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 regress_run_only=""
18 
19 export GIT_AUTHOR_NAME="Flan Hacker"
20 export GIT_AUTHOR_EMAIL="flan_hacker@openbsd.org"
21 export GIT_COMMITTER_NAME="$GIT_AUTHOR_NAME"
22 export GIT_COMMITTER_EMAIL="$GIT_AUTHOR_EMAIL"
23 export GOT_AUTHOR="$GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>"
24 export GOT_AUTHOR_8="flan_hac"
25 export GOT_AUTHOR_11="flan_hacker"
26 export GOT_LOG_DEFAULT_LIMIT=0
27 export GOT_TEST_ROOT="/tmp"
28 export GOT_IGNORE_GITCONFIG=1
29 export GOT_VERSION_STR=`got --version | cut -d ' ' -f2`
30 export GOT_TEST_HTTP_PORT=8080
31 
32 export LC_ALL=C
33 
34 export MALLOC_OPTIONS=S
35 
36 if [ "$(date -u -r 86400 +%F 2>/dev/null)" != 1970-01-02 ]; then
37 	DATECMD=
38 	for p in date gdate; do
39 		if [ "$($p -u -d @86400 +%F 2>/dev/null)" = 1970-01-02 ]; then
40 			DATECMD=$p
41 			break
42 		fi
43 	done
44 	if [ -z "$DATECMD" ]; then
45 		echo "Couldn't find gdate, is GNU coreutils installed?" >&2
46 		exit 1
47 	fi
48 
49 	date()
50 	{
51 		local flag r u
52 		while getopts r:u flag; do
53 			case $flag in
54 			r)	r=$OPTARG ;;
55 			u)	u=-u ;;
56 			?)	exit 1 ;;
57 			esac
58 		done
59 		shift $((OPTIND - 1))
60 		command "$DATECMD" $u ${r+-d"@$r"} "$@"
61 	}
62 fi
63 
64 git_init()
65 {
66 	git init -q "$1"
67 
68 	# Switch the default branch to match our test expectations if needed.
69 	# Only need to change HEAD since 'git init' did not create any refs.
70 	# Relying on implementation details of 'git init' is no problem for us.
71 	# We want to be alerted when Git changes fundamental assumptions such
72 	# as what an empty repository looks like and where the default branch
73 	# is set. In such cases Got's own tooling might well need to change
74 	# its behaviour, too, and our tests should fail.
75 	# TODO: Update all tests to assume 'main' instead of 'master' and
76 	# switch to main here, to match Got's own default.
77 	echo "ref: refs/heads/master" > "$1/.git/HEAD"
78 }
79 
80 maybe_pack_repo()
81 {
82 	local repo="$1"
83 	if [ -n "$GOT_TEST_PACK" ]; then
84 		arg=""
85 		if [ "$GOT_TEST_PACK" = "ref-delta" ]; then
86 			arg="-D"
87 		fi
88 
89 		(cd $repo && gotadmin pack -a $arg > /dev/null)
90 		(cd $repo && gotadmin cleanup -a -q)
91 	fi
92 }
93 
94 git_commit()
95 {
96 	local repo="$1"
97 	shift
98 	git -C $repo commit --author="$GOT_AUTHOR" -q -a "$@"
99 	maybe_pack_repo $repo
100 }
101 
102 git_rm()
103 {
104 	local repo="$1"
105 	shift
106 	git -C $repo rm -q "$@"
107 }
108 
109 git_rmdir()
110 {
111 	local repo="$1"
112 	shift
113 	git -C $repo rm -q -r "$@"
114 }
115 
116 git_show_head()
117 {
118 	local repo="$1"
119 	git -C $repo show --no-patch --pretty='format:%H'
120 }
121 
122 git_show_branch_head()
123 {
124 	local repo="$1"
125 	local branch="$2"
126 	git -C $repo show --no-patch --pretty='format:%H' $branch
127 }
128 
129 
130 git_show_author_time()
131 {
132 	local repo="$1"
133 	local object="$2"
134 	git -C $repo show --no-patch --pretty='format:%at' $object
135 }
136 
137 git_show_tagger_time()
138 {
139 	local repo="$1"
140 	local tag="$2"
141 	git -C $repo cat-file tag $tag | grep ^tagger | \
142 		sed -e "s/^tagger $GOT_AUTHOR//" | cut -d' ' -f2
143 }
144 
145 git_show_parent_commit()
146 {
147 	local repo="$1"
148 	local commit="$2"
149 	git -C $repo show --no-patch --pretty='format:%P' $commit
150 }
151 
152 git_show_tree()
153 {
154 	local repo="$1"
155 	git -C $repo show --no-patch --pretty='format:%T'
156 }
157 
158 trim_obj_id()
159 {
160 	local trimcount=$1
161 	local id=$2
162 
163 	local pat=""
164 	while [ "$trimcount" -gt 0 ]; do
165 		pat="[0-9a-f]$pat"
166 		trimcount=$((trimcount - 1))
167 	done
168 
169 	echo ${id%$pat}
170 }
171 
172 pop_idx()
173 {
174 	shift "$1"
175 	printf '%s' "${1:-index-out-of-bounds}"
176 }
177 
178 git_commit_tree()
179 {
180 	local repo="$1"
181 	local msg="$2"
182 	local tree="$3"
183 	git -C $repo commit-tree -m "$msg" "$tree"
184 }
185 
186 git_fsck()
187 {
188 	local testroot="$1"
189 	local repo="$2"
190 
191 	git -C $repo fsck --strict \
192 		> $testroot/fsck.stdout 2> $testroot/fsck.stderr
193 	ret=$?
