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 export GIT_AUTHOR_NAME="Flan Hacker"
18 export GIT_AUTHOR_EMAIL="flan_hacker@openbsd.org"
19 export GIT_COMMITTER_NAME="$GIT_AUTHOR_NAME"
20 export GIT_COMMITTER_EMAIL="$GIT_AUTHOR_EMAIL"
21 export GOT_AUTHOR="$GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>"
22 export GOT_AUTHOR_8="flan_hac"
23 export GOT_AUTHOR_11="flan_hacker"
24 export GOT_LOG_DEFAULT_LIMIT=0
25 export GOT_TEST_ROOT="/tmp"
26 
27 export MALLOC_OPTIONS=S
28 
29 git_init()
30 {
31 	git init -q "$1"
32 }
33 
34 maybe_pack_repo()
35 {
36 	local repo="$1"
37 	if [ -n "$GOT_TEST_PACK" ]; then
38 		(cd $repo && git repack -a -q)
39 	fi
40 }
41 
42 git_commit()
43 {
44 	local repo="$1"
45 	shift
46 	(cd $repo && git commit --author="$GOT_AUTHOR" -q -a "$@")
47 	maybe_pack_repo $repo
48 }
49 
50 git_rm()
51 {
52 	local repo="$1"
53 	shift
54 	(cd $repo && git rm -q "$@")
55 }
56 
57 git_show_head()
58 {
59 	local repo="$1"
60 	(cd $repo && git show --no-patch --pretty='format:%H')
61 }
62 
63 git_show_branch_head()
64 {
65 	local repo="$1"
66 	local branch="$2"
67 	(cd $repo && git show --no-patch --pretty='format:%H' $branch)
68 }
69 
70 
71 git_show_author_time()
72 {
73 	local repo="$1"
74 	local object="$2"
75 	(cd $repo && git show --no-patch --pretty='format:%at' $object)
76 }
77 
78 git_show_tagger_time()
79 {
80 	local repo="$1"
81 	local tag="$2"
82 	(cd $repo && git cat-file tag $tag | grep ^tagger | \
83 		sed -e "s/^tagger $GOT_AUTHOR//" | cut -d' ' -f2)
84 }
85 
86 git_show_parent_commit()
87 {
88 	local repo="$1"
89 	local commit="$2"
90 	(cd $repo && git show --no-patch --pretty='format:%P' $commit)
91 }
92 
93 git_show_tree()
94 {
95 	local repo="$1"
96 	(cd $repo && git show --no-patch --pretty='format:%T')
97 }
98 
99 trim_obj_id()
100 {
101 	local trimcount=$1
102 	local id=$2
103 
104 	local pat=""
105 	while [ "$trimcount" -gt 0 ]; do
106 		pat="[0-9a-f]$pat"
107 		trimcount=$((trimcount - 1))
108 	done
109 
110 	echo ${id%$pat}
111 }
112 
113 git_commit_tree()
114 {
115 	local repo="$1"
116 	local msg="$2"
117 	local tree="$3"
118 	(cd $repo && git commit-tree -m "$msg" "$tree")
119 	maybe_pack_repo $repo
120 }
121 
122 git_fsck()
123 {
124 	local testroot="$1"
125 	local repo="$2"
126 
127 	(cd $repo && git fsck --strict \
128 		> $testroot/fsck.stdout 2> $testroot/fsck.stderr)
129 	ret="$?"
130 	if [ "$ret" != "0" ]; then
131 		echo -n "git fsck: "
132 		cat $testroot/fsck.stderr
133 		echo "git fsck failed; leaving test data in $testroot"
134 		return 1
135 	fi
136 
137 	return 0
138 }
139 
140 make_test_tree()
141 {
142 	repo="$1"
143 
144 	echo alpha > $repo/alpha
145 	echo beta > $repo/beta
146 	mkdir $repo/gamma
147 	echo delta > $repo/gamma/delta
148 	mkdir $repo/epsilon
149 	echo zeta > $repo/epsilon/zeta
150 }
151 
152 make_single_file_repo()
153 {
154 	repo="$1"
155 	file="$2"
156 
157 	mkdir $repo
158 	git_init $repo
159 	echo "this is file $file" > $repo/$file
160 	(cd $repo && git add .)
161 	git_commit $repo -m "intialize $repo with file $file"
162 }
163 
164 get_loose_object_path()
165 {
166 	local repo="$1"
167 	local id="$2"
168 	local id0=`trim_obj_id 38 $id`
169 	local idrest=`echo ${id#[0-9a-f][0-9a-f]}`
170 	echo "$repo/.git/objects/$id0/$idrest"
171 }
172 
173 get_blob_id()
174 {
175 	repo="$1"
176 	tree_path="$2"
177 	filename="$3"
178 
179 	got tree -r $repo -i $tree_path | grep "[0-9a-f] ${filename}$" | \
180 		cut -d' ' -f 1
181 }
182 
183 test_init()
184 {
185 	local testname="$1"
186 	local no_tree="$2"
187 	if [ -z "$testname" ]; then
188 		echo "No test name provided" >&2
189 		return 1
190 	fi
191 	local testroot=`mktemp -d "$GOT_TEST_ROOT/got-test-$testname-XXXXXXXX"`
192 	mkdir $testroot/repo
193 	git_init $testroot/repo
194 	if [ -z "$no_tree" ]; then
195 		make_test_tree $testroot/repo
196 		(cd $repo && git add .)
197 		git_commit $testroot/repo -m "adding the test tree"
198 	fi
199 	touch $testroot/repo/.git/git-daemon-export-ok
200 	echo "$testroot"
201 }
202 
203 test_cleanup()
204 {
205 	local testroot="$1"
206 
207 	git_fsck $testroot $testroot/repo
208 	ret="$?"
209 	if [ "$ret" != "0" ]; then
210 		return $ret
211 	fi
212 
213 	rm -rf "$testroot"
214 }
215 
216 test_parseargs()
217 {
218 	while getopts qr: flag; do
219 		case $flag in
220 		q)	export GOT_TEST_QUIET=1
221 			;;
222 		r)	export GOT_TEST_ROOT=$OPTARG
223 			;;
224 		?)	echo "Supported options:"
225 			echo "  -q: quiet mode"
226 			echo "  -r PATH: use PATH as test data root directory"
227 			exit 2
228 			;;
229 		esac
230 	done
231 } >&2
232 
233 run_test()
234 {
235 	testfunc="$1"
236 	if [ -z "$GOT_TEST_QUIET" ]; then
237 		echo -n "$testfunc "
238 	fi
239 	$testfunc
240 }
241 
242 test_done()
243 {
244 	local testroot="$1"
245 	local result="$2"
246 	if [ "$result" = "0" ]; then
247 		test_cleanup "$testroot" || return 1
248 		if [ -z "$GOT_TEST_QUIET" ]; then
249 			echo "ok"
250 		fi
251 	elif echo "$result" | grep -q "^xfail"; then
252 		# expected test failure; test reproduces an unfixed bug
253 		echo "$result"
254 		test_cleanup "$testroot" || return 1
255 	else
256 		echo "test failed; leaving test data in $testroot"
257 	fi
258 }