1 /*
2  * Copyright (c) 2021 Stefan Sperling <stsp@openbsd.org>
3  *
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.
7  *
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.
15  */
16 
17 #include <sys/queue.h>
18 #include <sys/types.h>
19 
20 #include <ctype.h>
21 #include <getopt.h>
22 #include <err.h>
23 #include <errno.h>
24 #include <locale.h>
25 #include <inttypes.h>
26 #include <sha1.h>
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <signal.h>
30 #include <string.h>
31 #include <unistd.h>
32 #include <util.h>
33 
34 #include "got_version.h"
35 #include "got_error.h"
36 #include "got_object.h"
37 #include "got_reference.h"
38 #include "got_cancel.h"
39 #include "got_repository.h"
40 #include "got_repository_admin.h"
41 #include "got_gotconfig.h"
42 #include "got_path.h"
43 #include "got_privsep.h"
44 #include "got_opentemp.h"
45 #include "got_worktree.h"
46 
47 #ifndef nitems
48 #define nitems(_a)	(sizeof((_a)) / sizeof((_a)[0]))
49 #endif
50 
51 static volatile sig_atomic_t sigint_received;
52 static volatile sig_atomic_t sigpipe_received;
53 
54 static void
55 catch_sigint(int signo)
56 {
57 	sigint_received = 1;
58 }
59 
60 static void
61 catch_sigpipe(int signo)
62 {
63 	sigpipe_received = 1;
64 }
65 
66 static const struct got_error *
67 check_cancelled(void *arg)
68 {
69 	if (sigint_received || sigpipe_received)
70 		return got_error(GOT_ERR_CANCELLED);
71 	return NULL;
72 }
73 
74 struct gotadmin_cmd {
75 	const char	*cmd_name;
76 	const struct got_error *(*cmd_main)(int, char *[]);
77 	void		(*cmd_usage)(void);
78 	const char	*cmd_alias;
79 };
80 
81 __dead static void	usage(int, int);
82 __dead static void	usage_info(void);
83 __dead static void	usage_pack(void);
84 __dead static void	usage_indexpack(void);
85 __dead static void	usage_listpack(void);
86 __dead static void	usage_cleanup(void);
87 
88 static const struct got_error*		cmd_info(int, char *[]);
89 static const struct got_error*		cmd_pack(int, char *[]);
90 static const struct got_error*		cmd_indexpack(int, char *[]);
91 static const struct got_error*		cmd_listpack(int, char *[]);
92 static const struct got_error*		cmd_cleanup(int, char *[]);
93 
94 static const struct gotadmin_cmd gotadmin_commands[] = {
95 	{ "info",	cmd_info,	usage_info,	"" },
96 	{ "pack",	cmd_pack,	usage_pack,	"" },
97 	{ "indexpack",	cmd_indexpack,	usage_indexpack,"ix" },
98 	{ "listpack",	cmd_listpack,	usage_listpack,	"ls" },
99 	{ "cleanup",	cmd_cleanup,	usage_cleanup,	"cl" },
100 };
101 
102 static void
103 list_commands(FILE *fp)
104 {
105 	size_t i;
106 
107 	fprintf(fp, "commands:");
108 	for (i = 0; i < nitems(gotadmin_commands); i++) {
109 		const struct gotadmin_cmd *cmd = &gotadmin_commands[i];
110 		fprintf(fp, " %s", cmd->cmd_name);
111 	}
112 	fputc('\n', fp);
113 }
114 
115 int
116 main(int argc, char *argv[])
117 {
118 	const struct gotadmin_cmd *cmd;
119 	size_t i;
120 	int ch;
121 	int hflag = 0, Vflag = 0;
122 	static const struct option longopts[] = {
123 	    { "version", no_argument, NULL, 'V' },
124 	    { NULL, 0, NULL, 0 }
125 	};
126 
127 	setlocale(LC_CTYPE, "");
128 
129 	while ((ch = getopt_long(argc, argv, "+hV", longopts, NULL)) != -1) {
130 		switch (ch) {
131 		case 'h':
132 			hflag = 1;
133 			break;
134 		case 'V':
135 			Vflag = 1;
136 			break;
137 		default:
138 			usage(hflag, 1);
139 			/* NOTREACHED */
140 		}
141 	}
142 
143 	argc -= optind;
144 	argv += optind;
145 	optind = 1;
146 	optreset = 1;
147 
148 	if (Vflag) {
149 		got_version_print_str();
150 		return 0;
151 	}
152 
153 	if (argc <= 0)
154 		usage(hflag, hflag ? 0 : 1);
155 
156 	signal(SIGINT, catch_sigint);
157 	signal(SIGPIPE, catch_sigpipe);
158 
159 	for (i = 0; i < nitems(gotadmin_commands); i++) {
160 		const struct got_error *error;
161 
162 		cmd = &gotadmin_commands[i];
163 
164 		if (strcmp(cmd->cmd_name, argv[0]) != 0 &&
165 		    strcmp(cmd->cmd_alias, argv[0]) != 0)
166 			continue;
167 
168 		if (hflag)
169 			cmd->cmd_usage();
170 
171 		error = cmd->cmd_main(argc, argv);
172 		if (error && error->code != GOT_ERR_CANCELLED &&
173 		    error->code != GOT_ERR_PRIVSEP_EXIT &&
174 		    !(sigpipe_received &&
