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