1 #!/bin/sh
2 #
3 # Copyright (c) 2019, 2020 Stefan Sperling <stsp@openbsd.org>
4 #
5 # Permission to use, copy, modify, and distribute this software for any
6 # purpose with or without fee is hereby granted, provided that the above
7 # copyright notice and this permission notice appear in all copies.
8 #
9 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 
17 export GIT_AUTHOR_NAME="Flan Hacker"
18 export GIT_AUTHOR_EMAIL="flan_hacker@openbsd.org"
19 export GIT_COMMITTER_NAME="$GIT_AUTHOR_NAME"
20 export GIT_COMMITTER_EMAIL="$GIT_AUTHOR_EMAIL"
21 export GOT_AUTHOR="$GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>"
22 export GOT_AUTHOR_8="flan_hac"
23 export GOT_AUTHOR_11="flan_hacker"
24 export GOT_LOG_DEFAULT_LIMIT=0
25 export GOT_TEST_ROOT="/tmp"
26 
27 export MALLOC_OPTIONS=S
28 
29 date()
30 {
31 	DATECMD="date"
32 	[ "$PLATFORM" != "linux" ] && DATECMD="gdate"
33 
34 	command "$DATECMD" "$@"
35 }
36 
37 ln()
38 {
39 	LNCMD="ln"
40 	[ "$PLATFORM" != "linux" ] && LNCMD="gln"
41 
42 	command "$LNCMD" "$@"
43 }
44 
45 sed()
46 {
47 	SEDCMD="sed"
48 	[ "$PLATFORM" = "linux" ] && {
49 		set -- "$@"
50 		[ $# -ge 4 ] && {
51 			shift 2
52 			
53 			command "$SEDCMD" -i "$@"
54 			return
55 		}
56 	}
57 	command "$SEDCMD" "$@"
58 }
59 
60 
61 git_init()
62 {
63 	git init -q "$1"
64 
65 	# Switch the default branch to match our test expectations if needed.
66 	# Only need to change HEAD since 'git init' did not create any refs.
67 	# Relying on implementation details of 'git init' is no problem for us.
68 	# We want to be alerted when Git changes fundamental assumptions such
69 	# as what an empty repository looks like and where the default branch
70 	# is set. In such cases Got's own tooling might well need to change
71 	# its behaviour, too, and our tests should fail.
72 	# TODO: Update all tests to assume 'main' instead of 'master' and
73 	# switch to main here, to match Got's own default.
74 	echo "ref: refs/heads/master" > "$1/.git/HEAD"
75 }
76 
77 maybe_pack_repo()
78 {
79 	local repo="$1"
80 	if [ -n "$GOT_TEST_PACK" ]; then
81 		(cd $repo && git repack -a -q)
82 	fi
83 }
84 
85 git_commit()
86 {
87 	local repo="$1"
88 	shift
89 	(cd $repo && git commit --author="$GOT_AUTHOR" -q -a "$@")
90 	maybe_pack_repo $repo
91 }
92 
93 git_rm()
94 {
95 	local repo="$1"
96 	shift
97 	(cd $repo && git rm -q "$@")
98 }
99 
100 git_show_head()
101 {
102 	local repo="$1"
103 	(cd $repo && git show --no-patch --pretty='format:%H')
104 }
105 
106 git_show_branch_head()
107 {
108 	local repo="$1"
109 	local branch="$2"
110 	(cd $repo && git show --no-patch --pretty='format:%H' $branch)
111 }
112 
113 
114 git_show_author_time()
115 {
116 	local repo="$1"
117 	local object="$2"
118 	(cd $repo && git show --no-patch --pretty='format:%at' $object)
119 }
120 
121 git_show_tagger_time()
122 {
123 	local repo="$1"
124 	local tag="$2"
125 	(cd $repo && git cat-file tag $tag | grep ^tagger | \
126 		sed -e "s/^tagger $GOT_AUTHOR//" | cut -d' ' -f2)
127 }
128 
129 git_show_parent_commit()
130 {
131 	local repo="$1"
132 	local commit="$2"
133 	(cd $repo && git show --no-patch --pretty='format:%P' $commit)
134 }
135 
136 git_show_tree()
137 {
138 	local repo="$1"
139 	(cd $repo && git show --no-patch --pretty='format:%T')
140 }
141 
142 trim_obj_id()
143 {
144 	local trimcount=$1
145 	local id=$2
146 
147 	local pat=""
148 	while [ "$trimcount" -gt 0 ]; do
149 		pat="[0-9a-f]$pat"
150 		trimcount=$((trimcount - 1))
151 	done
152 
153 	echo ${id%$pat}
154 }
155 
156 git_commit_tree()
157 {
158 	local repo="$1"
159 	local msg="$2"
160 	local tree="$3"
161 	(cd $repo && git commit-tree -m "$msg" "$tree")
162 	maybe_pack_repo $repo
163 }
164 
165 git_fsck()
166 {
167 	local testroot="$1"
168 	local repo="$2"
169 
170 	(cd $repo && git fsck --strict \
171 		> $testroot/fsck.stdout 2> $testroot/fsck.stderr)
172 	ret="$?"
