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