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 # Check to see if PLATFORM has a value.  PLATFORM is populated when running
36 # via `./configure && make` but this isn't guaranteed if an individual test is
37 # run directly, such as `regress/cmdline/tag.sh`.  In such cases, PLATFORM
38 # will be empty, but we still want to use it.  Since we test for non-linux
39 # values, only set PLATFORM if we're running on Linu so that the correct
40 # commands are used.
41 [ -z "$PLATFORM" -a "$(uname)" = "Linux" ] && PLATFORM="linux"
42 
43 if [ "$(date -u -r 86400 +%F 2>/dev/null)" != 1970-01-02 ]; then
44 	DATECMD=
45 	for p in date gdate; do
46 		if [ "$($p -u -d @86400 +%F 2>/dev/null)" = 1970-01-02 ]; then
47 			DATECMD=$p
48 			break
49 		fi
50 	done
51 	if [ -z "$DATECMD" ]; then
52 		echo "Couldn't find gdate, is GNU coreutils installed?" >&2
53 		exit 1
54 	fi
55 
56 	date()
57 	{
58 		local flag r u
59 		while getopts r:u flag; do
60 			case $flag in
61 			r)	r=$OPTARG ;;
62 			u)	u=-u ;;
63 			?)	exit 1 ;;
64 			esac
65 		done
66 		shift $((OPTIND - 1))
67 		command "$DATECMD" $u ${r+-d"@$r"} "$@"
68 	}
69 fi
70 
71 sed()
72 {
73 	SEDCMD="sed"
74 
75 	# On non-linux systems, the sed command can happily accept "-i ''" as
76 	# a valid command to not save backup files for in-place edits.
77 	# However, on linux, "-i ''" would be treated as "-i" with a blank
78 	# argument, and hence, no file to edit in-place, which is an error.
79 	#
80 	# Therefore, scan the argument list and remove "-i ''", replacing it
81 	# with just "-i".
82 
83 	[ "$PLATFORM" = "linux" ] && {
84 		for w in "$@"
85 		do
86 			[ "$w" = "-i" ] && {
87 				seen=1
88 				continue
89 			}
90 
91 			[ "$seen" = "1" -a -z "$w" ] && {
92 				# Move past -i and ''
93 				shift 2
94 
95 				command "$SEDCMD" -i "$@"
96 				return
97 			}
98 		done
99 	}
100 	command "$SEDCMD" "$@"
101 }
102 
103 
104 git_init()
105 {
106 	git init -q "$1"
107 
108 	# Switch the default branch to match our test expectations if needed.
109 	# Only need to change HEAD since 'git init' did not create any refs.
110 	# Relying on implementation details of 'git init' is no problem for us.
111 	# We want to be alerted when Git changes fundamental assumptions such
112 	# as what an empty repository looks like and where the default branch
113 	# is set. In such cases Got's own tooling might well need to change
114 	# its behaviour, too, and our tests should fail.
115 	# TODO: Update all tests to assume 'main' instead of 'master' and
116 	# switch to main here, to match Got's own default.
117 	echo "ref: refs/heads/master" > "$1/.git/HEAD"
118 }
119 
120 maybe_pack_repo()
121 {
122 	local repo="$1"
123 	if [ -n "$GOT_TEST_PACK" ]; then
124 		arg=""
125 		if [ "$GOT_TEST_PACK" = "ref-delta" ]; then
126 			arg="-D"
127 		fi
128 
129 		(cd $repo && gotadmin pack -a $arg > /dev/null)
130 		(cd $repo && gotadmin cleanup -a -q)
131 	fi
132 }
133 
134 git_commit()
135 {
136 	local repo="$1"
137 	shift
138 	(cd $repo && git commit --author="$GOT_AUTHOR" -q -a "$@")
139 	maybe_pack_repo $repo
140 }
141 
142 git_rm()
143 {
144 	local repo="$1"
145 	shift
146 	(cd $repo && git rm -q "$@")
147 }
148 
149 git_show_head()
150 {
151 	local repo="$1"
152 	(cd $repo && git show --no-patch --pretty='format:%H')
153 }
154 
155 git_show_branch_head()
156 {
157 	local repo="$1"
158 	local branch="$2"
159 	(cd $repo && git show --no-patch --pretty='format:%H' $branch)
160 }
161 
162 
163 git_show_author_time()
164 {
165 	local repo="$1"
166 	local object="$2"
167 	(cd $repo && git show --no-patch --pretty='format:%at' $object)
168 }
169 
170 git_show_tagger_time()
171 {
172 	local repo="$1"
173 	local tag="$2"
174 	(cd $repo && git cat-file tag $tag | grep ^tagger | \
175 		sed -e "s/^tagger $GOT_AUTHOR//" | cut -d' ' -f2)
176 }
177 
178 git_show_parent_commit()
179 {
180 	local repo="$1"
181 	local commit="$2"
182 	(cd $repo && git show --no-patch --pretty='format:%P' $commit)
183 }
184 
185 git_show_tree()
186 {
187 	local repo="$1"
188 	(cd $repo && git show --no-patch --pretty='format:%T')
189 }
190 
191 trim_obj_id()
192 {
193 	local trimcount=$1
194 	local id=$2
195 
196 	local pat=""
197 	while [ "$trimcount" -gt 0 ]; do
198 		pat="[0-9a-f]$pat"
199 		trimcount=$((trimcount - 1))
200 	done
201 
202 	echo ${id%$pat}
203 }
204 
205 git_commit_tree()
206 {
207 	local repo="$1"
208 	local msg="$2"
209 	local tree="$3"
210 	(cd $repo && git commit-tree -m "$msg" "$tree")
211 }
212 
213 git_fsck()
214 {
215 	local testroot="$1"
216 	local repo="$2"
217 
218 	(cd $repo && git fsck --strict \
219 		> $testroot/fsck.stdout 2> $testroot/fsck.stderr)
220 	ret=$?
