1#!/bin/sh
2#
3# Copyright (c) 2006 Shawn O. Pearce
4#
5
6test_description='Test the update hook infrastructure.'
7. ./test-lib.sh
8
9test_expect_success setup '
10	echo This is a test. >a &&
11	git update-index --add a &&
12	tree0=$(git write-tree) &&
13	commit0=$(echo setup | git commit-tree $tree0) &&
14	echo We hope it works. >a &&
15	git update-index a &&
16	tree1=$(git write-tree) &&
17	commit1=$(echo modify | git commit-tree $tree1 -p $commit0) &&
18	git update-ref refs/heads/main $commit0 &&
19	git update-ref refs/heads/tofail $commit1 &&
20	git clone --bare ./. victim.git &&
21	GIT_DIR=victim.git git update-ref refs/heads/tofail $commit1 &&
22	git update-ref refs/heads/main $commit1 &&
23	git update-ref refs/heads/tofail $commit0
24'
25
26cat >victim.git/hooks/pre-receive <<'EOF'
27#!/bin/sh
28printf %s "$@" >>$GIT_DIR/pre-receive.args
29cat - >$GIT_DIR/pre-receive.stdin
30echo STDOUT pre-receive
31echo STDERR pre-receive >&2
32EOF
33chmod u+x victim.git/hooks/pre-receive
34
35cat >victim.git/hooks/update <<'EOF'
36#!/bin/sh
37echo "$@" >>$GIT_DIR/update.args
38read x; printf %s "$x" >$GIT_DIR/update.stdin
39echo STDOUT update $1
40echo STDERR update $1 >&2
41test "$1" = refs/heads/main || exit
42EOF
43chmod u+x victim.git/hooks/update
44
45cat >victim.git/hooks/post-receive <<'EOF'
46#!/bin/sh
47printf %s "$@" >>$GIT_DIR/post-receive.args
48cat - >$GIT_DIR/post-receive.stdin
49echo STDOUT post-receive
50echo STDERR post-receive >&2
51EOF
52chmod u+x victim.git/hooks/post-receive
53
54cat >victim.git/hooks/post-update <<'EOF'
55#!/bin/sh
56echo "$@" >>$GIT_DIR/post-update.args
57read x; printf %s "$x" >$GIT_DIR/post-update.stdin
58echo STDOUT post-update
59echo STDERR post-update >&2
60EOF
61chmod u+x victim.git/hooks/post-update
62
63test_expect_success push '
64	test_must_fail git send-pack --force ./victim.git \
65		main tofail >send.out 2>send.err
66'
67
68test_expect_success 'updated as expected' '
69	test $(GIT_DIR=victim.git git rev-parse main) = $commit1 &&
70	test $(GIT_DIR=victim.git git rev-parse tofail) = $commit1
71'
72
73test_expect_success 'hooks ran' '
74	test -f victim.git/pre-receive.args &&
75	test -f victim.git/pre-receive.stdin &&
76	test -f victim.git/update.args &&
77	test -f victim.git/update.stdin &&
78	test -f victim.git/post-receive.args &&
79	test -f victim.git/post-receive.stdin &&
80	test -f victim.git/post-update.args &&
81	test -f victim.git/post-update.stdin
82'
83
84test_expect_success 'pre-receive hook input' '
85	(echo $commit0 $commit1 refs/heads/main &&
86	 echo $commit1 $commit0 refs/heads/tofail
87	) | test_cmp - victim.git/pre-receive.stdin
88'
89
90test_expect_success 'update hook arguments' '
91	(echo refs/heads/main $commit0 $commit1 &&
92	 echo refs/heads/tofail $commit1 $commit0
93	) | test_cmp - victim.git/update.args
94'
95
96test_expect_success 'post-receive hook input' '
97	echo $commit0 $commit1 refs/heads/main |
98	test_cmp - victim.git/post-receive.stdin
99'
100
101test_expect_success 'post-update hook arguments' '
102	echo refs/heads/main |
103	test_cmp - victim.git/post-update.args
104'
105
106test_expect_success 'all hook stdin is /dev/null' '
107	test_must_be_empty victim.git/update.stdin &&
108	test_must_be_empty victim.git/post-update.stdin
109'
110
111test_expect_success 'all *-receive hook args are empty' '
112	test_must_be_empty victim.git/pre-receive.args &&
113	test_must_be_empty victim.git/post-receive.args
114'
115
116test_expect_success 'send-pack produced no output' '
117	test_must_be_empty send.out
118'
119
120cat <<EOF >expect
121remote: STDOUT pre-receive
122remote: STDERR pre-receive
123remote: STDOUT update refs/heads/main
124remote: STDERR update refs/heads/main
125remote: STDOUT update refs/heads/tofail
126remote: STDERR update refs/heads/tofail
127remote: error: hook declined to update refs/heads/tofail
128remote: STDOUT post-receive
129remote: STDERR post-receive
130remote: STDOUT post-update
131remote: STDERR post-update
132EOF
133test_expect_success 'send-pack stderr contains hook messages' '
134	grep ^remote: send.err | sed "s/ *\$//" >actual &&
135	test_cmp expect actual
136'
137
138test_expect_success 'pre-receive hook that forgets to read its input' '
139	write_script victim.git/hooks/pre-receive <<-\EOF &&
140	exit 0
141	EOF
142	rm -f victim.git/hooks/update victim.git/hooks/post-update &&
143
144	for v in $(test_seq 100 999)
145	do
146		git branch branch_$v main || return
147	done &&
148	git push ./victim.git "+refs/heads/*:refs/heads/*"
149'
150
151test_done
152