct got_object_id *
6292 get_selected_commit_id(struct tog_blame_line *lines, int nlines,
6293 int first_displayed_line, int selected_line)
6295 struct tog_blame_line *line;
6300 line = &lines[first_displayed_line - 1 + selected_line - 1];
6301 if (!line->annotated)
6307 static struct got_object_id *
6308 get_annotation_for_line(struct tog_blame_line *lines, int nlines,
6311 struct tog_blame_line *line;
6313 if (nlines <= 0 || lineno >= nlines)
6316 line = &lines[lineno - 1];
6317 if (!line->annotated)
6323 static const struct got_error *
6324 stop_blame(struct tog_blame *blame)
6326 const struct got_error *err = NULL;
6329 if (blame->thread) {
6331 errcode = pthread_mutex_unlock(&tog_mutex);
6333 return got_error_set_errno(errcode,
6334 "pthread_mutex_unlock");
6335 errcode = pthread_join(blame->thread, (void **)&err);
6337 return got_error_set_errno(errcode, "pthread_join");
6338 errcode = pthread_mutex_lock(&tog_mutex);
6340 return got_error_set_errno(errcode,
6341 "pthread_mutex_lock");
6342 if (err && err->code == GOT_ERR_ITER_COMPLETED)
6344 blame->thread = 0; //NULL;
6346 if (blame->thread_args.repo) {
6347 const struct got_error *close_err;
6348 close_err = got_repo_close(blame->thread_args.repo);
6351 blame->thread_args.repo = NULL;
6354 if (fclose(blame->f) == EOF && err == NULL)
6355 err = got_error_from_errno("fclose");
6359 for (i = 0; i < blame->nlines; i++)
6360 free(blame->lines[i].id);
6362 blame->lines = NULL;
6364 free(blame->cb_args.commit_id);
6365 blame->cb_args.commit_id = NULL;
6366 if (blame->pack_fds) {
6367 const struct got_error *pack_err =
6368 got_repo_pack_fds_close(blame->pack_fds);
6371 blame->pack_fds = NULL;
6376 static const struct got_error *
6377 cancel_blame_view(void *arg)
6379 const struct got_error *err = NULL;
6383 errcode = pthread_mutex_lock(&tog_mutex);
6385 return got_error_set_errno(errcode,
6386 "pthread_mutex_unlock");
6389 err = got_error(GOT_ERR_CANCELLED);
6391 errcode = pthread_mutex_unlock(&tog_mutex);
6393 return got_error_set_errno(errcode,
6394 "pthread_mutex_lock");
6399 static const struct got_error *
6400 run_blame(struct tog_view *view)
6402 struct tog_blame_view_state *s = &view->state.blame;
6403 struct tog_blame *blame = &s->blame;
6404 const struct got_error *err = NULL;
6405 struct got_commit_object *commit = NULL;
6406 struct got_blob_object *blob = NULL;
6407 struct got_repository *thread_repo = NULL;
6408 struct got_object_id *obj_id = NULL;
6409 int obj_type, fd = -1;
6410 int *pack_fds = NULL;
6412 err = got_object_open_as_commit(&commit, s->repo,
6413 &s->blamed_commit->id);
6417 fd = got_opentempfd();
6419 err = got_error_from_errno("got_opentempfd");
6423 err = got_object_id_by_path(&obj_id, s->repo, commit, s->path);
6427 err = got_object_get_type(&obj_type, s->repo, obj_id);
6431 if (obj_type != GOT_OBJ_TYPE_BLOB) {
6432 err = got_error(GOT_ERR_OBJ_TYPE);
6436 err = got_object_open_as_blob(&blob, s->repo, obj_id, 8192, fd);
6439 blame->f = got_opentemp();
6440 if (blame->f == NULL) {
6441 err = got_error_from_errno("got_opentemp");
6444 err = got_object_blob_dump_to_file(&blame->filesize, &blame->nlines,
6445 &blame->line_offsets, blame->f, blob);
6448 if (blame->nlines == 0) {
6449 s->blame_complete = 1;
6453 /* Don't include \n at EOF in the blame line count. */
6454 if (blame->line_offsets[blame->nlines - 1] == blame->filesize)
6457 blame->lines = calloc(blame->nlines, sizeof(*blame->lines));
6458 if (blame->lines == NULL) {
6459 err = got_error_from_errno("calloc");
6463 err = got_repo_pack_fds_open(&pack_fds);
6466 err = got_repo_open(&thread_repo, got_repo_get_path(s->repo), NULL,
6471 blame->pack_fds = pack_fds;
6472 blame->cb_args.view = view;
6473 blame->cb_args.lines = blame->lines;
6474 blame->cb_args.nlines = blame->nlines;
6475 blame->cb_args.commit_id = got_object_id_dup(&s->blamed_commit->id);
6476 if (blame->cb_args.commit_id == NULL) {
6477 err = got_error_from_errno("got_object_id_dup");
6480 blame->cb_args.quit = &s->done;
6482 blame->thread_args.path = s->path;
6483 blame->thread_args.repo = thread_repo;
6484 blame->thread_args.cb_args = &blame->cb_args;
6485 blame->thread_args.complete = &s->blame_complete;
6486 blame->thread_args.cancel_cb = cancel_blame_view;
6487 blame->thread_args.cancel_arg = &s->done;
6488 s->blame_complete = 0;
6490 if (s->first_displayed_line + view->nlines - 1 > blame->nlines) {
6491 s->first_displayed_line = 1;
6492 s->last_displayed_line = view->nlines;
6493 s->selected_line = 1;
6495 s->matched_line = 0;
6499 got_object_commit_close(commit);
6500 if (fd != -1 && close(fd) == -1 && err == NULL)
6501 err = got_error_from_errno("close");
6503 got_object_blob_close(blob);
6510 static const struct got_error *
6511 open_blame_view(struct tog_view *view, char *path,
6512 struct got_object_id *commit_id, struct got_repository *repo)
6514 const struct got_error *err = NULL;
6515 struct tog_blame_view_state *s = &view->state.blame;
6517 STAILQ_INIT(&s->blamed_commits);
6519 s->path = strdup(path);
6520 if (s->path == NULL)
6521 return got_error_from_errno("strdup");
6523 err = got_object_qid_alloc(&s->blamed_commit, commit_id);
6529 STAILQ_INSERT_HEAD(&s->blamed_commits, s->blamed_commit, entry);
6530 s->first_displayed_line = 1;
6531 s->last_displayed_line = view->nlines;
6532 s->selected_line = 1;
6533 s->blame_complete = 0;
6535 s->commit_id = commit_id;
6536 memset(&s->blame, 0, sizeof(s->blame));
6538 STAILQ_INIT(&s->colors);
6539 if (has_colors() && getenv("TOG_COLORS") != NULL) {
6540 err = add_color(&s->colors, "^", TOG_COLOR_COMMIT,
6541 get_color_value("TOG_COLOR_COMMIT"));
6546 view->show = show_blame_view;
6547 view->input = input_blame_view;
6548 view->reset = reset_blame_view;
6549 view->close = close_blame_view;
6550 view->search_start = search_start_blame_view;
6551 view->search_setup = search_setup_blame_view;
6552 view->search_next = search_next_view_match;
6554 if (using_mock_io) {
6555 struct tog_blame_thread_args *bta = &s->blame.thread_args;
6558 rc = pthread_cond_init(&bta->blame_complete, NULL);
6560 return got_error_set_errno(rc, "pthread_cond_init");
6563 return run_blame(view);
6566 static const struct got_error *
6567 close_blame_view(struct tog_view *view)
6569 const struct got_error *err = NULL;
6570 struct tog_blame_view_state *s = &view->state.blame;
6572 if (s->blame.thread)
6573 err = stop_blame(&s->blame);
6575 while (!STAILQ_EMPTY(&s->blamed_commits)) {
6576 struct got_object_qid *blamed_commit;
6577 blamed_commit = STAILQ_FIRST(&s->blamed_commits);
6578 STAILQ_REMOVE_HEAD(&s->blamed_commits, entry);
6579 got_object_qid_free(blamed_commit);
6582 if (using_mock_io) {
6583 struct tog_blame_thread_args *bta = &s->blame.thread_args;
6586 rc = pthread_cond_destroy(&bta->blame_complete);
6587 if (rc && err == NULL)
6588 err = got_error_set_errno(rc, "pthread_cond_destroy");
6592 free_colors(&s->colors);
6596 static const struct got_error *
6597 search_start_blame_view(struct tog_view *view)
6599 struct tog_blame_view_state *s = &view->state.blame;
6601 s->matched_line = 0;
6606 search_setup_blame_view(struct tog_view *view, FILE **f, off_t **line_offsets,
6607 size_t *nlines, int **first, int **last, int **match, int **selected)
6609 struct tog_blame_view_state *s = &view->state.blame;
6612 *nlines = s->blame.nlines;
6613 *line_offsets = s->blame.line_offsets;
6614 *match = &s->matched_line;
6615 *first = &s->first_displayed_line;
6616 *last = &s->last_displayed_line;
6617 *selected = &s->selected_line;
6620 static const struct got_error *
6621 show_blame_view(struct tog_view *view)
6623 const struct got_error *err = NULL;
6624 struct tog_blame_view_state *s = &view->state.blame;