175 		      error->code == GOT_ERR_ERRNO && errno == EPIPE) &&
176 		    !(sigint_received &&
177 		      error->code == GOT_ERR_ERRNO && errno == EINTR)) {
178 			fprintf(stderr, "%s: %s\n", getprogname(), error->msg);
179 			return 1;
180 		}
181 
182 		return 0;
183 	}
184 
185 	fprintf(stderr, "%s: unknown command '%s'\n", getprogname(), argv[0]);
186 	list_commands(stderr);
187 	return 1;
188 }
189 
190 __dead static void
191 usage(int hflag, int status)
192 {
193 	FILE *fp = (status == 0) ? stdout : stderr;
194 
195 	fprintf(fp, "usage: %s [-h] [-V | --version] command [arg ...]\n",
196 	    getprogname());
197 	if (hflag)
198 		list_commands(fp);
199 	exit(status);
200 }
201 
202 static const struct got_error *
203 apply_unveil(const char *repo_path, int repo_read_only)
204 {
205 	const struct got_error *err;
206 
207 #ifdef PROFILE
208 	if (unveil("gmon.out", "rwc") != 0)
209 		return got_error_from_errno2("unveil", "gmon.out");
210 #endif
211 	if (repo_path && unveil(repo_path, repo_read_only ? "r" : "rwc") != 0)
212 		return got_error_from_errno2("unveil", repo_path);
213 
214 	if (unveil(GOT_TMPDIR_STR, "rwc") != 0)
215 		return got_error_from_errno2("unveil", GOT_TMPDIR_STR);
216 
217 	err = got_privsep_unveil_exec_helpers();
218 	if (err != NULL)
219 		return err;
220 
221 	if (unveil(NULL, NULL) != 0)
222 		return got_error_from_errno("unveil");
223 
224 	return NULL;
225 }
226 
227 __dead static void
228 usage_info(void)
229 {
230 	fprintf(stderr, "usage: %s info [-r repository-path]\n",
231 	    getprogname());
232 	exit(1);
233 }
234 
235 static const struct got_error *
236 get_repo_path(char **repo_path)
237 {
238 	const struct got_error *err = NULL;
239 	struct got_worktree *worktree = NULL;
240 	char *cwd;
241 
242 	*repo_path = NULL;
243 
244 	cwd = getcwd(NULL, 0);
245 	if (cwd == NULL)
246 		return got_error_from_errno("getcwd");
247 
248 	err = got_worktree_open(&worktree, cwd);
249 	if (err) {
250 		if (err->code != GOT_ERR_NOT_WORKTREE)
251 			goto done;
252 		err = NULL;
253 	}
254 
255 	if (worktree)
256 		*repo_path = strdup(got_worktree_get_repo_path(worktree));
257 	else
258 		*repo_path = strdup(cwd);
259 	if (*repo_path == NULL)
260 		err = got_error_from_errno("strdup");
261 done:
262 	if (worktree)
263 		got_worktree_close(worktree);
264 	free(cwd);
265 	return err;
266 }
267 
268 static const struct got_error *
269 cmd_info(int argc, char *argv[])
270 {
271 	const struct got_error *error = NULL;
272 	char *repo_path = NULL;
273 	struct got_repository *repo = NULL;
274 	const struct got_gotconfig *gotconfig = NULL;
275 	int ch, npackfiles, npackedobj, nobj;
276 	off_t packsize, loose_size;
277 	char scaled[FMT_SCALED_STRSIZE];
278 
279 	while ((ch = getopt(argc, argv, "r:")) != -1) {
280 		switch (ch) {
281 		case 'r':
282 			repo_path = realpath(optarg, NULL);
283 			if (repo_path == NULL)
284 				return got_error_from_errno2("realpath",
285 				    optarg);
286 			got_path_strip_trailing_slashes(repo_path);
287 			break;
288 		default:
289 			usage_info();
290 			/* NOTREACHED */
291 		}
292 	}
293 
294 	argc -= optind;
295 	argv += optind;
296 
297 #ifndef PROFILE
298 	if (pledge("stdio rpath wpath flock proc exec sendfd unveil",
299 	    NULL) == -1)
300 		err(1, "pledge");
301 #endif
302 	if (repo_path == NULL) {
303 		error = get_repo_path(&repo_path);
304 		if (error)
305 			goto done;
306 	}
307 	error = got_repo_open(&repo, repo_path, NULL);
308 	if (error)
309 		goto done;
310 
311 	error = apply_unveil(got_repo_get_path_git_dir(repo), 1);
312 	if (error)
313 		goto done;
314 
315 	printf("repository: %s\n", got_repo_get_path_git_dir(repo));
316 
317 	gotconfig = got_repo_get_gotconfig(repo);
318 	if (gotconfig) {
319 		const struct got_remote_repo *remotes;
320 		int i, nremotes;
321 		if (got_gotconfig_get_author(gotconfig)) {
322 			printf("default author: %s\n",
323 			    got_gotconfig_get_author(gotconfig));
324 		}
325 		got_gotconfig_get_remotes(&nremotes, &remotes, gotconfig);
326 		for (i = 0; i < nremotes; i++) {
327 			const char *fetch_url = remotes[i].fetch_url;
328 			const char *send_url = remotes[i].send_url;
