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