6627 if (s->blame.thread == 0 && !s->blame_complete) {
6628 errcode = pthread_create(&s->blame.thread, NULL, blame_thread,
6629 &s->blame.thread_args);
6631 return got_error_set_errno(errcode, "pthread_create");
6634 halfdelay(1); /* fast refresh while annotating */
6637 if (s->blame_complete && !using_mock_io)
6638 halfdelay(10); /* disable fast refresh */
6640 err = draw_blame(view);
6646 static const struct got_error *
6647 log_annotated_line(struct tog_view **new_view, int begin_y, int begin_x,
6648 struct got_repository *repo, struct got_object_id *id)
6650 struct tog_view *log_view;
6651 const struct got_error *err = NULL;
6655 log_view = view_open(0, 0, begin_y, begin_x, TOG_VIEW_LOG);
6656 if (log_view == NULL)
6657 return got_error_from_errno("view_open");
6659 err = open_log_view(log_view, id, repo, GOT_REF_HEAD, "", 0);
6661 view_close(log_view);
6663 *new_view = log_view;
6668 static const struct got_error *
6669 input_blame_view(struct tog_view **new_view, struct tog_view *view, int ch)
6671 const struct got_error *err = NULL, *thread_err = NULL;
6672 struct tog_view *diff_view;
6673 struct tog_blame_view_state *s = &view->state.blame;
6674 int eos, nscroll, begin_y = 0, begin_x = 0;
6676 eos = nscroll = view->nlines - 2;
6677 if (view_is_hsplit_top(view))
6687 horizontal_scroll_input(view, ch);
6694 s->selected_line = 1;
6695 s->first_displayed_line = 1;
6700 if (s->blame.nlines < eos) {
6701 s->selected_line = s->blame.nlines;
6702 s->first_displayed_line = 1;
6704 s->selected_line = eos;
6705 s->first_displayed_line = s->blame.nlines - (eos - 1);
6712 if (s->selected_line > 1)
6714 else if (s->selected_line == 1 &&
6715 s->first_displayed_line > 1)
6716 s->first_displayed_line--;
6727 if (s->first_displayed_line == 1) {
6728 if (view->count > 1)
6730 s->selected_line = MAX(1, s->selected_line - nscroll);
6734 if (s->first_displayed_line > nscroll)
6735 s->first_displayed_line -= nscroll;
6737 s->first_displayed_line = 1;
6742 if (s->selected_line < eos && s->first_displayed_line +
6743 s->selected_line <= s->blame.nlines)
6745 else if (s->first_displayed_line < s->blame.nlines - (eos - 1))
6746 s->first_displayed_line++;
6752 struct got_object_id *id = NULL;
6755 id = get_selected_commit_id(s->blame.lines, s->blame.nlines,
6756 s->first_displayed_line, s->selected_line);
6760 struct got_commit_object *commit, *pcommit;
6761 struct got_object_qid *pid;
6762 struct got_object_id *blob_id = NULL;
6764 err = got_object_open_as_commit(&commit,
6769 got_object_commit_get_parent_ids(commit));
6771 got_object_commit_close(commit);
6774 /* Check if path history ends here. */
6775 err = got_object_open_as_commit(&pcommit,
6779 err = got_object_id_by_path(&blob_id, s->repo,
6781 got_object_commit_close(pcommit);
6783 if (err->code == GOT_ERR_NO_TREE_ENTRY)
6785 got_object_commit_close(commit);
6788 err = got_object_get_type(&obj_type, s->repo,
6791 /* Can't blame non-blob type objects. */
6792 if (obj_type != GOT_OBJ_TYPE_BLOB) {
6793 got_object_commit_close(commit);
6796 err = got_object_qid_alloc(&s->blamed_commit,
6798 got_object_commit_close(commit);
6800 if (got_object_id_cmp(id,
6801 &s->blamed_commit->id) == 0)
6803 err = got_object_qid_alloc(&s->blamed_commit,
6809 thread_err = stop_blame(&s->blame);
6813 STAILQ_INSERT_HEAD(&s->blamed_commits,
6814 s->blamed_commit, entry);
6815 err = run_blame(view);
6821 struct got_object_qid *first;
6824 first = STAILQ_FIRST(&s->blamed_commits);
6825 if (!got_object_id_cmp(&first->id, s->commit_id))
6828 thread_err = stop_blame(&s->blame);
6832 STAILQ_REMOVE_HEAD(&s->blamed_commits, entry);
6833 got_object_qid_free(s->blamed_commit);
6835 STAILQ_FIRST(&s->blamed_commits);
6836 err = run_blame(view);
6843 s->id_to_log = get_selected_commit_id(s->blame.lines,
6844 s->blame.nlines, s->first_displayed_line, s->selected_line);
6846 err = view_request_new(new_view, view, TOG_VIEW_LOG);
6850 struct got_object_id *id = NULL;
6851 struct got_object_qid *pid;
6852 struct got_commit_object *commit = NULL;
6855 id = get_selected_commit_id(s->blame.lines, s->blame.nlines,
6856 s->first_displayed_line, s->selected_line);
6859 err = got_object_open_as_commit(&commit, s->repo, id);
6862 pid = STAILQ_FIRST(got_object_commit_get_parent_ids(commit));
6864 /* traversed from diff view, release diff resources */
6865 err = close_diff_view(*new_view);
6868 diff_view = *new_view;
6870 if (view_is_parent_view(view))
6871 view_get_split(view, &begin_y, &begin_x);
6873 diff_view = view_open(0, 0, begin_y, begin_x,
6875 if (diff_view == NULL) {
6876 got_object_commit_close(commit);
6877 err = got_error_from_errno("view_open");
6881 err = open_diff_view(diff_view, pid ? &pid->id : NULL,
6882 id, NULL, NULL, 3, 0, 0, view, s->repo);
6883 got_object_commit_close(commit);
6885 view_close(diff_view);
6888 s->last_diffed_line = s->first_displayed_line - 1 +
6891 break; /* still open from active diff view */
6892 if (view_is_parent_view(view) &&
6893 view->mode == TOG_VIEW_SPLIT_HRZN) {
6894 err = view_init_hsplit(view, begin_y);
6900 diff_view->focussed = 1;
6901 diff_view->mode = view->mode;
6902 diff_view->nlines = view->lines - begin_y;
6903 if (view_is_parent_view(view)) {
6904 view_transfer_size(diff_view, view);
6905 err = view_close_child(view);
6908 err = view_set_child(view, diff_view);
6911 view->focus_child = 1;
6913 *new_view = diff_view;
6926 if (s->last_displayed_line >= s->blame.nlines &&
6927 s->selected_line >= MIN(s->blame.nlines,
6928 view->nlines - 2)) {
6932 if (s->last_displayed_line >= s->blame.nlines &&
6933 s->selected_line < view->nlines - 2) {
6935 MIN(nscroll, s->last_displayed_line -
6936 s->first_displayed_line - s->selected_line + 1);
6938 if (s->last_displayed_line + nscroll <= s->blame.nlines)
6939 s->first_displayed_line += nscroll;
6941 s->first_displayed_line =
6942 s->blame.nlines - (view->nlines - 3);
6945 if (s->selected_line > view->nlines - 2) {
6946 s->selected_line = MIN(s->blame.nlines,
6954 return thread_err ? thread_err : err;
6957 static const struct got_error *
6958 reset_blame_view(struct tog_view *view)
6960 const struct got_error *err;
6961 struct tog_blame_view_state *s = &view->state.blame;
6965 err = stop_blame(&s->blame);
6969 return run_blame(view);
6972 static const struct got_error *
6973 cmd_blame(int argc, char *argv[])
6975 const struct got_error *error;
6976 struct got_repository *repo = NULL;
6977 struct got_worktree *worktree = NULL;
6978 char *cwd = NULL, *repo_path = NULL, *in_repo_path = NULL;
6979 char *link_target = NULL;
6980 struct got_object_id *commit_id = NULL;
6981 struct got_commit_object *commit = NULL;
6982 char *commit_id_str = NULL;
6984 struct tog_view *view = NULL;
6985 int *pack_fds = NULL;
6987 while ((ch = getopt(argc, argv, "c:r:")) != -1) {
6990 commit_id_str = optarg;
6993 repo_path = realpath(optarg, NULL);
6994 if (repo_path == NULL)
6995 return got_error_from_errno2("realpath",
7010 error = got_repo_pack_fds_open(&pack_fds);
7014 if (repo_path == NULL) {
7015 cwd = getcwd(NULL, 0);
7017 return got_error_from_errno("getcwd");
7018 error = got_worktree_open(&worktree, cwd);
7019 if (error && error->code != GOT_ERR_NOT_WORKTREE)
7023 strdup(got_worktree_get_repo_path(worktree));
7025 repo_path = strdup(cwd);
7026 if (repo_path == NULL) {
7027 error = got_error_from_errno("strdup");
7032 error = got_repo_open(&repo, repo_path, NULL, pack_fds);
7036 error = get_in_repo_path_from_argv0(&in_repo_path, argc, argv, repo,
7043 error = apply_unveil(got_repo_get_path(repo), NULL);
7047 error = tog_load_refs(repo, 0);
7051 if (commit_id_str == NULL) {
7052 struct got_reference *head_ref;
7053 error = got_ref_open(&head_ref, repo, worktree ?