329 			if (strcmp(fetch_url, send_url) == 0) {
330 				printf("remote \"%s\": %s\n", remotes[i].name,
331 				    remotes[i].fetch_url);
332 			} else {
333 				printf("remote \"%s\" (fetch): %s\n",
334 				    remotes[i].name, remotes[i].fetch_url);
335 				printf("remote \"%s\" (send): %s\n",
336 				    remotes[i].name, remotes[i].send_url);
337 			}
338 		}
339 	}
340 
341 	error = got_repo_get_packfile_info(&npackfiles, &npackedobj,
342 	    &packsize, repo);
343 	if (error)
344 		goto done;
345 	printf("pack files: %d\n", npackfiles);
346 	if (npackfiles > 0) {
347 		if (fmt_scaled(packsize, scaled) == -1) {
348 			error = got_error_from_errno("fmt_scaled");
349 			goto done;
350 		}
351 		printf("packed objects: %d\n", npackedobj);
352 		printf("packed total size: %s\n", scaled);
353 	}
354 
355 	error = got_repo_get_loose_object_info(&nobj, &loose_size, repo);
356 	if (error)
357 		goto done;
358 	printf("loose objects: %d\n", nobj);
359 	if (nobj > 0) {
360 		if (fmt_scaled(loose_size, scaled) == -1) {
361 			error = got_error_from_errno("fmt_scaled");
362 			goto done;
363 		}
364 		printf("loose total size: %s\n", scaled);
365 	}
366 done:
367 	if (repo)
368 		got_repo_close(repo);
369 	free(repo_path);
370 	return error;
371 }
372 
373 __dead static void
374 usage_pack(void)
375 {
376 	fprintf(stderr, "usage: %s pack [-a] [-r repository-path] "
377 	    "[-x reference] [reference ...]\n",
378 	    getprogname());
379 	exit(1);
380 }
381 
382 struct got_pack_progress_arg {
383 	char last_scaled_size[FMT_SCALED_STRSIZE];
384 	int last_ncolored;
385 	int last_nfound;
386 	int last_ntrees;
387 	int loading_done;
388 	int last_ncommits;
389 	int last_nobj_total;
390 	int last_p_deltify;
391 	int last_p_written;
392 	int last_p_indexed;
393 	int last_p_resolved;
394 	int verbosity;
395 	int printed_something;
396 };
397 
398 static void
399 print_load_info(int print_colored, int print_found, int print_trees,
400     int ncolored, int nfound, int ntrees)
401 {
402 	if (print_colored) {
403 		printf("%d commit%s colored", ncolored,
404 		    ncolored == 1 ? "" : "s");
405 	}
406 	if (print_found) {
407 		printf("%s%d object%s found",
408 		    ncolored > 0 ? "; " : "",
409 		    nfound, nfound == 1 ? "" : "s");
410 	}
411 	if (print_trees) {
412 		printf("; %d tree%s scanned", ntrees,
413 		    ntrees == 1 ? "" : "s");
414 	}
415 }
416 
417 static const struct got_error *
418 pack_progress(void *arg, int ncolored, int nfound, int ntrees,
419     off_t packfile_size, int ncommits, int nobj_total, int nobj_deltify,
420     int nobj_written)
421 {
422 	struct got_pack_progress_arg *a = arg;
423 	char scaled_size[FMT_SCALED_STRSIZE];
424 	int p_deltify, p_written;
425 	int print_colored = 0, print_found = 0, print_trees = 0;
426 	int print_searching = 0, print_total = 0;
427 	int print_deltify = 0, print_written = 0;
428 
429 	if (a->verbosity < 0)
430 		return NULL;
431 
432 	if (a->last_ncolored != ncolored) {
433 		print_colored = 1;
434 		a->last_ncolored = ncolored;
435 	}
436 
437 	if (a->last_nfound != nfound) {
438 		print_colored = 1;
439 		print_found = 1;
440 		a->last_nfound = nfound;
441 	}
442 
443 	if (a->last_ntrees != ntrees) {
444 		print_colored = 1;
445 		print_found = 1;
446 		print_trees = 1;
447 		a->last_ntrees = ntrees;
448 	}
449 
450 	if ((print_colored || print_found || print_trees) &&
451 	    !a->loading_done) {
452 		printf("\r");
453 		print_load_info(print_colored, print_found, print_trees,
454 		    ncolored, nfound, ntrees);
455 		a->printed_something = 1;
456 		fflush(stdout);
457 		return NULL;
458 	} else if (!a->loading_done) {
459 		printf("\r");
460 		print_load_info(1, 1, 1, ncolored, nfound, ntrees);
461 		printf("\n");
462 		a->loading_done = 1;
463 	}
464 
465 	if (fmt_scaled(packfile_size, scaled_size) == -1)
466 		return got_error_from_errno("fmt_scaled");
467 
468 	if (a->last_ncommits != ncommits) {
469 		print_searching = 1;
470 		a->last_ncommits = ncommits;
471 	}
472 
473 	if (a->last_nobj_total != nobj_total) {
474 		print_searching = 1;
475 		print_total = 1;
476 		a->last_nobj_total = nobj_total;
477 	}
478 
