1#!/bin/sh
2
3test_description='signed commit tests'
4. ./test-lib.sh
5. "$TEST_DIRECTORY/lib-gpg.sh"
6
7test_expect_success GPG 'create signed commits' '
8 test_when_finished "test_unconfig commit.gpgsign" &&
9
10 echo 1 >file && git add file &&
11 test_tick && git commit -S -m initial &&
12 git tag initial &&
13 git branch side &&
14
15 echo 2 >file && test_tick && git commit -a -S -m second &&
16 git tag second &&
17
18 git checkout side &&
19 echo 3 >elif && git add elif &&
20 test_tick && git commit -m "third on side" &&
21
22 git checkout master &&
23 test_tick && git merge -S side &&
24 git tag merge &&
25
26 echo 4 >file && test_tick && git commit -a -m "fourth unsigned" &&
27 git tag fourth-unsigned &&
28
29 test_tick && git commit --amend -S -m "fourth signed" &&
30 git tag fourth-signed &&
31
32 git config commit.gpgsign true &&
33 echo 5 >file && test_tick && git commit -a -m "fifth signed" &&
34 git tag fifth-signed &&
35
36 git config commit.gpgsign false &&
37 echo 6 >file && test_tick && git commit -a -m "sixth" &&
38 git tag sixth-unsigned &&
39
40 git config commit.gpgsign true &&
41 echo 7 >file && test_tick && git commit -a -m "seventh" --no-gpg-sign &&
42 git tag seventh-unsigned &&
43
44 test_tick && git rebase -f HEAD^^ && git tag sixth-signed HEAD^ &&
45 git tag seventh-signed
46
47 echo 8 >file && test_tick && git commit -a -m eighth -SB7227189 &&
48 git tag eighth-signed-alt
49'
50
51test_expect_success GPG 'show signatures' '
52 (
53 for commit in initial second merge fourth-signed fifth-signed sixth-signed seventh-signed
54 do
55 git show --pretty=short --show-signature $commit >actual &&
56 grep "Good signature from" actual &&
57 ! grep "BAD signature from" actual &&
58 echo $commit OK || exit 1
59 done
60 ) &&
61 (
62 for commit in merge^2 fourth-unsigned sixth-unsigned seventh-unsigned
63 do
64 git show --pretty=short --show-signature $commit >actual &&
65 ! grep "Good signature from" actual &&
66 ! grep "BAD signature from" actual &&
67 echo $commit OK || exit 1
68 done
69 ) &&
70 (
71 for commit in eighth-signed-alt
72 do
73 git show --pretty=short --show-signature $commit >actual &&
74 grep "Good signature from" actual &&
75 ! grep "BAD signature from" actual &&
76 grep "not certified" actual &&
77 echo $commit OK || exit 1
78 done
79 )
80'
81
82test_expect_success GPG 'detect fudged signature' '
83 git cat-file commit seventh-signed >raw &&
84
85 sed -e "s/seventh/7th forged/" raw >forged1 &&
86 git hash-object -w -t commit forged1 >forged1.commit &&
87 git show --pretty=short --show-signature $(cat forged1.commit) >actual1 &&
88 grep "BAD signature from" actual1 &&
89 ! grep "Good signature from" actual1
90'
91
92test_expect_success GPG 'detect fudged signature with NUL' '
93 git cat-file commit seventh-signed >raw &&
94 cat raw >forged2 &&
95 echo Qwik | tr "Q" "\000" >>forged2 &&
96 git hash-object -w -t commit forged2 >forged2.commit &&
97 git show --pretty=short --show-signature $(cat forged2.commit) >actual2 &&
98 grep "BAD signature from" actual2 &&
99 ! grep "Good signature from" actual2
100'
101
102test_expect_success GPG 'amending already signed commit' '
103 git checkout fourth-signed^0 &&
104 git commit --amend -S --no-edit &&
105 git show -s --show-signature HEAD >actual &&
106 grep "Good signature from" actual &&
107 ! grep "BAD signature from" actual
108'
109
110test_expect_success GPG 'show good signature with custom format' '
111 cat >expect <<-\EOF &&
112 G
113 13B6F51ECDDE430D
114 C O Mitter <committer@example.com>
115 EOF
116 git log -1 --format="%G?%n%GK%n%GS" sixth-signed >actual &&
117 test_cmp expect actual
118'
119
120test_expect_success GPG 'show bad signature with custom format' '
121 cat >expect <<-\EOF &&
122 B
123 13B6F51ECDDE430D
124 C O Mitter <committer@example.com>
125 EOF
126 git log -1 --format="%G?%n%GK%n%GS" $(cat forged1.commit) >actual &&
127 test_cmp expect actual
128'
129
130test_expect_success GPG 'show unknown signature with custom format' '
131 cat >expect <<-\EOF &&
132 U
133 61092E85B7227189
134 Eris Discordia <discord@example.net>
135 EOF
136 git log -1 --format="%G?%n%GK%n%GS" eighth-signed-alt >actual &&
137 test_cmp expect actual
138'
139
140test_expect_success GPG 'show lack of signature with custom format' '
141 cat >expect <<-\EOF &&
142 N
143
144
145 EOF
146 git log -1 --format="%G?%n%GK%n%GS" seventh-unsigned >actual &&
147 test_cmp expect actual
148'
149
150test_done