7054 got_worktree_get_head_ref_name(worktree) : GOT_REF_HEAD, 0);
7057 error = got_ref_resolve(&commit_id, repo, head_ref);
7058 got_ref_close(head_ref);
7060 error = got_repo_match_object_id(&commit_id, NULL,
7061 commit_id_str, GOT_OBJ_TYPE_COMMIT, &tog_refs, repo);
7066 error = got_object_open_as_commit(&commit, repo, commit_id);
7070 error = got_object_resolve_symlinks(&link_target, in_repo_path,
7075 view = view_open(0, 0, 0, 0, TOG_VIEW_BLAME);
7077 error = got_error_from_errno("view_open");
7080 error = open_blame_view(view, link_target ? link_target : in_repo_path,
7082 if (error != NULL) {
7083 if (view->close == NULL)
7084 close_blame_view(view);
7089 /* Release work tree lock. */
7090 got_worktree_close(worktree);
7093 error = view_loop(view);
7101 got_object_commit_close(commit);
7103 got_worktree_close(worktree);
7105 const struct got_error *close_err = got_repo_close(repo);
7110 const struct got_error *pack_err =
7111 got_repo_pack_fds_close(pack_fds);
7119 static const struct got_error *
7120 draw_tree_entries(struct tog_view *view, const char *parent_path)
7122 struct tog_tree_view_state *s = &view->state.tree;
7123 const struct got_error *err = NULL;
7124 struct got_tree_entry *te;
7127 struct tog_color *tc;
7128 int width, n, nentries, scrollx, i = 1;
7129 int limit = view->nlines;
7132 if (view_is_hsplit_top(view))
7133 --limit; /* border */
7135 werase(view->window);
7140 err = format_line(&wline, &width, NULL, s->tree_label, 0, view->ncols,
7144 if (view_needs_focus_indication(view))
7145 wstandout(view->window);
7146 tc = get_color(&s->colors, TOG_COLOR_COMMIT);
7148 wattr_on(view->window, COLOR_PAIR(tc->colorpair), NULL);
7149 waddwstr(view->window, wline);
7152 while (width++ < view->ncols)
7153 waddch(view->window, ' ');
7155 wattr_off(view->window, COLOR_PAIR(tc->colorpair), NULL);
7156 if (view_needs_focus_indication(view))
7157 wstandend(view->window);
7162 if (s->first_displayed_entry) {
7163 i += got_tree_entry_get_index(s->first_displayed_entry);
7164 if (s->tree != s->root)
7165 ++i; /* account for ".." entry */
7167 nentries = got_object_tree_get_nentries(s->tree);
7168 if (asprintf(&index, "[%d/%d] %s",
7169 i, nentries + (s->tree == s->root ? 0 : 1), parent_path) == -1)
7170 return got_error_from_errno("asprintf");
7171 err = format_line(&wline, &width, NULL, index, 0, view->ncols, 0, 0);
7175 waddwstr(view->window, wline);
7178 if (width < view->ncols - 1)
7179 waddch(view->window, '\n');
7182 waddch(view->window, '\n');
7186 if (s->first_displayed_entry == NULL) {
7187 te = got_object_tree_get_first_entry(s->tree);
7188 if (s->selected == 0) {
7190 wstandout(view->window);
7191 s->selected_entry = NULL;
7193 waddstr(view->window, " ..\n"); /* parent directory */
7194 if (s->selected == 0 && view->focussed)
7195 wstandend(view->window);
7202 te = s->first_displayed_entry;
7206 for (i = got_tree_entry_get_index(te); i < nentries; i++) {
7207 char *line = NULL, *id_str = NULL, *link_target = NULL;
7208 const char *modestr = "";
7211 te = got_object_tree_get_entry(s->tree, i);
7212 mode = got_tree_entry_get_mode(te);
7215 err = got_object_id_str(&id_str,
7216 got_tree_entry_get_id(te));
7218 return got_error_from_errno(
7219 "got_object_id_str");
7221 if (got_object_tree_entry_is_submodule(te))
7223 else if (S_ISLNK(mode)) {
7226 err = got_tree_entry_get_symlink_target(&link_target,
7232 for (i = 0; i < strlen(link_target); i++) {
7233 if (!isprint((unsigned char)link_target[i]))
7234 link_target[i] = '?';
7238 else if (S_ISDIR(mode))
7240 else if (mode & S_IXUSR)
7242 if (asprintf(&line, "%s %s%s%s%s", id_str ? id_str : "",
7243 got_tree_entry_get_name(te), modestr,
7244 link_target ? " -> ": "",
7245 link_target ? link_target : "") == -1) {
7248 return got_error_from_errno("asprintf");
7253 /* use full line width to determine view->maxx */
7254 err = format_line(&wline, &width, NULL, line, 0, INT_MAX, 0, 0);
7259 view->maxx = MAX(view->maxx, width);
7263 err = format_line(&wline, &width, &scrollx, line, view->x,
7269 if (n == s->selected) {
7271 wstandout(view->window);
7272 s->selected_entry = te;
7274 tc = match_color(&s->colors, line);
7276 wattr_on(view->window,
7277 COLOR_PAIR(tc->colorpair), NULL);
7278 waddwstr(view->window, &wline[scrollx]);
7280 wattr_off(view->window,
7281 COLOR_PAIR(tc->colorpair), NULL);
7282 if (width < view->ncols)
7283 waddch(view->window, '\n');
7284 if (n == s->selected && view->focussed)
7285 wstandend(view->window);
7291 s->last_displayed_entry = te;
7300 tree_scroll_up(struct tog_tree_view_state *s, int maxscroll)
7302 struct got_tree_entry *te;
7303 int isroot = s->tree == s->root;
7306 if (s->first_displayed_entry == NULL)
7309 te = got_tree_entry_get_prev(s->tree, s->first_displayed_entry);
7310 while (i++ < maxscroll) {
7313 s->first_displayed_entry = NULL;
7316 s->first_displayed_entry = te;
7317 te = got_tree_entry_get_prev(s->tree, te);
7321 static const struct got_error *
7322 tree_scroll_down(struct tog_view *view, int maxscroll)
7324 struct tog_tree_view_state *s = &view->state.tree;
7325 struct got_tree_entry *next, *last;
7328 if (s->first_displayed_entry)
7329 next = got_tree_entry_get_next(s->tree,
7330 s->first_displayed_entry);
7332 next = got_object_tree_get_first_entry(s->tree);
7334 last = s->last_displayed_entry;
7335 while (next && n++ < maxscroll) {
7337 s->last_displayed_entry = last;
7338 last = got_tree_entry_get_next(s->tree, last);
7340 if (last || (view->mode == TOG_VIEW_SPLIT_HRZN && next)) {
7341 s->first_displayed_entry = next;
7342 next = got_tree_entry_get_next(s->tree, next);
7349 static const struct got_error *
7350 tree_entry_path(char **path, struct tog_parent_trees *parents,
7351 struct got_tree_entry *te)
7353 const struct got_error *err = NULL;
7354 struct tog_parent_tree *pt;
7355 size_t len = 2; /* for leading slash and NUL */
7357 TAILQ_FOREACH(pt, parents, entry)
7358 len += strlen(got_tree_entry_get_name(pt->selected_entry))
7361 len += strlen(got_tree_entry_get_name(te));
7363 *path = calloc(1, len);
7365 return got_error_from_errno("calloc");
7368 pt = TAILQ_LAST(parents, tog_parent_trees);
7370 const char *name = got_tree_entry_get_name(pt->selected_entry);
7371 if (strlcat(*path, name, len) >= len) {
7372 err = got_error(GOT_ERR_NO_SPACE);
7375 if (strlcat(*path, "/", len) >= len) {
7376 err = got_error(GOT_ERR_NO_SPACE);
7379 pt = TAILQ_PREV(pt, tog_parent_trees, entry);
7382 if (strlcat(*path, got_tree_entry_get_name(te), len) >= len) {
7383 err = got_error(GOT_ERR_NO_SPACE);
7395 static const struct got_error *
7396 blame_tree_entry(struct tog_view **new_view, int begin_y, int begin_x,
7397 struct got_tree_entry *te, struct tog_parent_trees *parents,
7398 struct got_object_id *commit_id, struct got_repository *repo)
7400 const struct got_error *err = NULL;
7402 struct tog_view *blame_view;
7406 err = tree_entry_path(&path, parents, te);
7410 blame_view = view_open(0, 0, begin_y, begin_x, TOG_VIEW_BLAME);
7411 if (blame_view == NULL) {
7412 err = got_error_from_errno("view_open");
7416 err = open_blame_view(blame_view, path, commit_id, repo);
7418 if (err->code == GOT_ERR_CANCELLED)
7420 view_close(blame_view);
7422 *new_view = blame_view;
7428 static const struct got_error *
7429 log_selected_tree_entry(struct tog_view **new_view, int begin_y, int begin_x,
7430 struct tog_tree_view_state *s)
7432 struct tog_view *log_view;
7433 const struct got_error *err = NULL;
7438 log_view = view_open(0, 0, begin_y, begin_x, TOG_VIEW_LOG);
7439 if (log_view == NULL)
7440 return got_error_from_errno("view_open");
7442 err = tree_entry_path(&path, &s->parents, s->selected_entry);
7446 err = open_log_view(log_view, s->commit_id, s->repo, s->head_ref_name,
7449 view_close(log_view);
7451 *new_view = log_view;
7456 static const struct got_error *
7457 open_tree_view(struct tog_view *view, struct got_object_id *commit_id,
7458 const char *head_ref_name, struct got_repository *repo)
7460 const struct got_error *err = NULL;
7461 char *commit_id_str = NULL;
7462 struct tog_tree_view_state *s = &view->state.tree;
7463 struct got_commit_object *commit = NULL;
7465 TAILQ_INIT(&s->parents);
7466 STAILQ_INIT(&s->colors);
7468 s->commit_id = got_object_id_dup(commit_id);
7469 if (s->commit_id == NULL) {
7470 err = got_error_from_errno("got_object_id_dup");
7474 err = got_object_open_as_commit(&commit, repo, commit_id);
7479 * The root is opened here and will be closed when the view is closed.