479 	if (packfile_size > 0 && (a->last_scaled_size[0] == '\0' ||
480 	    strcmp(scaled_size, a->last_scaled_size)) != 0) {
481 		if (strlcpy(a->last_scaled_size, scaled_size,
482 		    FMT_SCALED_STRSIZE) >= FMT_SCALED_STRSIZE)
483 			return got_error(GOT_ERR_NO_SPACE);
484 	}
485 
486 	if (nobj_deltify > 0 || nobj_written > 0) {
487 		if (nobj_deltify > 0) {
488 			p_deltify = (nobj_deltify * 100) / nobj_total;
489 			if (p_deltify != a->last_p_deltify) {
490 				a->last_p_deltify = p_deltify;
491 				print_searching = 1;
492 				print_total = 1;
493 				print_deltify = 1;
494 			}
495 		}
496 		if (nobj_written > 0) {
497 			p_written = (nobj_written * 100) / nobj_total;
498 			if (p_written != a->last_p_written) {
499 				a->last_p_written = p_written;
500 				print_searching = 1;
501 				print_total = 1;
502 				print_deltify = 1;
503 				print_written = 1;
504 			}
505 		}
506 	}
507 
508 	if (print_searching || print_total || print_deltify || print_written)
509 		printf("\r");
510 	if (print_searching)
511 		printf("packing %d reference%s", ncommits,
512 		    ncommits == 1 ? "" : "s");
513 	if (print_total)
514 		printf("; %d object%s", nobj_total,
515 		    nobj_total == 1 ? "" : "s");
516 	if (print_deltify)
517 		printf("; deltify: %d%%", p_deltify);
518 	if (print_written)
519 		printf("; writing pack: %*s %d%%", FMT_SCALED_STRSIZE - 2,
520 		    scaled_size, p_written);
521 	if (print_searching || print_total || print_deltify ||
522 	    print_written) {
523 		a->printed_something = 1;
524 		fflush(stdout);
525 	}
526 	return NULL;
527 }
528 
529 static const struct got_error *
530 pack_index_progress(void *arg, off_t packfile_size, int nobj_total,
531     int nobj_indexed, int nobj_loose, int nobj_resolved)
532 {
533 	struct got_pack_progress_arg *a = arg;
534 	char scaled_size[FMT_SCALED_STRSIZE];
535 	int p_indexed, p_resolved;
536 	int print_size = 0, print_indexed = 0, print_resolved = 0;
537 
538 	if (a->verbosity < 0)
539 		return NULL;
540 
541 	if (packfile_size > 0 || nobj_indexed > 0) {
542 		if (fmt_scaled(packfile_size, scaled_size) == 0 &&
543 		    (a->last_scaled_size[0] == '\0' ||
544 		    strcmp(scaled_size, a->last_scaled_size)) != 0) {
545 			print_size = 1;
546 			if (strlcpy(a->last_scaled_size, scaled_size,
547 			    FMT_SCALED_STRSIZE) >= FMT_SCALED_STRSIZE)
548 				return got_error(GOT_ERR_NO_SPACE);
549 		}
550 		if (nobj_indexed > 0) {
551 			p_indexed = (nobj_indexed * 100) / nobj_total;
552 			if (p_indexed != a->last_p_indexed) {
553 				a->last_p_indexed = p_indexed;
554 				print_indexed = 1;
555 				print_size = 1;
556 			}
557 		}
558 		if (nobj_resolved > 0) {
559 			p_resolved = (nobj_resolved * 100) /
560 			    (nobj_total - nobj_loose);
561 			if (p_resolved != a->last_p_resolved) {
562 				a->last_p_resolved = p_resolved;
563 				print_resolved = 1;
564 				print_indexed = 1;
565 				print_size = 1;
566 			}
567 		}
568 
569 	}
570 	if (print_size || print_indexed || print_resolved)
571 		printf("\r");
572 	if (print_size)
573 		printf("%*s packed", FMT_SCALED_STRSIZE - 2, scaled_size);
574 	if (print_indexed)
575 		printf("; indexing %d%%", p_indexed);
576 	if (print_resolved)
577 		printf("; resolving deltas %d%%", p_resolved);
578 	if (print_size || print_indexed || print_resolved)
579 		fflush(stdout);
580 
581 	return NULL;
582 }
583 
584 static const struct got_error *
585 add_ref(struct got_reflist_entry **new, struct got_reflist_head *refs,
586     const char *refname, struct got_repository *repo)
587 {
588 	const struct got_error *err;
589 	struct got_reference *ref;
590 
591 	*new = NULL;
592 
593 	err = got_ref_open(&ref, repo, refname, 0);
594 	if (err) {
595 		if (err->code != GOT_ERR_NOT_REF)
596 			return err;
597 
598 		/* Treat argument as a reference prefix. */
599 		err = got_ref_list(refs, repo, refname,
600 		    got_ref_cmp_by_name, NULL);
601 	} else {
602 		err = got_reflist_insert(new, refs, ref,
603 		    got_ref_cmp_by_name, NULL);
604 		if (err || *new == NULL /* duplicate */)
605 			got_ref_close(ref);
606 	}
607 
608 	return err;
609 }
610 
611 static const struct got_error *
612 cmd_pack(int argc, char *argv[])