173 	if [ "$ret" != "0" ]; then
174 		echo -n "git fsck: "
175 		cat $testroot/fsck.stderr
176 		echo "git fsck failed; leaving test data in $testroot"
177 		return 1
178 	fi
179 
180 	return 0
181 }
182 
183 make_test_tree()
184 {
185 	repo="$1"
186 
187 	echo alpha > $repo/alpha
188 	echo beta > $repo/beta
189 	mkdir $repo/gamma
190 	echo delta > $repo/gamma/delta
191 	mkdir $repo/epsilon
192 	echo zeta > $repo/epsilon/zeta
193 }
194 
195 make_single_file_repo()
196 {
197 	repo="$1"
198 	file="$2"
199 
200 	mkdir $repo
201 	git_init $repo
202 	echo "this is file $file" > $repo/$file
203 	(cd $repo && git add .)
204 	git_commit $repo -m "intialize $repo with file $file"
205 }
206 
207 get_loose_object_path()
208 {
209 	local repo="$1"
210 	local id="$2"
211 	local id0=`trim_obj_id 38 $id`
212 	local idrest=`echo ${id#[0-9a-f][0-9a-f]}`
213 	echo "$repo/.git/objects/$id0/$idrest"
214 }
215 
216 get_blob_id()
217 {
218 	repo="$1"
219 	tree_path="$2"
220 	filename="$3"
221 
222 	got tree -r $repo -i $tree_path | grep "[0-9a-f] ${filename}$" | \
223 		cut -d' ' -f 1
224 }
225 
226 test_init()
227 {
228 	local testname="$1"
229 	local no_tree="$2"
230 	if [ -z "$testname" ]; then
231 		echo "No test name provided" >&2
232 		return 1
233 	fi
234 	local testroot=`mktemp -d "$GOT_TEST_ROOT/got-test-$testname-XXXXXXXX"`
235 	mkdir $testroot/repo
236 	git_init $testroot/repo
237 	if [ -z "$no_tree" ]; then
238 		make_test_tree $testroot/repo
239 		(cd $repo && git add .)
240 		git_commit $testroot/repo -m "adding the test tree"
241 	fi
242 	touch $testroot/repo/.git/git-daemon-export-ok
243 	echo "$testroot"
244 }
245 
246 test_cleanup()
247 {
248 	local testroot="$1"
249 
250 	git_fsck $testroot $testroot/repo
251 	ret="$?"
252 	if [ "$ret" != "0" ]; then
253 		return $ret
254 	fi
255 
256 	rm -rf "$testroot"
257 }
258 
259 test_parseargs()
260 {
261 	while getopts qr: flag; do
262 		case $flag in
263 		q)	export GOT_TEST_QUIET=1
264 			;;
265 		r)	export GOT_TEST_ROOT=$OPTARG
266 			;;
267 		?)	echo "Supported options:"
268 			echo "  -q: quiet mode"
269 			echo "  -r PATH: use PATH as test data root directory"
270 			exit 2
271 			;;
272 		esac
273 	done
274 } >&2
275 
276 run_test()
277 {
278 	testfunc="$1"
279 	if [ -z "$GOT_TEST_QUIET" ]; then
280 		echo -n "$testfunc "
281 	fi
282 	$testfunc
283 }
284 
285 test_done()
286 {
287 	local testroot="$1"
288 	local result="$2"
289 	if [ "$result" = "0" ]; then
290 		test_cleanup "$testroot" || return 1
291 		if [ -z "$GOT_TEST_QUIET" ]; then
292 			echo "ok"
293 		fi
294 	elif echo "$result" | grep -q "^xfail"; then
295 		# expected test failure; test reproduces an unfixed bug
296 		echo "$result"
297 		test_cleanup "$testroot" || return 1
298 	else
299 		echo "test failed; leaving test data in $testroot"
300 	fi
301 }