7480 * Any visited subtrees and their path-wise parents are opened and
7483 err = got_object_open_as_tree(&s->root, repo,
7484 got_object_commit_get_tree_id(commit));
7489 err = got_object_id_str(&commit_id_str, commit_id);
7493 if (asprintf(&s->tree_label, "commit %s", commit_id_str) == -1) {
7494 err = got_error_from_errno("asprintf");
7498 s->first_displayed_entry = got_object_tree_get_entry(s->tree, 0);
7499 s->selected_entry = got_object_tree_get_entry(s->tree, 0);
7500 if (head_ref_name) {
7501 s->head_ref_name = strdup(head_ref_name);
7502 if (s->head_ref_name == NULL) {
7503 err = got_error_from_errno("strdup");
7509 if (has_colors() && getenv("TOG_COLORS") != NULL) {
7510 err = add_color(&s->colors, "\\$$",
7511 TOG_COLOR_TREE_SUBMODULE,
7512 get_color_value("TOG_COLOR_TREE_SUBMODULE"));
7515 err = add_color(&s->colors, "@$", TOG_COLOR_TREE_SYMLINK,
7516 get_color_value("TOG_COLOR_TREE_SYMLINK"));
7519 err = add_color(&s->colors, "/$",
7520 TOG_COLOR_TREE_DIRECTORY,
7521 get_color_value("TOG_COLOR_TREE_DIRECTORY"));
7525 err = add_color(&s->colors, "\\*$",
7526 TOG_COLOR_TREE_EXECUTABLE,
7527 get_color_value("TOG_COLOR_TREE_EXECUTABLE"));
7531 err = add_color(&s->colors, "^$", TOG_COLOR_COMMIT,
7532 get_color_value("TOG_COLOR_COMMIT"));
7537 view->show = show_tree_view;
7538 view->input = input_tree_view;
7539 view->close = close_tree_view;
7540 view->search_start = search_start_tree_view;
7541 view->search_next = search_next_tree_view;
7543 free(commit_id_str);
7545 got_object_commit_close(commit);
7547 if (view->close == NULL)
7548 close_tree_view(view);
7554 static const struct got_error *
7555 close_tree_view(struct tog_view *view)
7557 struct tog_tree_view_state *s = &view->state.tree;
7559 free_colors(&s->colors);
7560 free(s->tree_label);
7561 s->tree_label = NULL;
7563 s->commit_id = NULL;
7564 free(s->head_ref_name);
7565 s->head_ref_name = NULL;
7566 while (!TAILQ_EMPTY(&s->parents)) {
7567 struct tog_parent_tree *parent;
7568 parent = TAILQ_FIRST(&s->parents);
7569 TAILQ_REMOVE(&s->parents, parent, entry);
7570 if (parent->tree != s->root)
7571 got_object_tree_close(parent->tree);
7575 if (s->tree != NULL && s->tree != s->root)
7576 got_object_tree_close(s->tree);
7578 got_object_tree_close(s->root);
7582 static const struct got_error *
7583 search_start_tree_view(struct tog_view *view)
7585 struct tog_tree_view_state *s = &view->state.tree;
7587 s->matched_entry = NULL;
7592 match_tree_entry(struct got_tree_entry *te, regex_t *regex)
7594 regmatch_t regmatch;
7596 return regexec(regex, got_tree_entry_get_name(te), 1, ®match,
7600 static const struct got_error *
7601 search_next_tree_view(struct tog_view *view)
7603 struct tog_tree_view_state *s = &view->state.tree;
7604 struct got_tree_entry *te = NULL;
7606 if (!view->searching) {
7607 view->search_next_done = TOG_SEARCH_HAVE_MORE;
7611 if (s->matched_entry) {
7612 if (view->searching == TOG_SEARCH_FORWARD) {
7613 if (s->selected_entry)
7614 te = got_tree_entry_get_next(s->tree,
7617 te = got_object_tree_get_first_entry(s->tree);
7619 if (s->selected_entry == NULL)
7620 te = got_object_tree_get_last_entry(s->tree);
7622 te = got_tree_entry_get_prev(s->tree,
7626 if (s->selected_entry)
7627 te = s->selected_entry;
7628 else if (view->searching == TOG_SEARCH_FORWARD)
7629 te = got_object_tree_get_first_entry(s->tree);
7631 te = got_object_tree_get_last_entry(s->tree);
7636 if (s->matched_entry == NULL) {
7637 view->search_next_done = TOG_SEARCH_HAVE_MORE;
7640 if (view->searching == TOG_SEARCH_FORWARD)
7641 te = got_object_tree_get_first_entry(s->tree);
7643 te = got_object_tree_get_last_entry(s->tree);
7646 if (match_tree_entry(te, &view->regex)) {
7647 view->search_next_done = TOG_SEARCH_HAVE_MORE;
7648 s->matched_entry = te;
7652 if (view->searching == TOG_SEARCH_FORWARD)
7653 te = got_tree_entry_get_next(s->tree, te);
7655 te = got_tree_entry_get_prev(s->tree, te);
7658 if (s->matched_entry) {
7659 s->first_displayed_entry = s->matched_entry;
7666 static const struct got_error *
7667 show_tree_view(struct tog_view *view)
7669 const struct got_error *err = NULL;
7670 struct tog_tree_view_state *s = &view->state.tree;
7673 err = tree_entry_path(&parent_path, &s->parents, NULL);
7677 err = draw_tree_entries(view, parent_path);
7684 static const struct got_error *
7685 tree_goto_line(struct tog_view *view, int nlines)
7687 const struct got_error *err = NULL;
7688 struct tog_tree_view_state *s = &view->state.tree;
7689 struct got_tree_entry **fte, **lte, **ste;
7690 int g, last, first = 1, i = 1;
7691 int root = s->tree == s->root;
7692 int off = root ? 1 : 2;
7699 else if (g > got_object_tree_get_nentries(s->tree))
7700 g = got_object_tree_get_nentries(s->tree) + (root ? 0 : 1);
7702 fte = &s->first_displayed_entry;
7703 lte = &s->last_displayed_entry;
7704 ste = &s->selected_entry;
7707 first = got_tree_entry_get_index(*fte);
7708 first += off; /* account for ".." */
7710 last = got_tree_entry_get_index(*lte);
7713 if (g >= first && g <= last && g - first < nlines) {
7714 s->selected = g - first;
7715 return NULL; /* gline is on the current page */
7719 i = got_tree_entry_get_index(*ste);
7724 err = tree_scroll_down(view, g - i);
7727 if (got_tree_entry_get_index(*lte) >=
7728 got_object_tree_get_nentries(s->tree) - 1 &&
7729 first + s->selected < g &&
7730 s->selected < s->ndisplayed - 1) {
7731 first = got_tree_entry_get_index(*fte);
7733 s->selected = g - first;
7736 tree_scroll_up(s, i - g);
7739 (*fte == NULL || (root && !got_tree_entry_get_index(*fte))))
7740 s->selected = g - 1;
7745 static const struct got_error *
7746 input_tree_view(struct tog_view **new_view, struct tog_view *view, int ch)
7748 const struct got_error *err = NULL;
7749 struct tog_tree_view_state *s = &view->state.tree;
7750 struct got_tree_entry *te;
7751 int n, nscroll = view->nlines - 3;
7754 return tree_goto_line(view, nscroll);
7763 horizontal_scroll_input(view, ch);
7766 s->show_ids = !s->show_ids;
7771 if (!s->selected_entry)
7773 err = view_request_new(new_view, view, TOG_VIEW_LOG);
7777 err = view_request_new(new_view, view, TOG_VIEW_REF);
7784 if (s->tree == s->root)
7785 s->first_displayed_entry =
7786 got_object_tree_get_first_entry(s->tree);
7788 s->first_displayed_entry = NULL;
7793 int eos = view->nlines - 3;
7795 if (view->mode == TOG_VIEW_SPLIT_HRZN)
7799 te = got_object_tree_get_last_entry(s->tree);
7800 for (n = 0; n < eos; n++) {
7802 if (s->tree != s->root) {
7803 s->first_displayed_entry = NULL;
7808 s->first_displayed_entry = te;
7809 te = got_tree_entry_get_prev(s->tree, te);
7812 s->selected = n - 1;
7818 if (s->selected > 0) {
7822 tree_scroll_up(s, 1);
7823 if (s->selected_entry == NULL ||
7824 (s->tree == s->root && s->selected_entry ==
7825 got_object_tree_get_first_entry(s->tree)))
7835 if (s->tree == s->root) {
7836 if (got_object_tree_get_first_entry(s->tree) ==
7837 s->first_displayed_entry)
7838 s->selected -= MIN(s->selected, nscroll);
7840 if (s->first_displayed_entry == NULL)
7841 s->selected -= MIN(s->selected, nscroll);
7843 tree_scroll_up(s, MAX(0, nscroll));
7844 if (s->selected_entry == NULL ||
7845 (s->tree == s->root && s->selected_entry ==
7846 got_object_tree_get_first_entry(s->tree)))
7852 if (s->selected < s->ndisplayed - 1) {
7856 if (got_tree_entry_get_next(s->tree, s->last_displayed_entry)
7858 /* can't scroll any further */
7862 tree_scroll_down(view, 1);
7872 if (got_tree_entry_get_next(s->tree, s->last_displayed_entry)
7874 /* can't scroll any further; move cursor down */
7875 if (s->selected < s->ndisplayed - 1)
7876 s->selected += MIN(nscroll,
7877 s->ndisplayed - s->selected - 1);
7882 tree_scroll_down(view, nscroll);
7887 if (s->selected_entry == NULL || ch == KEY_BACKSPACE) {
7888 struct tog_parent_tree *parent;
7889 /* user selected '..' */
7890 if (s->tree == s->root) {
7894 parent = TAILQ_FIRST(&s->parents);
7895 TAILQ_REMOVE(&s->parents, parent,
7897 got_object_tree_close(s->tree);
7898 s->tree = parent->tree;
7899 s->first_displayed_entry =
7900 parent->first_displayed_entry;
7902 parent->selected_entry;
7903 s->selected = parent->selected;
7904 if (s->selected > view->nlines - 3) {
7905 err = offset_selection_down(view);
7910 } else if (S_ISDIR(got_tree_entry_get_mode(
7911 s->selected_entry))) {
7912 struct got_tree_object *subtree;
7914 err = got_object_open_as_tree(&subtree, s->repo,
7915 got_tree_entry_get_id(s->selected_entry));
7918 err = tree_view_visit_subtree(s, subtree);
7920 got_object_tree_close(subtree);
7923 } else if (S_ISREG(got_tree_entry_get_mode(s->selected_entry)))
7924 err = view_request_new(new_view, view, TOG_VIEW_BLAME);
7927 if (view->nlines >= 4 && s->selected >= view->nlines - 3)
7928 s->selected = view->nlines - 4;
7944 "usage: %s tree [-c commit] [-r repository-path] [path]\n",
7949 static const struct got_error *
7950 cmd_tree(int argc, char *argv[])
7952 const struct got_error *error;
7953 struct got_repository *repo = NULL;
7954 struct got_worktree *worktree = NULL;
7955 char *cwd = NULL, *repo_path = NULL, *in_repo_path = NULL;
7956 struct got_object_id *commit_id = NULL;
7957 struct got_commit_object *commit = NULL;
7958 const char *commit_id_arg = NULL;
7960 struct got_reference *ref = NULL;
7961 const char *head_ref_name = NULL;
7963 struct tog_view *view;
7964 int *pack_fds = NULL;
7966 while ((ch = getopt(argc, argv, "c:r:")) != -1) {
7969 commit_id_arg = optarg;
7972 repo_path = realpath(optarg, NULL);
7973 if (repo_path == NULL)
7974 return got_error_from_errno2("realpath",
7989 error = got_repo_pack_fds_open(&pack_fds);
7993 if (repo_path == NULL) {
7994 cwd = getcwd(NULL, 0);
7996 return got_error_from_errno("getcwd");
7997 error = got_worktree_open(&worktree, cwd);