613 {
614 	const struct got_error *error = NULL;
615 	char *repo_path = NULL;
616 	struct got_repository *repo = NULL;
617 	int ch, i, loose_obj_only = 1;
618 	struct got_object_id *pack_hash = NULL;
619 	char *id_str = NULL;
620 	struct got_pack_progress_arg ppa;
621 	FILE *packfile = NULL;
622 	struct got_pathlist_head exclude_args;
623 	struct got_pathlist_entry *pe;
624 	struct got_reflist_head exclude_refs;
625 	struct got_reflist_head include_refs;
626 	struct got_reflist_entry *re, *new;
627 
628 	TAILQ_INIT(&exclude_args);
629 	TAILQ_INIT(&exclude_refs);
630 	TAILQ_INIT(&include_refs);
631 
632 	while ((ch = getopt(argc, argv, "ar:x:")) != -1) {
633 		switch (ch) {
634 		case 'a':
635 			loose_obj_only = 0;
636 			break;
637 		case 'r':
638 			repo_path = realpath(optarg, NULL);
639 			if (repo_path == NULL)
640 				return got_error_from_errno2("realpath",
641 				    optarg);
642 			got_path_strip_trailing_slashes(repo_path);
643 			break;
644 		case 'x':
645 			got_path_strip_trailing_slashes(optarg);
646 			error = got_pathlist_append(&exclude_args,
647 			    optarg, NULL);
648 			if (error)
649 				return error;
650 			break;
651 		default:
652 			usage_pack();
653 			/* NOTREACHED */
654 		}
655 	}
656 
657 	argc -= optind;
658 	argv += optind;
659 
660 #ifndef PROFILE
661 	if (pledge("stdio rpath wpath cpath fattr flock proc exec sendfd unveil",
662 	    NULL) == -1)
663 		err(1, "pledge");
664 #endif
665 	if (repo_path == NULL) {
666 		error = get_repo_path(&repo_path);
667 		if (error)
668 			goto done;
669 	}
670 	error = got_repo_open(&repo, repo_path, NULL);
671 	if (error)
672 		goto done;
673 
674 	error = apply_unveil(got_repo_get_path_git_dir(repo), 0);
675 	if (error)
676 		goto done;
677 
678 	TAILQ_FOREACH(pe, &exclude_args, entry) {
679 		const char *refname = pe->path;
680 		error = add_ref(&new, &exclude_refs, refname, repo);
681 		if (error)
682 			goto done;
683 
684 	}
685 
686 	if (argc == 0) {
687 		error = got_ref_list(&include_refs, repo, "",
688 		    got_ref_cmp_by_name, NULL);
689 		if (error)
690 			goto done;
691 	} else {
692 		for (i = 0; i < argc; i++) {
693 			const char *refname;
694 			got_path_strip_trailing_slashes(argv[i]);
695 			refname = argv[i];
696 			error = add_ref(&new, &include_refs, refname, repo);
697 			if (error)
698 				goto done;
699 		}
700 	}
701 
702 	/* Ignore references in the refs/got/ namespace. */
703 	TAILQ_FOREACH_SAFE(re, &include_refs, entry, new) {
704 		const char *refname = got_ref_get_name(re->ref);
705 		if (strncmp("refs/got/", refname, 9) != 0)
706 			continue;
707 		TAILQ_REMOVE(&include_refs, re, entry);
708 		got_ref_close(re->ref);
709 		free(re);
710 	}
711 
712 	memset(&ppa, 0, sizeof(ppa));
713 	ppa.last_scaled_size[0] = '\0';
714 	ppa.last_p_indexed = -1;
715 	ppa.last_p_resolved = -1;
716 
717 	error = got_repo_pack_objects(&packfile, &pack_hash,
718 	    &include_refs, &exclude_refs, repo, loose_obj_only,
719 	    pack_progress, &ppa, check_cancelled, NULL);
720 	if (error) {
721 		if (ppa.printed_something)
722 			printf("\n");
723 		goto done;
724 	}
725 
726 	error = got_object_id_str(&id_str, pack_hash);
727 	if (error)
728 		goto done;
729 	printf("\nWrote %s.pack\n", id_str);
730 
731 	error = got_repo_index_pack(packfile, pack_hash, repo,
732 	    pack_index_progress, &ppa, check_cancelled, NULL);
733 	if (error)
734 		goto done;
735 	printf("\nIndexed %s.pack\n", id_str);
736 done:
737 	if (repo)
738 		got_repo_close(repo);
739 	got_pathlist_free(&exclude_args);
740 	got_ref_list_free(&exclude_refs);
741 	got_ref_list_free(&include_refs);
742 	free(id_str);
743 	free(pack_hash);
744 	free(repo_path);
745 	return error;
746 }
747 
748 __dead static void
749 usage_indexpack(void)
750 {
751 	fprintf(stderr, "usage: %s indexpack packfile-path\n",
752 	    getprogname());
753 	exit(1);
754 }
755 
756 static const struct got_error *
757 cmd_indexpack(int argc, char *argv[])
758 {
759 	const struct got_error *error = NULL;
760 	struct got_repository *repo = NULL;
761 	int ch;
762 	struct got_object_id *pack_hash = NULL;
763 	char *packfile_path = NULL;
764 	char *id_str = NULL;
