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