7998 if (error && error->code != GOT_ERR_NOT_WORKTREE)
8002 strdup(got_worktree_get_repo_path(worktree));
8004 repo_path = strdup(cwd);
8005 if (repo_path == NULL) {
8006 error = got_error_from_errno("strdup");
8011 error = got_repo_open(&repo, repo_path, NULL, pack_fds);
8015 error = get_in_repo_path_from_argv0(&in_repo_path, argc, argv,
8022 error = apply_unveil(got_repo_get_path(repo), NULL);
8026 error = tog_load_refs(repo, 0);
8030 if (commit_id_arg == NULL) {
8031 error = got_repo_match_object_id(&commit_id, &label,
8032 worktree ? got_worktree_get_head_ref_name(worktree) :
8033 GOT_REF_HEAD, GOT_OBJ_TYPE_COMMIT, &tog_refs, repo);
8036 head_ref_name = label;
8038 error = got_ref_open(&ref, repo, commit_id_arg, 0);
8040 head_ref_name = got_ref_get_name(ref);
8041 else if (error->code != GOT_ERR_NOT_REF)
8043 error = got_repo_match_object_id(&commit_id, NULL,
8044 commit_id_arg, GOT_OBJ_TYPE_COMMIT, &tog_refs, repo);
8049 error = got_object_open_as_commit(&commit, repo, commit_id);
8053 view = view_open(0, 0, 0, 0, TOG_VIEW_TREE);
8055 error = got_error_from_errno("view_open");
8058 error = open_tree_view(view, commit_id, head_ref_name, repo);
8061 if (!got_path_is_root_dir(in_repo_path)) {
8062 error = tree_view_walk_path(&view->state.tree, commit,
8069 /* Release work tree lock. */
8070 got_worktree_close(worktree);
8073 error = view_loop(view);
8082 const struct got_error *close_err = got_repo_close(repo);
8087 const struct got_error *pack_err =
8088 got_repo_pack_fds_close(pack_fds);
8096 static const struct got_error *
8097 ref_view_load_refs(struct tog_ref_view_state *s)
8099 struct got_reflist_entry *sre;
8100 struct tog_reflist_entry *re;
8103 TAILQ_FOREACH(sre, &tog_refs, entry) {
8104 if (strncmp(got_ref_get_name(sre->ref),
8105 "refs/got/", 9) == 0 &&
8106 strncmp(got_ref_get_name(sre->ref),
8107 "refs/got/backup/", 16) != 0)
8110 re = malloc(sizeof(*re));
8112 return got_error_from_errno("malloc");
8114 re->ref = got_ref_dup(sre->ref);
8115 if (re->ref == NULL)
8116 return got_error_from_errno("got_ref_dup");
8117 re->idx = s->nrefs++;
8118 TAILQ_INSERT_TAIL(&s->refs, re, entry);
8121 s->first_displayed_entry = TAILQ_FIRST(&s->refs);
8126 ref_view_free_refs(struct tog_ref_view_state *s)
8128 struct tog_reflist_entry *re;
8130 while (!TAILQ_EMPTY(&s->refs)) {
8131 re = TAILQ_FIRST(&s->refs);
8132 TAILQ_REMOVE(&s->refs, re, entry);
8133 got_ref_close(re->ref);
8138 static const struct got_error *
8139 open_ref_view(struct tog_view *view, struct got_repository *repo)
8141 const struct got_error *err = NULL;
8142 struct tog_ref_view_state *s = &view->state.ref;
8144 s->selected_entry = 0;
8147 TAILQ_INIT(&s->refs);
8148 STAILQ_INIT(&s->colors);
8150 err = ref_view_load_refs(s);
8154 if (has_colors() && getenv("TOG_COLORS") != NULL) {
8155 err = add_color(&s->colors, "^refs/heads/",
8156 TOG_COLOR_REFS_HEADS,
8157 get_color_value("TOG_COLOR_REFS_HEADS"));
8161 err = add_color(&s->colors, "^refs/tags/",
8162 TOG_COLOR_REFS_TAGS,
8163 get_color_value("TOG_COLOR_REFS_TAGS"));
8167 err = add_color(&s->colors, "^refs/remotes/",
8168 TOG_COLOR_REFS_REMOTES,
8169 get_color_value("TOG_COLOR_REFS_REMOTES"));
8173 err = add_color(&s->colors, "^refs/got/backup/",
8174 TOG_COLOR_REFS_BACKUP,
8175 get_color_value("TOG_COLOR_REFS_BACKUP"));
8180 view->show = show_ref_view;
8181 view->input = input_ref_view;
8182 view->close = close_ref_view;
8183 view->search_start = search_start_ref_view;
8184 view->search_next = search_next_ref_view;
8187 if (view->close == NULL)
8188 close_ref_view(view);
8194 static const struct got_error *
8195 close_ref_view(struct tog_view *view)
8197 struct tog_ref_view_state *s = &view->state.ref;
8199 ref_view_free_refs(s);
8200 free_colors(&s->colors);
8205 static const struct got_error *
8206 resolve_reflist_entry(struct got_object_id **commit_id,
8207 struct tog_reflist_entry *re, struct got_repository *repo)
8209 const struct got_error *err = NULL;
8210 struct got_object_id *obj_id;
8211 struct got_tag_object *tag = NULL;
8216 err = got_ref_resolve(&obj_id, repo, re->ref);
8220 err = got_object_get_type(&obj_type, repo, obj_id);
8225 case GOT_OBJ_TYPE_COMMIT:
8226 *commit_id = obj_id;
8228 case GOT_OBJ_TYPE_TAG:
8229 err = got_object_open_as_tag(&tag, repo, obj_id);
8233 err = got_object_get_type(&obj_type, repo,
8234 got_object_tag_get_object_id(tag));
8237 if (obj_type != GOT_OBJ_TYPE_COMMIT) {
8238 err = got_error(GOT_ERR_OBJ_TYPE);
8241 *commit_id = got_object_id_dup(
8242 got_object_tag_get_object_id(tag));
8243 if (*commit_id == NULL) {
8244 err = got_error_from_errno("got_object_id_dup");
8249 err = got_error(GOT_ERR_OBJ_TYPE);
8255 got_object_tag_close(tag);
8263 static const struct got_error *
8264 log_ref_entry(struct tog_view **new_view, int begin_y, int begin_x,
8265 struct tog_reflist_entry *re, struct got_repository *repo)
8267 struct tog_view *log_view;
8268 const struct got_error *err = NULL;
8269 struct got_object_id *commit_id = NULL;
8273 err = resolve_reflist_entry(&commit_id, re, repo);
8275 if (err->code != GOT_ERR_OBJ_TYPE)
8281 log_view = view_open(0, 0, begin_y, begin_x, TOG_VIEW_LOG);
8282 if (log_view == NULL) {
8283 err = got_error_from_errno("view_open");
8287 err = open_log_view(log_view, commit_id, repo,
8288 got_ref_get_name(re->ref), "", 0);
8291 view_close(log_view);
8293 *new_view = log_view;
8299 ref_scroll_up(struct tog_ref_view_state *s, int maxscroll)
8301 struct tog_reflist_entry *re;
8304 if (s->first_displayed_entry == TAILQ_FIRST(&s->refs))
8307 re = TAILQ_PREV(s->first_displayed_entry, tog_reflist_head, entry);
8308 while (i++ < maxscroll) {
8311 s->first_displayed_entry = re;
8312 re = TAILQ_PREV(re, tog_reflist_head, entry);
8316 static const struct got_error *
8317 ref_scroll_down(struct tog_view *view, int maxscroll)
8319 struct tog_ref_view_state *s = &view->state.ref;
8320 struct tog_reflist_entry *next, *last;
8323 if (s->first_displayed_entry)
8324 next = TAILQ_NEXT(s->first_displayed_entry, entry);
8326 next = TAILQ_FIRST(&s->refs);
8328 last = s->last_displayed_entry;
8329 while (next && n++ < maxscroll) {
8331 s->last_displayed_entry = last;
8332 last = TAILQ_NEXT(last, entry);
8334 if (last || (view->mode == TOG_VIEW_SPLIT_HRZN)) {
8335 s->first_displayed_entry = next;
8336 next = TAILQ_NEXT(next, entry);
8343 static const struct got_error *
8344 search_start_ref_view(struct tog_view *view)
8346 struct tog_ref_view_state *s = &view->state.ref;
8348 s->matched_entry = NULL;
8353 match_reflist_entry(struct tog_reflist_entry *re, regex_t *regex)
8355 regmatch_t regmatch;
8357 return regexec(regex, got_ref_get_name(re->ref), 1, ®match,
8361 static const struct got_error *
8362 search_next_ref_view(struct tog_view *view)
8364 struct tog_ref_view_state *s = &view->state.ref;
8365 struct tog_reflist_entry *re = NULL;
8367 if (!view->searching) {
8368 view->search_next_done = TOG_SEARCH_HAVE_MORE;
8372 if (s->matched_entry) {
8373 if (view->searching == TOG_SEARCH_FORWARD) {
8374 if (s->selected_entry)
8375 re = TAILQ_NEXT(s->selected_entry, entry);
8377 re = TAILQ_PREV(s->selected_entry,
8378 tog_reflist_head, entry);
8380 if (s->selected_entry == NULL)
8381 re = TAILQ_LAST(&s->refs, tog_reflist_head);
8383 re = TAILQ_PREV(s->selected_entry,
8384 tog_reflist_head, entry);
8387 if (s->selected_entry)
8388 re = s->selected_entry;
8389 else if (view->searching == TOG_SEARCH_FORWARD)
8390 re = TAILQ_FIRST(&s->refs);
8392 re = TAILQ_LAST(&s->refs, tog_reflist_head);
8397 if (s->matched_entry == NULL) {
8398 view->search_next_done = TOG_SEARCH_HAVE_MORE;
8401 if (view->searching == TOG_SEARCH_FORWARD)
8402 re = TAILQ_FIRST(&s->refs);
8404 re = TAILQ_LAST(&s->refs, tog_reflist_head);
8407 if (match_reflist_entry(re, &view->regex)) {
8408 view->search_next_done = TOG_SEARCH_HAVE_MORE;
8409 s->matched_entry = re;
8413 if (view->searching == TOG_SEARCH_FORWARD)
8414 re = TAILQ_NEXT(re, entry);
8416 re = TAILQ_PREV(re, tog_reflist_head, entry);
8419 if (s->matched_entry) {
8420 s->first_displayed_entry = s->matched_entry;
8427 static const struct got_error *
8428 show_ref_view(struct tog_view *view)
8430 const struct got_error *err = NULL;
8431 struct tog_ref_view_state *s = &view->state.ref;
8432 struct tog_reflist_entry *re;
8435 struct tog_color *tc;
8436 int width, n, scrollx;
8437 int limit = view->nlines;
8439 werase(view->window);
8442 if (view_is_hsplit_top(view))
8443 --limit; /* border */
8448 re = s->first_displayed_entry;
8450 if (asprintf(&line, "references [%d/%d]", re->idx + s->selected + 1,
8452 return got_error_from_errno("asprintf");
8454 err = format_line(&wline, &width, NULL, line, 0, view->ncols, 0, 0);
8459 if (view_needs_focus_indication(view))
8460 wstandout(view->window);
8461 waddwstr(view->window, wline);
8462 while (width++ < view->ncols)
8463 waddch(view->window, ' ');
8464 if (view_needs_focus_indication(view))
8465 wstandend(view->window);
8475 while (re && limit > 0) {
8477 char ymd[13]; /* YYYY-MM-DD + " " + NUL */
8480 struct got_commit_object *ci;
8481 struct got_tag_object *tag;
8482 struct got_object_id *id;
8486 err = got_ref_resolve(&id, s->repo, re->ref);
8489 err = got_object_open_as_tag(&tag, s->repo, id);
8491 if (err->code != GOT_ERR_OBJ_TYPE) {
8495 err = got_object_open_as_commit(&ci, s->repo,
8501 t = got_object_commit_get_committer_time(ci);
8502 got_object_commit_close(ci);
8504 t = got_object_tag_get_tagger_time(tag);
8505 got_object_tag_close(tag);
8508 if (gmtime_r(&t, &tm) == NULL)
8509 return got_error_from_errno("gmtime_r");
8510 if (strftime(ymd, sizeof(ymd), "%G-%m-%d ", &tm) == 0)
8511 return got_error(GOT_ERR_NO_SPACE);
8513 if (got_ref_is_symbolic(re->ref)) {
8514 if (asprintf(&line, "%s%s -> %s", s->show_date ?