765 	struct got_pack_progress_arg ppa;
766 	FILE *packfile = NULL;
767 
768 	while ((ch = getopt(argc, argv, "")) != -1) {
769 		switch (ch) {
770 		default:
771 			usage_indexpack();
772 			/* NOTREACHED */
773 		}
774 	}
775 
776 	argc -= optind;
777 	argv += optind;
778 
779 	if (argc != 1)
780 		usage_indexpack();
781 
782 	packfile_path = realpath(argv[0], NULL);
783 	if (packfile_path == NULL)
784 		return got_error_from_errno2("realpath", argv[0]);
785 
786 #ifndef PROFILE
787 	if (pledge("stdio rpath wpath cpath fattr flock proc exec sendfd unveil",
788 	    NULL) == -1)
789 		err(1, "pledge");
790 #endif
791 
792 	error = got_repo_open(&repo, packfile_path, NULL);
793 	if (error)
794 		goto done;
795 
796 	error = apply_unveil(got_repo_get_path_git_dir(repo), 0);
797 	if (error)
798 		goto done;
799 
800 	memset(&ppa, 0, sizeof(ppa));
801 	ppa.last_scaled_size[0] = '\0';
802 	ppa.last_p_indexed = -1;
803 	ppa.last_p_resolved = -1;
804 
805 	error = got_repo_find_pack(&packfile, &pack_hash, repo,
806 	    packfile_path);
807 	if (error)
808 		goto done;
809 
810 	error = got_object_id_str(&id_str, pack_hash);
811 	if (error)
812 		goto done;
813 
814 	error = got_repo_index_pack(packfile, pack_hash, repo,
815 	    pack_index_progress, &ppa, check_cancelled, NULL);
816 	if (error)
817 		goto done;
818 	printf("\nIndexed %s.pack\n", id_str);
819 done:
820 	if (repo)
821 		got_repo_close(repo);
822 	free(id_str);
823 	free(pack_hash);
824 	return error;
825 }
826 
827 __dead static void
828 usage_listpack(void)
829 {
830 	fprintf(stderr, "usage: %s listpack [-h] [-s] packfile-path\n",
831 	    getprogname());
832 	exit(1);
833 }
834 
835 struct gotadmin_list_pack_cb_args {
836 	int nblobs;
837 	int ntrees;
838 	int ncommits;
839 	int ntags;
840 	int noffdeltas;
841 	int nrefdeltas;
842 	int human_readable;
843 };
844 
845 static const struct got_error *
846 list_pack_cb(void *arg, struct got_object_id *id, int type, off_t offset,
847     off_t size, off_t base_offset, struct got_object_id *base_id)
848 {
849 	const struct got_error *err;
850 	struct gotadmin_list_pack_cb_args *a = arg;
851 	char *id_str, *delta_str = NULL, *base_id_str = NULL;
852 	const char *type_str;
853 
854 	err = got_object_id_str(&id_str, id);	
855 	if (err)
856 		return err;
857 
858 	switch (type) {
859 	case GOT_OBJ_TYPE_BLOB:
860 		type_str = GOT_OBJ_LABEL_BLOB;
861 		a->nblobs++;
862 		break;
863 	case GOT_OBJ_TYPE_TREE:
864 		type_str = GOT_OBJ_LABEL_TREE;
865 		a->ntrees++;
866 		break;
867 	case GOT_OBJ_TYPE_COMMIT:
868 		type_str = GOT_OBJ_LABEL_COMMIT;
869 		a->ncommits++;
870 		break;
871 	case GOT_OBJ_TYPE_TAG:
872 		type_str = GOT_OBJ_LABEL_TAG;
873 		a->ntags++;
874 		break;
875 	case GOT_OBJ_TYPE_OFFSET_DELTA:
876 		type_str = "offset-delta";
877 		if (asprintf(&delta_str, " base-offset %lld",
878 		    (long long)base_offset) == -1) {
879 			err = got_error_from_errno("asprintf");
880 			goto done;
881 		}
882 		a->noffdeltas++;
883 		break;
884 	case GOT_OBJ_TYPE_REF_DELTA:
885 		type_str = "ref-delta";
886 		err = got_object_id_str(&base_id_str, base_id);	
887 		if (err)
888 			goto done;
889 		if (asprintf(&delta_str, " base-id %s", base_id_str) == -1) {
890 			err = got_error_from_errno("asprintf");
891 			goto done;
892 		}
893 		a->nrefdeltas++;
894 		break;
895 	default:
896 		err = got_error(GOT_ERR_OBJ_TYPE);
897 		goto done;
898 	}
899 	if (a->human_readable) {
900 		char scaled[FMT_SCALED_STRSIZE];
901 		char *s;;
902 		if (fmt_scaled(size, scaled) == -1) {
903 			err = got_error_from_errno("fmt_scaled");
904 			goto done;
905 		}
906 		s = scaled;
907 		while (isspace((unsigned char)*s))
908 			s++;
909 		printf("%s %s at %lld size %s%s\n", id_str, type_str,
910 		    (long long)offset, s, delta_str ? delta_str : "");
911 	} else {
912 		printf("%s %s at %lld size %lld%s\n", id_str, type_str,
913 		    (long long)offset, (long long)size,
914 		    delta_str ? delta_str : "");
915 	}
916 done:
917 	free(id_str);
918 	free(base_id_str);
919 	free(delta_str);
920 	return err;
921 }
922 
923 static const struct got_error *
924 cmd_listpack(int argc, char *argv[])
