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 MALLOC_OPTIONS=S
32 
33 # Check to see if PLATFORM has a value.  PLATFORM is populated when running
34 # via `./configure && make` but this isn't guaranteed if an individual test is
35 # run directly, such as `regress/cmdline/tag.sh`.  In such cases, PLATFORM
36 # will be empty, but we still want to use it.  Since we test for non-linux
37 # values, only set PLATFORM if we're running on Linu so that the correct
38 # commands are used.
39 [ -z "$PLATFORM" -a "$(uname)" = "Linux" ] && PLATFORM="linux"
40 
41 date()
42 {
43 	DATECMD="date"
44 	[ "$PLATFORM" != "linux" ] && {
45 		command -v "gdate" >/dev/null 2>&1 && {
46 			DATECMD="gdate"
47 		} || {
48 			echo "Couldn't find gdate is GNU coreutils installed?"
49 		}
50 	}
51 	command "$DATECMD" "$@"
52 }
53 
54 ln()
55 {
56 	LNCMD="ln"
57 	[ "$PLATFORM" != "linux" ] && {
58 		command -v "gln" >/dev/null 2>&1 && {
59 			LNCMD="gln"
60 		} || {
61 			echo "Couldn't find gln is GNU coreutils installed?"
62 		}
63 	}
64 	command "$LNCMD" "$@"
65 }
66 
67 sed()
68 {
69 	SEDCMD="sed"
70 
71 	# On non-linux systems, the sed command can happily accept "-i ''" as
72 	# a valid command to not save backup files for in-place edits.
73 	# However, on linux, "-i ''" would be treated as "-i" with a blank
74 	# argument, and hence, no file to edit in-place, which is an error.
75 	#
76 	# Therefore, scan the argument list and remove "-i ''", replacing it
77 	# with just "-i".
78 
79 	[ "$PLATFORM" = "linux" ] && {
80 		for w in "$@"
81 		do
82 			[ "$w" = "-i" ] && {
83 				seen=1
84 				continue
85 			}
86 
87 			[ "$seen" = "1" -a -z "$w" ] && {
88 				# Move past -i and ''
89 				shift 2
90 
91 				command "$SEDCMD" -i "$@"
92 				return
93 			}
94 		done
95 	}
96 	command "$SEDCMD" "$@"
97 }
98 
99 
100 git_init()
101 {
102 	git init -q "$1"
103 
104 	# Switch the default branch to match our test expectations if needed.
105 	# Only need to change HEAD since 'git init' did not create any refs.
106 	# Relying on implementation details of 'git init' is no problem for us.
107 	# We want to be alerted when Git changes fundamental assumptions such
108 	# as what an empty repository looks like and where the default branch
109 	# is set. In such cases Got's own tooling might well need to change
110 	# its behaviour, too, and our tests should fail.
111 	# TODO: Update all tests to assume 'main' instead of 'master' and
112 	# switch to main here, to match Got's own default.
113 	echo "ref: refs/heads/master" > "$1/.git/HEAD"
114 }
115 
116 maybe_pack_repo()
117 {
118 	local repo="$1"
119 	if [ -n "$GOT_TEST_PACK" ]; then
120 		arg=""
121 		if [ "$GOT_TEST_PACK" = "ref-delta" ]; then
122 			arg="-D"
123 		fi
124 
125 		(cd $repo && gotadmin pack -a $arg > /dev/null)
126 		(cd $repo && gotadmin cleanup -a -q)
127 	fi
128 }
129 
130 git_commit()
131 {
132 	local repo="$1"
133 	shift
134 	(cd $repo && git commit --author="$GOT_AUTHOR" -q -a "$@")
135 	maybe_pack_repo $repo
136 }
137 
138 git_rm()
139 {
140 	local repo="$1"
141 	shift
142 	(cd $repo && git rm -q "$@")
143 }
144 
145 git_show_head()
146 {
147 	local repo="$1"
148 	(cd $repo && git show --no-patch --pretty='format:%H')
149 }
150 
151 git_show_branch_head()
152 {
153 	local repo="$1"
154 	local branch="$2"
155 	(cd $repo && git show --no-patch --pretty='format:%H' $branch)
156 }
157 
158 
159 git_show_author_time()
160 {
161 	local repo="$1"
162 	local object="$2"
163 	(cd $repo && git show --no-patch --pretty='format:%at' $object)
164 }
165 
166 git_show_tagger_time()
167 {
168 	local repo="$1"
169 	local tag="$2"
170 	(cd $repo && git cat-file tag $tag | grep ^tagger | \
171 		sed -e "s/^tagger $GOT_AUTHOR//" | cut -d' ' -f2)
172 }
173 
174 git_show_parent_commit()
175 {
176 	local repo="$1"
177 	local commit="$2"
178 	(cd $repo && git show --no-patch --pretty='format:%P' $commit)
179 }
180 
181 git_show_tree()
182 {
183 	local repo="$1"
184 	(cd $repo && git show --no-patch --pretty='format:%T')
185 }
186 
187 trim_obj_id()
188 {
189 	local trimcount=$1
190 	local id=$2
191 
192 	local pat=""
193 	while [ "$trimcount" -gt 0 ]; do
194 		pat="[0-9a-f]$pat"
195 		trimcount=$((trimcount - 1))
196 	done
197 
198 	echo ${id%$pat}
199 }
200 
201 git_commit_tree()
202 {
203 	local repo="$1"
204 	local msg="$2"
205 	local tree="$3"
206 	(cd $repo && git commit-tree -m "$msg" "$tree")
207 }
208 
209 git_fsck()
210 {
211 	local testroot="$1"
212 	local repo="$2"
213 
214 	(cd $repo && git fsck --strict \
215 		> $testroot/fsck.stdout 2> $testroot/fsck.stderr)
216 	ret=$?