8515 ymd : "", got_ref_get_name(re->ref),
8516 got_ref_get_symref_target(re->ref)) == -1)
8517 return got_error_from_errno("asprintf");
8518 } else if (s->show_ids) {
8519 struct got_object_id *id;
8521 err = got_ref_resolve(&id, s->repo, re->ref);
8524 err = got_object_id_str(&id_str, id);
8529 if (asprintf(&line, "%s%s: %s", s->show_date ? ymd : "",
8530 got_ref_get_name(re->ref), id_str) == -1) {
8531 err = got_error_from_errno("asprintf");
8538 } else if (asprintf(&line, "%s%s", s->show_date ? ymd : "",
8539 got_ref_get_name(re->ref)) == -1)
8540 return got_error_from_errno("asprintf");
8542 /* use full line width to determine view->maxx */
8543 err = format_line(&wline, &width, NULL, line, 0, INT_MAX, 0, 0);
8548 view->maxx = MAX(view->maxx, width);
8552 err = format_line(&wline, &width, &scrollx, line, view->x,
8558 if (n == s->selected) {
8560 wstandout(view->window);
8561 s->selected_entry = re;
8563 tc = match_color(&s->colors, got_ref_get_name(re->ref));
8565 wattr_on(view->window,
8566 COLOR_PAIR(tc->colorpair), NULL);
8567 waddwstr(view->window, &wline[scrollx]);
8569 wattr_off(view->window,
8570 COLOR_PAIR(tc->colorpair), NULL);
8571 if (width < view->ncols)
8572 waddch(view->window, '\n');
8573 if (n == s->selected && view->focussed)
8574 wstandend(view->window);
8580 s->last_displayed_entry = re;
8583 re = TAILQ_NEXT(re, entry);
8590 static const struct got_error *
8591 browse_ref_tree(struct tog_view **new_view, int begin_y, int begin_x,
8592 struct tog_reflist_entry *re, struct got_repository *repo)
8594 const struct got_error *err = NULL;
8595 struct got_object_id *commit_id = NULL;
8596 struct tog_view *tree_view;
8600 err = resolve_reflist_entry(&commit_id, re, repo);
8602 if (err->code != GOT_ERR_OBJ_TYPE)
8609 tree_view = view_open(0, 0, begin_y, begin_x, TOG_VIEW_TREE);
8610 if (tree_view == NULL) {
8611 err = got_error_from_errno("view_open");
8615 err = open_tree_view(tree_view, commit_id,
8616 got_ref_get_name(re->ref), repo);
8620 *new_view = tree_view;
8626 static const struct got_error *
8627 ref_goto_line(struct tog_view *view, int nlines)
8629 const struct got_error *err = NULL;
8630 struct tog_ref_view_state *s = &view->state.ref;
8631 int g, idx = s->selected_entry->idx;
8638 else if (g > s->nrefs)
8641 if (g >= s->first_displayed_entry->idx + 1 &&
8642 g <= s->last_displayed_entry->idx + 1 &&
8643 g - s->first_displayed_entry->idx - 1 < nlines) {
8644 s->selected = g - s->first_displayed_entry->idx - 1;
8649 err = ref_scroll_down(view, g - idx - 1);
8652 if (TAILQ_NEXT(s->last_displayed_entry, entry) == NULL &&
8653 s->first_displayed_entry->idx + s->selected < g &&
8654 s->selected < s->ndisplayed - 1)
8655 s->selected = g - s->first_displayed_entry->idx - 1;
8656 } else if (idx + 1 > g)
8657 ref_scroll_up(s, idx - g + 1);
8659 if (g < nlines && s->first_displayed_entry->idx == 0)
8660 s->selected = g - 1;
8666 static const struct got_error *
8667 input_ref_view(struct tog_view **new_view, struct tog_view *view, int ch)
8669 const struct got_error *err = NULL;
8670 struct tog_ref_view_state *s = &view->state.ref;
8671 struct tog_reflist_entry *re;
8672 int n, nscroll = view->nlines - 1;
8675 return ref_goto_line(view, nscroll);
8684 horizontal_scroll_input(view, ch);
8687 s->show_ids = !s->show_ids;
8691 s->show_date = !s->show_date;
8695 s->sort_by_date = !s->sort_by_date;
8696 view->action = s->sort_by_date ? "sort by date" : "sort by name";
8698 err = got_reflist_sort(&tog_refs, s->sort_by_date ?
8699 got_ref_cmp_by_commit_timestamp_descending :
8700 tog_ref_cmp_by_name, s->repo);
8703 got_reflist_object_id_map_free(tog_refs_idmap);
8704 err = got_reflist_object_id_map_create(&tog_refs_idmap,
8705 &tog_refs, s->repo);
8708 ref_view_free_refs(s);
8709 err = ref_view_load_refs(s);
8714 if (!s->selected_entry)
8716 err = view_request_new(new_view, view, TOG_VIEW_LOG);
8720 if (!s->selected_entry)
8722 err = view_request_new(new_view, view, TOG_VIEW_TREE);
8729 s->first_displayed_entry = TAILQ_FIRST(&s->refs);
8734 int eos = view->nlines - 1;
8736 if (view->mode == TOG_VIEW_SPLIT_HRZN)
8740 re = TAILQ_LAST(&s->refs, tog_reflist_head);
8741 for (n = 0; n < eos; n++) {
8744 s->first_displayed_entry = re;
8745 re = TAILQ_PREV(re, tog_reflist_head, entry);
8748 s->selected = n - 1;
8754 if (s->selected > 0) {
8758 ref_scroll_up(s, 1);
8759 if (s->selected_entry == TAILQ_FIRST(&s->refs))
8769 if (s->first_displayed_entry == TAILQ_FIRST(&s->refs))
8770 s->selected -= MIN(nscroll, s->selected);
8771 ref_scroll_up(s, MAX(0, nscroll));
8772 if (s->selected_entry == TAILQ_FIRST(&s->refs))
8778 if (s->selected < s->ndisplayed - 1) {
8782 if (TAILQ_NEXT(s->last_displayed_entry, entry) == NULL) {
8783 /* can't scroll any further */
8787 ref_scroll_down(view, 1);
8797 if (TAILQ_NEXT(s->last_displayed_entry, entry) == NULL) {
8798 /* can't scroll any further; move cursor down */
8799 if (s->selected < s->ndisplayed - 1)
8800 s->selected += MIN(nscroll,
8801 s->ndisplayed - s->selected - 1);
8802 if (view->count > 1 && s->selected < s->ndisplayed - 1)
8803 s->selected += s->ndisplayed - s->selected - 1;
8807 ref_scroll_down(view, nscroll);
8812 err = tog_load_refs(s->repo, s->sort_by_date);
8815 ref_view_free_refs(s);
8816 err = ref_view_load_refs(s);
8819 if (view->nlines >= 2 && s->selected >= view->nlines - 1)
8820 s->selected = view->nlines - 2;
8834 fprintf(stderr, "usage: %s ref [-r repository-path]\n",
8839 static const struct got_error *
8840 cmd_ref(int argc, char *argv[])
8842 const struct got_error *error;
8843 struct got_repository *repo = NULL;
8844 struct got_worktree *worktree = NULL;
8845 char *cwd = NULL, *repo_path = NULL;
8847 struct tog_view *view;
8848 int *pack_fds = NULL;
8850 while ((ch = getopt(argc, argv, "r:")) != -1) {
8853 repo_path = realpath(optarg, NULL);
8854 if (repo_path == NULL)
8855 return got_error_from_errno2("realpath",
8870 error = got_repo_pack_fds_open(&pack_fds);
8874 if (repo_path == NULL) {
8875 cwd = getcwd(NULL, 0);
8877 return got_error_from_errno("getcwd");
8878 error = got_worktree_open(&worktree, cwd);
8879 if (error && error->code != GOT_ERR_NOT_WORKTREE)
8883 strdup(got_worktree_get_repo_path(worktree));
8885 repo_path = strdup(cwd);
8886 if (repo_path == NULL) {
8887 error = got_error_from_errno("strdup");
8892 error = got_repo_open(&repo, repo_path, NULL, pack_fds);
8898 error = apply_unveil(got_repo_get_path(repo), NULL);
8902 error = tog_load_refs(repo, 0);
8906 view = view_open(0, 0, 0, 0, TOG_VIEW_REF);
8908 error = got_error_from_errno("view_open");
8912 error = open_ref_view(view, repo);
8917 /* Release work tree lock. */
8918 got_worktree_close(worktree);
8921 error = view_loop(view);
8926 const struct got_error *close_err = got_repo_close(repo);
8931 const struct got_error *pack_err =
8932 got_repo_pack_fds_close(pack_fds);
8940 static const struct got_error*
8941 win_draw_center(WINDOW *win, size_t y, size_t x, size_t maxx, int focus,
8950 x = x ? x : maxx > len ? (maxx - len) / 2 : 0;
8954 if (mvwprintw(win, y, x, "%s", str) == ERR)
8955 return got_error_msg(GOT_ERR_RANGE, "mvwprintw");
8962 static const struct got_error *
8963 add_line_offset(off_t **line_offsets, size_t *nlines, off_t off)
8967 p = reallocarray(*line_offsets, *nlines + 1, sizeof(off_t));
8969 free(*line_offsets);
8970 *line_offsets = NULL;
8971 return got_error_from_errno("reallocarray");
8975 (*line_offsets)[*nlines] = off;
8980 static const struct got_error *
8981 max_key_str(int *ret, const struct tog_key_map *km, size_t n)
8985 for (;n > 0; --n, ++km) {
8989 if (km->keys == NULL)
8992 t = t0 = strdup(km->keys);
8994 return got_error_from_errno("strdup");
8997 while ((k = strsep(&t, " ")) != NULL)
8998 len += strlen(k) > 1 ? 2 : 0;
9000 *ret = MAX(*ret, len);
9007 * Write keymap section headers, keys, and key info in km to f.
