t0013: add a basic sha1 collision detection test
[git] / t / t5401-update-hooks.sh
1 #!/bin/sh
2 #
3 # Copyright (c) 2006 Shawn O. Pearce
4 #
5
6 test_description='Test the update hook infrastructure.'
7 . ./test-lib.sh
8
9 test_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/master $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/master $commit1 &&
23         git update-ref refs/heads/tofail $commit0
24 '
25
26 cat >victim.git/hooks/pre-receive <<'EOF'
27 #!/bin/sh
28 printf %s "$@" >>$GIT_DIR/pre-receive.args
29 cat - >$GIT_DIR/pre-receive.stdin
30 echo STDOUT pre-receive
31 echo STDERR pre-receive >&2
32 EOF
33 chmod u+x victim.git/hooks/pre-receive
34
35 cat >victim.git/hooks/update <<'EOF'
36 #!/bin/sh
37 echo "$@" >>$GIT_DIR/update.args
38 read x; printf %s "$x" >$GIT_DIR/update.stdin
39 echo STDOUT update $1
40 echo STDERR update $1 >&2
41 test "$1" = refs/heads/master || exit
42 EOF
43 chmod u+x victim.git/hooks/update
44
45 cat >victim.git/hooks/post-receive <<'EOF'
46 #!/bin/sh
47 printf %s "$@" >>$GIT_DIR/post-receive.args
48 cat - >$GIT_DIR/post-receive.stdin
49 echo STDOUT post-receive
50 echo STDERR post-receive >&2
51 EOF
52 chmod u+x victim.git/hooks/post-receive
53
54 cat >victim.git/hooks/post-update <<'EOF'
55 #!/bin/sh
56 echo "$@" >>$GIT_DIR/post-update.args
57 read x; printf %s "$x" >$GIT_DIR/post-update.stdin
58 echo STDOUT post-update
59 echo STDERR post-update >&2
60 EOF
61 chmod u+x victim.git/hooks/post-update
62
63 test_expect_success push '
64         test_must_fail git send-pack --force ./victim.git \
65                 master tofail >send.out 2>send.err
66 '
67
68 test_expect_success 'updated as expected' '
69         test $(GIT_DIR=victim.git git rev-parse master) = $commit1 &&
70         test $(GIT_DIR=victim.git git rev-parse tofail) = $commit1
71 '
72
73 test_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
84 test_expect_success 'pre-receive hook input' '
85         (echo $commit0 $commit1 refs/heads/master;
86          echo $commit1 $commit0 refs/heads/tofail
87         ) | test_cmp - victim.git/pre-receive.stdin
88 '
89
90 test_expect_success 'update hook arguments' '
91         (echo refs/heads/master $commit0 $commit1;
92          echo refs/heads/tofail $commit1 $commit0
93         ) | test_cmp - victim.git/update.args
94 '
95
96 test_expect_success 'post-receive hook input' '
97         echo $commit0 $commit1 refs/heads/master |
98         test_cmp - victim.git/post-receive.stdin
99 '
100
101 test_expect_success 'post-update hook arguments' '
102         echo refs/heads/master |
103         test_cmp - victim.git/post-update.args
104 '
105
106 test_expect_success 'all hook stdin is /dev/null' '
107         ! test -s victim.git/update.stdin &&
108         ! test -s victim.git/post-update.stdin
109 '
110
111 test_expect_success 'all *-receive hook args are empty' '
112         ! test -s victim.git/pre-receive.args &&
113         ! test -s victim.git/post-receive.args
114 '
115
116 test_expect_success 'send-pack produced no output' '
117         ! test -s send.out
118 '
119
120 cat <<EOF >expect
121 remote: STDOUT pre-receive
122 remote: STDERR pre-receive
123 remote: STDOUT update refs/heads/master
124 remote: STDERR update refs/heads/master
125 remote: STDOUT update refs/heads/tofail
126 remote: STDERR update refs/heads/tofail
127 remote: error: hook declined to update refs/heads/tofail
128 remote: STDOUT post-receive
129 remote: STDERR post-receive
130 remote: STDOUT post-update
131 remote: STDERR post-update
132 EOF
133 test_expect_success 'send-pack stderr contains hook messages' '
134         grep ^remote: send.err | sed "s/ *\$//" >actual &&
135         test_cmp expect actual
136 '
137
138 test_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 master || return
147         done &&
148         git push ./victim.git "+refs/heads/*:refs/heads/*"
149 '
150
151 test_done