194 	if [ $ret -ne 0 ]; then
195 		echo -n "git fsck: "
196 		cat $testroot/fsck.stderr
197 		echo "git fsck failed; leaving test data in $testroot"
198 		return 1
199 	fi
200 
201 	return 0
202 }
203 
204 make_test_tree()
205 {
206 	repo="$1"
207 
208 	echo alpha > $repo/alpha
209 	echo beta > $repo/beta
210 	mkdir $repo/gamma
211 	echo delta > $repo/gamma/delta
212 	mkdir $repo/epsilon
213 	echo zeta > $repo/epsilon/zeta
214 }
215 
216 make_single_file_repo()
217 {
218 	repo="$1"
219 	file="$2"
220 
221 	mkdir $repo
222 	git_init $repo
223 	echo "this is file $file" > $repo/$file
224 	git -C $repo add .
225 	git_commit $repo -m "intialize $repo with file $file"
226 }
227 
228 get_loose_object_path()
229 {
230 	local repo="$1"
231 	local id="$2"
232 	local id0=`trim_obj_id 38 $id`
233 	local idrest=`echo ${id#[0-9a-f][0-9a-f]}`
234 	echo "$repo/.git/objects/$id0/$idrest"
235 }
236 
237 get_blob_id()
238 {
239 	repo="$1"
240 	tree_path="$2"
241 	filename="$3"
242 
243 	got tree -r $repo -i $tree_path | grep "[0-9a-f] ${filename}$" | \
244 		cut -d' ' -f 1
245 }
246 
247 test_init()
248 {
249 	local testname="$1"
250 	local no_tree="$2"
251 	if [ -z "$testname" ]; then
252 		echo "No test name provided" >&2
253 		return 1
254 	fi
255 	local testroot=`mktemp -d \
256 	    "$GOT_TEST_ROOT/got-test-$testname-XXXXXXXXXX"`
257 	mkdir $testroot/repo
258 	git_init $testroot/repo
259 	if [ -z "$no_tree" ]; then
260 		make_test_tree $testroot/repo
261 		git -C $repo add .
262 		git_commit $testroot/repo -m "adding the test tree"
263 	fi
264 	touch $testroot/repo/.git/git-daemon-export-ok
265 	echo "$testroot"
266 }
267 
268 test_cleanup()
269 {
270 	local testroot="$1"
271 
272 	git_fsck $testroot $testroot/repo
273 	ret=$?
274 	if [ $ret -ne 0 ]; then
275 		return $ret
276 	fi
277 
278 	rm -rf "$testroot"
279 }
280 
281 test_parseargs()
282 {
283 	while getopts qr: flag; do
284 		case $flag in
285 		q)	export GOT_TEST_QUIET=1
286 			;;
287 		r)	export GOT_TEST_ROOT=${OPTARG%/}
288 			;;
289 		?)	echo "Supported options:"
290 			echo "  -q: quiet mode"
291 			echo "  -r PATH: use PATH as test data root directory"
292 			exit 2
293 			;;
294 		esac
295 	done
296 	shift $(($OPTIND - 1))
297 	regress_run_only="$@"
298 } >&2
299 
300 run_test()
301 {
302 	testfunc="$1"
303 
304 	if [ -n "$regress_run_only" ]; then
305 		case "$regress_run_only" in
306 		*$testfunc*) ;;
307 		*) return ;;
308 		esac
309 	fi
310 
311 	if [ -z "$GOT_TEST_QUIET" ]; then
312 		echo -n "$testfunc "
313 	fi
314 	$testfunc
315 }
316 
317 test_done()
318 {
319 	local testroot="$1"
320 	local result="$2"
321 	if [ "$result" = "0" ]; then
322 		test_cleanup "$testroot" || return 1
323 		if [ -z "$GOT_TEST_QUIET" ]; then
324 			echo "ok"
325 		fi
326 	elif echo "$result" | grep -q "^xfail"; then
327 		# expected test failure; test reproduces an unfixed bug
328 		echo "$result"
329 		test_cleanup "$testroot" || return 1
330 	else
331 		echo "test failed; leaving test data in $testroot"
332 	fi
333 }