9008 * Save line offset to *off. If terminal has UTF8 encoding enabled,
9009 * wrap control and symbolic keys in guillemets, else use <>.
9011 static const struct got_error *
9012 format_help_line(off_t *off, FILE *f, const struct tog_key_map *km, int width)
9017 static const char *u8_glyph[] = {
9018 "\xe2\x80\xb9", /* U+2039 (utf8 <) */
9019 "\xe2\x80\xba" /* U+203A (utf8 >) */
9022 int cs, s, first = 1;
9024 cs = got_locale_is_utf8();
9026 t = t0 = strdup(km->keys);
9028 return got_error_from_errno("strdup");
9030 len = strlen(km->keys);
9031 while ((k = strsep(&t, " ")) != NULL) {
9032 s = strlen(k) > 1; /* control or symbolic key */
9033 n = fprintf(f, "%s%s%s%s%s", first ? " " : "",
9034 cs && s ? u8_glyph[0] : s ? "<" : "", k,
9035 cs && s ? u8_glyph[1] : s ? ">" : "", t ? " " : "");
9038 return got_error_from_errno("fprintf");
9046 n = fprintf(f, "%*s%s\n", width - len, width - len ? " " : "", km->info);
9048 return got_error_from_errno("fprintf");
9054 static const struct got_error *
9055 format_help(struct tog_help_view_state *s)
9057 const struct got_error *err = NULL;
9059 int i, max, n, show = s->all;
9060 static const struct tog_key_map km[] = {
9061 #define KEYMAP_(info, type) { NULL, (info), type }
9062 #define KEY_(keys, info) { (keys), (info), TOG_KEYMAP_KEYS }
9068 err = add_line_offset(&s->line_offsets, &s->nlines, 0);
9073 err = max_key_str(&max, km, n);
9077 for (i = 0; i < n; ++i) {
9078 if (km[i].keys == NULL) {
9080 if (km[i].type == TOG_KEYMAP_GLOBAL ||
9081 km[i].type == s->type || s->all)
9085 err = format_help_line(&off, s->f, &km[i], max);
9088 err = add_line_offset(&s->line_offsets, &s->nlines, off);
9095 err = add_line_offset(&s->line_offsets, &s->nlines, off);
9099 static const struct got_error *
9100 create_help(struct tog_help_view_state *s)
9103 const struct got_error *err;
9105 free(s->line_offsets);
9106 s->line_offsets = NULL;
9111 return got_error_from_errno("got_opentemp");
9114 err = format_help(s);
9118 if (s->f && fflush(s->f) != 0)
9119 return got_error_from_errno("fflush");
9124 static const struct got_error *
9125 search_start_help_view(struct tog_view *view)
9127 view->state.help.matched_line = 0;
9132 search_setup_help_view(struct tog_view *view, FILE **f, off_t **line_offsets,
9133 size_t *nlines, int **first, int **last, int **match, int **selected)
9135 struct tog_help_view_state *s = &view->state.help;
9138 *nlines = s->nlines;
9139 *line_offsets = s->line_offsets;
9140 *match = &s->matched_line;
9141 *first = &s->first_displayed_line;
9142 *last = &s->last_displayed_line;
9143 *selected = &s->selected_line;
9146 static const struct got_error *
9147 show_help_view(struct tog_view *view)
9149 struct tog_help_view_state *s = &view->state.help;
9150 const struct got_error *err;
9151 regmatch_t *regmatch = &view->regmatch;
9156 int width, nprinted = 0, rc = 0;
9157 int eos = view->nlines;
9159 if (view_is_hsplit_top(view))
9160 --eos; /* account for border */
9164 werase(view->window);
9166 if (view->gline > s->nlines - 1)
9167 view->gline = s->nlines - 1;
9169 err = win_draw_center(view->window, 0, 0, view->ncols,
9170 view_needs_focus_indication(view),
9171 "tog help (press q to return to tog)");
9176 waddstr(view->window, "\n\n");
9182 while (eos > 0 && nprinted < eos) {
9185 linelen = getline(&line, &linesz, s->f);
9186 if (linelen == -1) {
9189 return got_ferror(s->f, GOT_ERR_IO);
9194 if (++s->lineno < s->first_displayed_line)
9196 if (view->gline && !gotoline(view, &s->lineno, &nprinted))
9198 if (s->lineno == view->hiline)
9201 err = format_line(&wline, &width, NULL, line, 0, INT_MAX, 0,
9207 view->maxx = MAX(view->maxx, width);
9212 wattron(view->window, attr);
9213 if (s->first_displayed_line + nprinted == s->matched_line &&
9214 regmatch->rm_so >= 0 && regmatch->rm_so < regmatch->rm_eo) {
9215 err = add_matched_line(&width, line, view->ncols - 1, 0,
9216 view->window, view->x, regmatch);
9224 err = format_line(&wline, &width, &skip, line,
9225 view->x, view->ncols, 0, view->x ? 1 : 0);
9230 waddwstr(view->window, &wline[skip]);
9234 if (s->lineno == view->hiline) {
9235 while (width++ < view->ncols)
9236 waddch(view->window, ' ');
9238 if (width < view->ncols)
9239 waddch(view->window, '\n');
9242 wattroff(view->window, attr);
9243 if (++nprinted == 1)
9244 s->first_displayed_line = s->lineno;
9248 s->last_displayed_line = s->first_displayed_line + nprinted - 1;
9250 s->last_displayed_line = s->first_displayed_line;
9255 rc = waddnstr(view->window,
9256 "See the tog(1) manual page for full documentation",
9259 return got_error_msg(GOT_ERR_RANGE, "waddnstr");
9261 wmove(view->window, view->nlines - 1, 0);
9262 wclrtoeol(view->window);
9263 wstandout(view->window);
9264 rc = waddnstr(view->window, "scroll down for more...",
9267 return got_error_msg(GOT_ERR_RANGE, "waddnstr");
9268 if (getcurx(view->window) < view->ncols - 6) {
9269 rc = wprintw(view->window, "[%.0f%%]",
9270 100.00 * s->last_displayed_line / s->nlines);
9272 return got_error_msg(GOT_ERR_IO, "wprintw");
9274 wstandend(view->window);
9280 static const struct got_error *
9281 input_help_view(struct tog_view **new_view, struct tog_view *view, int ch)
9283 struct tog_help_view_state *s = &view->state.help;
9284 const struct got_error *err = NULL;
9290 eos = nscroll = view->nlines;
9291 if (view_is_hsplit_top(view))
9294 s->lineno = s->first_displayed_line - 1 + s->selected_line;
9303 horizontal_scroll_input(view, ch);
9307 s->first_displayed_line = 1;
9315 s->first_displayed_line = (s->nlines - eos) + 3;
9320 if (s->first_displayed_line > 1)
9321 --s->first_displayed_line;
9332 if (s->first_displayed_line == 1) {
9336 while (--nscroll > 0 && s->first_displayed_line > 1)
9337 s->first_displayed_line--;
9343 ++s->first_displayed_line;
9359 while (!s->eof && --nscroll > 0) {
9360 linelen = getline(&line, &linesz, s->f);
9361 s->first_displayed_line++;
9362 if (linelen == -1) {
9366 err = got_ferror(s->f, GOT_ERR_IO);
9380 static const struct got_error *
9381 close_help_view(struct tog_view *view)
9383 struct tog_help_view_state *s = &view->state.help;
9385 free(s->line_offsets);
9386 s->line_offsets = NULL;
9387 if (fclose(s->f) == EOF)
9388 return got_error_from_errno("fclose");
9393 static const struct got_error *
9394 reset_help_view(struct tog_view *view)
9396 struct tog_help_view_state *s = &view->state.help;
9399 if (s->f && fclose(s->f) == EOF)
9400 return got_error_from_errno("fclose");
9402 wclear(view->window);
9406 s->first_displayed_line = 1;
9407 s->last_displayed_line = view->nlines;
9408 s->matched_line = 0;
9410 return create_help(s);
9413 static const struct got_error *
9414 open_help_view(struct tog_view *view, struct tog_view *parent)
9416 const struct got_error *err = NULL;
9417 struct tog_help_view_state *s = &view->state.help;
9419 s->type = (enum tog_keymap_type)parent->type;
9420 s->first_displayed_line = 1;
9421 s->last_displayed_line = view->nlines;
9422 s->selected_line = 1;
9424 view->show = show_help_view;
9425 view->input = input_help_view;
9426 view->reset = reset_help_view;
9427 view->close = close_help_view;
9428 view->search_start = search_start_help_view;
9429 view->search_setup = search_setup_help_view;
9430 view->search_next = search_next_view_match;
9432 err = create_help(s);
9436 static const struct got_error *
9437 view_dispatch_request(struct tog_view **new_view, struct tog_view *view,
9438 enum tog_view_type request, int y, int x)
9440 const struct got_error *err = NULL;
9446 if (view->type == TOG_VIEW_LOG) {
9447 struct tog_log_view_state *s = &view->state.log;
9449 err = open_diff_view_for_commit(new_view, y, x,
9450 s->selected_entry->commit, s->selected_entry->id,
9453 return got_error_msg(GOT_ERR_NOT_IMPL,
9454 "parent/child view pair not supported");
9456 case TOG_VIEW_BLAME:
9457 if (view->type == TOG_VIEW_TREE) {
9458 struct tog_tree_view_state *s = &view->state.tree;
9460 err = blame_tree_entry(new_view, y, x,
9461 s->selected_entry, &s->parents, s->commit_id,
9464 return got_error_msg(GOT_ERR_NOT_IMPL,
9465 "parent/child view pair not supported");
9468 if (view->type == TOG_VIEW_BLAME)
9469 err = log_annotated_line(new_view, y, x,
9470 view->state.blame.repo, view->state.blame.id_to_log);
9471 else if (view->type == TOG_VIEW_TREE)
9472 err = log_selected_tree_entry(new_view, y, x,
9474 else if (view->type == TOG_VIEW_REF)
9475 err = log_ref_entry(new_view, y, x,
9476 view->state.ref.selected_entry,
9477 view->state.ref.repo);
9479 return got_error_msg(GOT_ERR_NOT_IMPL,
9480 "parent/child view pair not supported");
9483 if (view->type == TOG_VIEW_LOG)
9484 err = browse_commit_tree(new_view, y, x,
9485 view->state.log.selected_entry,
9486 view->state.log.in_repo_path,
9487 view->state.log.head_ref_name,
9488 view->state.log.repo);
9489 else if (view->type == TOG_VIEW_REF)
9490 err = browse_ref_tree(new_view, y, x,
9491 view->state.ref.selected_entry,
9492 view->state.ref.repo);
9494 return got_error_msg(GOT_ERR_NOT_IMPL,
9495 "parent/child view pair not supported");
9498 *new_view = view_open(0, 0, y, x, TOG_VIEW_REF);
9499 if (*new_view == NULL)
9500 return got_error_from_errno("view_open");
9501 if (view->type == TOG_VIEW_LOG)
9502 err = open_ref_view(*new_view, view->state.log.repo);
9503 else if (view->type == TOG_VIEW_TREE)
9504 err = open_ref_view(*new_view, view->state.tree.repo);
9506 err = got_error_msg(GOT_ERR_NOT_IMPL,
9507 "parent/child view pair not supported");
9509 view_close(*new_view);
9512 *new_view = view_open(0, 0, 0, 0, TOG_VIEW_HELP);
9513 if (*new_view == NULL)
9514 return got_error_from_errno("view_open");
9515 err = open_help_view(*new_view, view);
9517 view_close(*new_view);
9520 return got_error_msg(GOT_ERR_NOT_IMPL, "invalid view");
9527 * If view was scrolled down to move the selected line into view when opening a
9528 * horizontal split, scroll back up when closing the split/toggling fullscreen.