925 {
926 	const struct got_error *error = NULL;
927 	struct got_repository *repo = NULL;
928 	int ch;
929 	struct got_object_id *pack_hash = NULL;
930 	char *packfile_path = NULL;
931 	char *id_str = NULL;
932 	struct gotadmin_list_pack_cb_args lpa;
933 	FILE *packfile = NULL;
934 	int show_stats = 0, human_readable = 0;
935 
936 	while ((ch = getopt(argc, argv, "hs")) != -1) {
937 		switch (ch) {
938 		case 'h':
939 			human_readable = 1;
940 			break;
941 		case 's':
942 			show_stats = 1;
943 			break;
944 		default:
945 			usage_listpack();
946 			/* NOTREACHED */
947 		}
948 	}
949 
950 	argc -= optind;
951 	argv += optind;
952 
953 	if (argc != 1)
954 		usage_listpack();
955 	packfile_path = realpath(argv[0], NULL);
956 	if (packfile_path == NULL)
957 		return got_error_from_errno2("realpath", argv[0]);
958 
959 #ifndef PROFILE
960 	if (pledge("stdio rpath wpath flock proc exec sendfd unveil",
961 	    NULL) == -1)
962 		err(1, "pledge");
963 #endif
964 	error = got_repo_open(&repo, packfile_path, NULL);
965 	if (error)
966 		goto done;
967 
968 	error = apply_unveil(got_repo_get_path_git_dir(repo), 1);
969 	if (error)
970 		goto done;
971 
972 	error = got_repo_find_pack(&packfile, &pack_hash, repo,
973 	    packfile_path);
974 	if (error)
975 		goto done;
976 	error = got_object_id_str(&id_str, pack_hash);
977 	if (error)
978 		goto done;
979 
980 	memset(&lpa, 0, sizeof(lpa));
981 	lpa.human_readable = human_readable;
982 	error = got_repo_list_pack(packfile, pack_hash, repo,
983 	    list_pack_cb, &lpa, check_cancelled, NULL);
984 	if (error)
985 		goto done;
986 	if (show_stats) {
987 		printf("objects: %d\n  blobs: %d\n  trees: %d\n  commits: %d\n"
988 		    "  tags: %d\n  offset-deltas: %d\n  ref-deltas: %d\n",
989 		    lpa.nblobs + lpa.ntrees + lpa.ncommits + lpa.ntags +
990 		    lpa.noffdeltas + lpa.nrefdeltas,
991 		    lpa.nblobs, lpa.ntrees, lpa.ncommits, lpa.ntags,
992 		    lpa.noffdeltas, lpa.nrefdeltas);
993 	}
994 done:
995 	if (repo)
996 		got_repo_close(repo);
997 	free(id_str);
998 	free(pack_hash);
999 	free(packfile_path);
1000 	return error;
1001 }
1002 
1003 __dead static void
1004 usage_cleanup(void)
1005 {
1006 	fprintf(stderr, "usage: %s cleanup [-a] [-p] [-n] [-r repository-path] "
1007 	    "[-q]\n", getprogname());
1008 	exit(1);
1009 }
1010 
1011 struct got_cleanup_progress_arg {
1012 	int last_nloose;
1013 	int last_ncommits;
1014 	int last_npurged;
1015 	int verbosity;
1016 	int printed_something;
1017 	int dry_run;
1018 };
1019 
1020 static const struct got_error *
1021 cleanup_progress(void *arg, int nloose, int ncommits, int npurged)
1022 {
1023 	struct got_cleanup_progress_arg *a = arg;
1024 	int print_loose = 0, print_commits = 0, print_purged = 0;
1025 
1026 	if (a->last_nloose != nloose) {
1027 		print_loose = 1;
1028 		a->last_nloose = nloose;
1029 	}
1030 	if (a->last_ncommits != ncommits) {
1031 		print_loose = 1;
1032 		print_commits = 1;
1033 		a->last_ncommits = ncommits;
1034 	}
1035 	if (a->last_npurged != npurged) {
1036 		print_loose = 1;
1037 		print_commits = 1;
1038 		print_purged = 1;
1039 		a->last_npurged = npurged;
1040 	}
1041 
1042 	if (a->verbosity < 0)
1043 		return NULL;
1044 
1045 	if (print_loose || print_commits || print_purged)
1046 		printf("\r");
1047 	if (print_loose)
1048 		printf("%d loose object%s", nloose, nloose == 1 ? "" : "s");
1049 	if (print_commits)
1050 		printf("; %d commit%s scanned", ncommits,
1051 		    ncommits == 1 ? "" : "s");
1052 	if (print_purged) {
1053 		if (a->dry_run) {
1054 			printf("; %d object%s could be purged", npurged,
1055 			    npurged == 1 ? "" : "s");
1056 		} else {
1057 			printf("; %d object%s purged", npurged,
1058 			    npurged == 1 ? "" : "s");
1059 		}
1060 	}
1061 	if (print_loose || print_commits || print_purged) {
1062 		a->printed_something = 1;
1063 		fflush(stdout);
1064 	}
1065 	return NULL;
1066 }
1067 
1068 struct got_lonely_packidx_progress_arg {
1069 	int verbosity;
1070 	int printed_something;
1071 	int dry_run;
1072 };
1073 
1074 static const struct got_error *
1075 lonely_packidx_progress(void *arg, const char *path)
1076 {