217 	if [ $ret -ne 0 ]; then
218 		echo -n "git fsck: "
219 		cat $testroot/fsck.stderr
220 		echo "git fsck failed; leaving test data in $testroot"
221 		return 1
222 	fi
223 
224 	return 0
225 }
226 
227 make_test_tree()
228 {
229 	repo="$1"
230 
231 	echo alpha > $repo/alpha
232 	echo beta > $repo/beta
233 	mkdir $repo/gamma
234 	echo delta > $repo/gamma/delta
235 	mkdir $repo/epsilon
236 	echo zeta > $repo/epsilon/zeta
237 }
238 
239 make_single_file_repo()
240 {
241 	repo="$1"
242 	file="$2"
243 
244 	mkdir $repo
245 	git_init $repo
246 	echo "this is file $file" > $repo/$file
247 	(cd $repo && git add .)
248 	git_commit $repo -m "intialize $repo with file $file"
249 }
250 
251 get_loose_object_path()
252 {
253 	local repo="$1"
254 	local id="$2"
255 	local id0=`trim_obj_id 38 $id`
256 	local idrest=`echo ${id#[0-9a-f][0-9a-f]}`
257 	echo "$repo/.git/objects/$id0/$idrest"
258 }
259 
260 get_blob_id()
261 {
262 	repo="$1"
263 	tree_path="$2"
264 	filename="$3"
265 
266 	got tree -r $repo -i $tree_path | grep "[0-9a-f] ${filename}$" | \
267 		cut -d' ' -f 1
268 }
269 
270 test_init()
271 {
272 	local testname="$1"
273 	local no_tree="$2"
274 	if [ -z "$testname" ]; then
275 		echo "No test name provided" >&2
276 		return 1
277 	fi
278 	local testroot=`mktemp -d "$GOT_TEST_ROOT/got-test-$testname-XXXXXXXX"`
279 	mkdir $testroot/repo
280 	git_init $testroot/repo
281 	if [ -z "$no_tree" ]; then
282 		make_test_tree $testroot/repo
283 		(cd $repo && git add .)
284 		git_commit $testroot/repo -m "adding the test tree"
285 	fi
286 	touch $testroot/repo/.git/git-daemon-export-ok
287 	echo "$testroot"
288 }
289 
290 test_cleanup()
291 {
292 	local testroot="$1"
293 
294 	git_fsck $testroot $testroot/repo
295 	ret=$?
296 	if [ $ret -ne 0 ]; then
297 		return $ret
298 	fi
299 
300 	rm -rf "$testroot"
301 }
302 
303 test_parseargs()
304 {
305 	while getopts qr: flag; do
306 		case $flag in
307 		q)	export GOT_TEST_QUIET=1
308 			;;
309 		r)	export GOT_TEST_ROOT=${OPTARG%/}
310 			;;
311 		?)	echo "Supported options:"
312 			echo "  -q: quiet mode"
313 			echo "  -r PATH: use PATH as test data root directory"
314 			exit 2
315 			;;
316 		esac
317 	done
318 	shift $(($OPTIND - 1))
319 	regress_run_only="$@"
320 } >&2
321 
322 run_test()
323 {
324 	testfunc="$1"
325 
326 	if [ -n "$regress_run_only" ]; then
327 		case "$regress_run_only" in
328 		*$testfunc*) ;;
329 		*) return ;;
330 		esac
331 	fi
332 
333 	if [ -z "$GOT_TEST_QUIET" ]; then
334 		echo -n "$testfunc "
335 	fi
336 	$testfunc
337 }
338 
339 test_done()
340 {
341 	local testroot="$1"
342 	local result="$2"
343 	if [ "$result" = "0" ]; then
344 		test_cleanup "$testroot" || return 1
345 		if [ -z "$GOT_TEST_QUIET" ]; then
346 			echo "ok"
347 		fi
348 	elif echo "$result" | grep -q "^xfail"; then
349 		# expected test failure; test reproduces an unfixed bug
350 		echo "$result"
351 		test_cleanup "$testroot" || return 1
352 	else
353 		echo "test failed; leaving test data in $testroot"
354 	fi
355 }