9531 offset_selection_up(struct tog_view *view)
9533 switch (view->type) {
9534 case TOG_VIEW_BLAME: {
9535 struct tog_blame_view_state *s = &view->state.blame;
9536 if (s->first_displayed_line == 1) {
9537 s->selected_line = MAX(s->selected_line - view->offset,
9541 if (s->first_displayed_line > view->offset)
9542 s->first_displayed_line -= view->offset;
9544 s->first_displayed_line = 1;
9545 s->selected_line += view->offset;
9549 log_scroll_up(&view->state.log, view->offset);
9550 view->state.log.selected += view->offset;
9553 ref_scroll_up(&view->state.ref, view->offset);
9554 view->state.ref.selected += view->offset;
9557 tree_scroll_up(&view->state.tree, view->offset);
9558 view->state.tree.selected += view->offset;
9568 * If the selected line is in the section of screen covered by the bottom split,
9569 * scroll down offset lines to move it into view and index its new position.
9571 static const struct got_error *
9572 offset_selection_down(struct tog_view *view)
9574 const struct got_error *err = NULL;
9575 const struct got_error *(*scrolld)(struct tog_view *, int);
9576 int *selected = NULL;
9579 switch (view->type) {
9580 case TOG_VIEW_BLAME: {
9581 struct tog_blame_view_state *s = &view->state.blame;
9584 if (s->selected_line > view->nlines - header) {
9585 offset = abs(view->nlines - s->selected_line - header);
9586 s->first_displayed_line += offset;
9587 s->selected_line -= offset;
9588 view->offset = offset;
9592 case TOG_VIEW_LOG: {
9593 struct tog_log_view_state *s = &view->state.log;
9594 scrolld = &log_scroll_down;
9595 header = view_is_parent_view(view) ? 3 : 2;
9596 selected = &s->selected;
9599 case TOG_VIEW_REF: {
9600 struct tog_ref_view_state *s = &view->state.ref;
9601 scrolld = &ref_scroll_down;
9603 selected = &s->selected;
9606 case TOG_VIEW_TREE: {
9607 struct tog_tree_view_state *s = &view->state.tree;
9608 scrolld = &tree_scroll_down;
9610 selected = &s->selected;
9620 if (selected && *selected > view->nlines - header) {
9621 offset = abs(view->nlines - *selected - header);
9622 view->offset = offset;
9623 if (scrolld && offset) {
9624 err = scrolld(view, offset);
9625 *selected -= offset;
9633 list_commands(FILE *fp)
9637 fprintf(fp, "commands:");
9638 for (i = 0; i < nitems(tog_commands); i++) {
9639 const struct tog_cmd *cmd = &tog_commands[i];
9640 fprintf(fp, " %s", cmd->name);
9646 usage(int hflag, int status)
9648 FILE *fp = (status == 0) ? stdout : stderr;
9650 fprintf(fp, "usage: %s [-hV] command [arg ...]\n",
9653 fprintf(fp, "lazy usage: %s path\n", getprogname());
9660 make_argv(int argc, ...)
9668 argv = calloc(argc, sizeof(char *));
9671 for (i = 0; i < argc; i++) {
9672 argv[i] = strdup(va_arg(ap, char *));
9673 if (argv[i] == NULL)
9682 * Try to convert 'tog path' into a 'tog log path' command.
9683 * The user could simply have mistyped the command rather than knowingly
9684 * provided a path. So check whether argv[0] can in fact be resolved
9685 * to a path in the HEAD commit and print a special error if not.
9686 * This hack is for mpi@ <3
9688 static const struct got_error *
9689 tog_log_with_path(int argc, char *argv[])
9691 const struct got_error *error = NULL, *close_err;
9692 const struct tog_cmd *cmd = NULL;
9693 struct got_repository *repo = NULL;
9694 struct got_worktree *worktree = NULL;
9695 struct got_object_id *commit_id = NULL, *id = NULL;
9696 struct got_commit_object *commit = NULL;
9697 char *cwd = NULL, *repo_path = NULL, *in_repo_path = NULL;
9698 char *commit_id_str = NULL, **cmd_argv = NULL;
9699 int *pack_fds = NULL;
9701 cwd = getcwd(NULL, 0);
9703 return got_error_from_errno("getcwd");
9705 error = got_repo_pack_fds_open(&pack_fds);
9709 error = got_worktree_open(&worktree, cwd);
9710 if (error && error->code != GOT_ERR_NOT_WORKTREE)
9714 repo_path = strdup(got_worktree_get_repo_path(worktree));
9716 repo_path = strdup(cwd);
9717 if (repo_path == NULL) {
9718 error = got_error_from_errno("strdup");
9722 error = got_repo_open(&repo, repo_path, NULL, pack_fds);
9726 error = get_in_repo_path_from_argv0(&in_repo_path, argc, argv,
9731 error = tog_load_refs(repo, 0);
9734 error = got_repo_match_object_id(&commit_id, NULL, worktree ?
9735 got_worktree_get_head_ref_name(worktree) : GOT_REF_HEAD,
9736 GOT_OBJ_TYPE_COMMIT, &tog_refs, repo);
9741 got_worktree_close(worktree);
9745 error = got_object_open_as_commit(&commit, repo, commit_id);
9749 error = got_object_id_by_path(&id, repo, commit, in_repo_path);
9751 if (error->code != GOT_ERR_NO_TREE_ENTRY)
9753 fprintf(stderr, "%s: '%s' is no known command or path\n",
9754 getprogname(), argv[0]);
9759 error = got_object_id_str(&commit_id_str, commit_id);
9763 cmd = &tog_commands[0]; /* log */
9765 cmd_argv = make_argv(argc, cmd->name, "-c", commit_id_str, argv[0]);
9766 error = cmd->cmd_main(argc, cmd_argv);
9769 close_err = got_repo_close(repo);
9774 got_object_commit_close(commit);
9776 got_worktree_close(worktree);
9778 const struct got_error *pack_err =
9779 got_repo_pack_fds_close(pack_fds);
9784 free(commit_id_str);
9791 for (i = 0; i < argc; i++)
9800 main(int argc, char *argv[])
9802 const struct got_error *io_err, *error = NULL;
9803 const struct tog_cmd *cmd = NULL;
9804 int ch, hflag = 0, Vflag = 0;
9805 char **cmd_argv = NULL;
9806 static const struct option longopts[] = {
9807 { "version", no_argument, NULL, 'V' },
9810 char *diff_algo_str = NULL;
9811 const char *test_script_path;
9813 setlocale(LC_CTYPE, "");
9816 * Test mode init must happen before pledge() because "tty" will
9817 * not allow TTY-related ioctls to occur via regular files.
9819 test_script_path = getenv("TOG_TEST_SCRIPT");
9820 if (test_script_path != NULL) {
9821 error = init_mock_term(test_script_path);
9823 fprintf(stderr, "%s: %s\n", getprogname(), error->msg);
9826 } else if (!isatty(STDIN_FILENO))
9827 errx(1, "standard input is not a tty");
9829 #if !defined(PROFILE)
9830 if (pledge("stdio rpath wpath cpath flock proc tty exec sendfd unveil",
9835 while ((ch = getopt_long(argc, argv, "+hV", longopts, NULL)) != -1) {
9855 got_version_print_str();
9862 /* Build an argument vector which runs a default command. */
9863 cmd = &tog_commands[0];
9865 cmd_argv = make_argv(argc, cmd->name);
9869 /* Did the user specify a command? */
9870 for (i = 0; i < nitems(tog_commands); i++) {
9871 if (strncmp(tog_commands[i].name, argv[0],
9872 strlen(argv[0])) == 0) {
9873 cmd = &tog_commands[i];
9879 diff_algo_str = getenv("TOG_DIFF_ALGORITHM");
9880 if (diff_algo_str) {
9881 if (strcasecmp(diff_algo_str, "patience") == 0)
9882 tog_diff_algo = GOT_DIFF_ALGORITHM_PATIENCE;
9883 if (strcasecmp(diff_algo_str, "myers") == 0)
9884 tog_diff_algo = GOT_DIFF_ALGORITHM_MYERS;
9890 /* No command specified; try log with a path */
9891 error = tog_log_with_path(argc, argv);
9896 error = cmd->cmd_main(argc, cmd_argv ? cmd_argv : argv);
9899 if (using_mock_io) {
9900 io_err = tog_io_close();
9907 for (i = 0; i < argc; i++)
9912 if (error && error->code != GOT_ERR_CANCELLED &&
9913 error->code != GOT_ERR_EOF &&
9914 error->code != GOT_ERR_PRIVSEP_EXIT &&
9915 error->code != GOT_ERR_PRIVSEP_PIPE &&
9916 !(error->code == GOT_ERR_ERRNO && errno == EINTR))
9917 fprintf(stderr, "%s: %s\n", getprogname(), error->msg);