221 	if [ $ret -ne 0 ]; then
222 		echo -n "git fsck: "
223 		cat $testroot/fsck.stderr
224 		echo "git fsck failed; leaving test data in $testroot"
225 		return 1
226 	fi
227 
228 	return 0
229 }
230 
231 make_test_tree()
232 {
233 	repo="$1"
234 
235 	echo alpha > $repo/alpha
236 	echo beta > $repo/beta
237 	mkdir $repo/gamma
238 	echo delta > $repo/gamma/delta
239 	mkdir $repo/epsilon
240 	echo zeta > $repo/epsilon/zeta
241 }
242 
243 make_single_file_repo()
244 {
245 	repo="$1"
246 	file="$2"
247 
248 	mkdir $repo
249 	git_init $repo
250 	echo "this is file $file" > $repo/$file
251 	(cd $repo && git add .)
252 	git_commit $repo -m "intialize $repo with file $file"
253 }
254 
255 get_loose_object_path()
256 {
257 	local repo="$1"
258 	local id="$2"
259 	local id0=`trim_obj_id 38 $id`
260 	local idrest=`echo ${id#[0-9a-f][0-9a-f]}`
261 	echo "$repo/.git/objects/$id0/$idrest"
262 }
263 
264 get_blob_id()
265 {
266 	repo="$1"
267 	tree_path="$2"
268 	filename="$3"
269 
270 	got tree -r $repo -i $tree_path | grep "[0-9a-f] ${filename}$" | \
271 		cut -d' ' -f 1
272 }
273 
274 test_init()
275 {
276 	local testname="$1"
277 	local no_tree="$2"
278 	if [ -z "$testname" ]; then
279 		echo "No test name provided" >&2
280 		return 1
281 	fi
282 	local testroot=`mktemp -d "$GOT_TEST_ROOT/got-test-$testname-XXXXXXXX"`
283 	mkdir $testroot/repo
284 	git_init $testroot/repo
285 	if [ -z "$no_tree" ]; then
286 		make_test_tree $testroot/repo
287 		(cd $repo && git add .)
288 		git_commit $testroot/repo -m "adding the test tree"
289 	fi
290 	touch $testroot/repo/.git/git-daemon-export-ok
291 	echo "$testroot"
292 }
293 
294 test_cleanup()
295 {
296 	local testroot="$1"
297 
298 	git_fsck $testroot $testroot/repo
299 	ret=$?
300 	if [ $ret -ne 0 ]; then
301 		return $ret
302 	fi
303 
304 	rm -rf "$testroot"
305 }
306 
307 test_parseargs()
308 {
309 	while getopts qr: flag; do
310 		case $flag in
311 		q)	export GOT_TEST_QUIET=1
312 			;;
313 		r)	export GOT_TEST_ROOT=${OPTARG%/}
314 			;;
315 		?)	echo "Supported options:"
316 			echo "  -q: quiet mode"
317 			echo "  -r PATH: use PATH as test data root directory"
318 			exit 2
319 			;;
320 		esac
321 	done
322 	shift $(($OPTIND - 1))
323 	regress_run_only="$@"
324 } >&2
325 
326 run_test()
327 {
328 	testfunc="$1"
329 
330 	if [ -n "$regress_run_only" ]; then
331 		case "$regress_run_only" in
332 		*$testfunc*) ;;
333 		*) return ;;
334 		esac
335 	fi
336 
337 	if [ -z "$GOT_TEST_QUIET" ]; then
338 		echo -n "$testfunc "
339 	fi
340 	$testfunc
341 }
342 
343 test_done()
344 {
345 	local testroot="$1"
346 	local result="$2"
347 	if [ "$result" = "0" ]; then
348 		test_cleanup "$testroot" || return 1
349 		if [ -z "$GOT_TEST_QUIET" ]; then
350 			echo "ok"
351 		fi
352 	elif echo "$result" | grep -q "^xfail"; then
353 		# expected test failure; test reproduces an unfixed bug
354 		echo "$result"
355 		test_cleanup "$testroot" || return 1
356 	else
357 		echo "test failed; leaving test data in $testroot"
358 	fi
359 }