1077 	struct got_lonely_packidx_progress_arg *a = arg;
1078 
1079 	if (a->verbosity < 0)
1080 		return NULL;
1081 
1082 	if (a->dry_run)
1083 		printf("%s could be removed\n", path);
1084 	else
1085 		printf("%s removed\n", path);
1086 
1087 	a->printed_something = 1;
1088 	return NULL;
1089 }
1090 
1091 static const struct got_error *
1092 cmd_cleanup(int argc, char *argv[])
1093 {
1094 	const struct got_error *error = NULL;
1095 	char *repo_path = NULL;
1096 	struct got_repository *repo = NULL;
1097 	int ch, dry_run = 0, npacked = 0, verbosity = 0;
1098 	int remove_lonely_packidx = 0, ignore_mtime = 0;
1099 	struct got_cleanup_progress_arg cpa;
1100 	struct got_lonely_packidx_progress_arg lpa;
1101 	off_t size_before, size_after;
1102 	char scaled_before[FMT_SCALED_STRSIZE];
1103 	char scaled_after[FMT_SCALED_STRSIZE];
1104 	char scaled_diff[FMT_SCALED_STRSIZE];
1105 	char **extensions;
1106 	int nextensions, i;
1107 
1108 	while ((ch = getopt(argc, argv, "apr:nq")) != -1) {
1109 		switch (ch) {
1110 		case 'a':
1111 			ignore_mtime = 1;
1112 			break;
1113 		case 'p':
1114 			remove_lonely_packidx = 1;
1115 			break;
1116 		case 'r':
1117 			repo_path = realpath(optarg, NULL);
1118 			if (repo_path == NULL)
1119 				return got_error_from_errno2("realpath",
1120 				    optarg);
1121 			got_path_strip_trailing_slashes(repo_path);
1122 			break;
1123 		case 'n':
1124 			dry_run = 1;
1125 			break;
1126 		case 'q':
1127 			verbosity = -1;
1128 			break;
1129 		default:
1130 			usage_cleanup();
1131 			/* NOTREACHED */
1132 		}
1133 	}
1134 
1135 	argc -= optind;
1136 	argv += optind;
1137 
1138 #ifndef PROFILE
1139 	if (pledge("stdio rpath wpath cpath flock proc exec sendfd unveil",
1140 	    NULL) == -1)
1141 		err(1, "pledge");
1142 #endif
1143 	if (repo_path == NULL) {
1144 		error = get_repo_path(&repo_path);
1145 		if (error)
1146 			goto done;
1147 	}
1148 	error = got_repo_open(&repo, repo_path, NULL);
1149 	if (error)
1150 		goto done;
1151 
1152 	error = apply_unveil(got_repo_get_path_git_dir(repo), 0);
1153 	if (error)
1154 		goto done;
1155 
1156 	got_repo_get_gitconfig_extensions(&extensions, &nextensions,
1157 	    repo);
1158 	for (i = 0; i < nextensions; i++) {
1159 		if (strcasecmp(extensions[i], "preciousObjects") == 0) {
1160 			error = got_error_msg(GOT_ERR_GIT_REPO_EXT,
1161 			    "the preciousObjects Git extension is enabled; "
1162 			    "this implies that objects must not be deleted");
1163 			goto done;
1164 		}
1165 	}
1166 
1167 	if (remove_lonely_packidx) {
1168 		memset(&lpa, 0, sizeof(lpa));
1169 		lpa.dry_run = dry_run;
1170 		lpa.verbosity = verbosity;
1171 		error = got_repo_remove_lonely_packidx(repo, dry_run,
1172 		    lonely_packidx_progress, &lpa, check_cancelled, NULL);
1173 		goto done;
1174 	}
1175 
1176 	memset(&cpa, 0, sizeof(cpa));
1177 	cpa.last_ncommits = -1;
1178 	cpa.last_npurged = -1;
1179 	cpa.dry_run = dry_run;
1180 	cpa.verbosity = verbosity;
1181 	error = got_repo_purge_unreferenced_loose_objects(repo,
1182 	    &size_before, &size_after, &npacked, dry_run, ignore_mtime,
1183 	    cleanup_progress, &cpa, check_cancelled, NULL);
1184 	if (cpa.printed_something)
1185 		printf("\n");
1186 	if (error)
1187 		goto done;
1188 	if (cpa.printed_something) {
1189 		if (fmt_scaled(size_before, scaled_before) == -1) {
1190 			error = got_error_from_errno("fmt_scaled");
1191 			goto done;
1192 		}
1193 		if (fmt_scaled(size_after, scaled_after) == -1) {
1194 			error = got_error_from_errno("fmt_scaled");
1195 			goto done;
1196 		}
1197 		if (fmt_scaled(size_before - size_after, scaled_diff) == -1) {
1198 			error = got_error_from_errno("fmt_scaled");
1199 			goto done;
1200 		}
1201 		printf("loose total size before: %s\n", scaled_before);
1202 		printf("loose total size after: %s\n", scaled_after);
1203 		if (dry_run) {
1204 			printf("disk space which would be freed: %s\n",
1205 			    scaled_diff);
1206 		} else
1207 			printf("disk space freed: %s\n", scaled_diff);
1208 		printf("loose objects also found in pack files: %d\n", npacked);
1209 	}
1210 done:
1211 	if (repo)
1212 		got_repo_close(repo);
1213 	free(repo_path);
1214 	return error;
1215 }