gpg-interface: add new config to select how to sign a commit
[git/git.git] / t / t7510-signed-commit.sh
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1#!/bin/sh
2
3test_description='signed commit tests'
4. ./test-lib.sh
661a1806 5GNUPGHOME_NOT_USED=$GNUPGHOME
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6. "$TEST_DIRECTORY/lib-gpg.sh"
7
8test_expect_success GPG 'create signed commits' '
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9 test_when_finished "test_unconfig commit.gpgsign" &&
10
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11 echo 1 >file && git add file &&
12 test_tick && git commit -S -m initial &&
13 git tag initial &&
14 git branch side &&
15
16 echo 2 >file && test_tick && git commit -a -S -m second &&
17 git tag second &&
18
19 git checkout side &&
20 echo 3 >elif && git add elif &&
21 test_tick && git commit -m "third on side" &&
22
23 git checkout master &&
24 test_tick && git merge -S side &&
25 git tag merge &&
26
27 echo 4 >file && test_tick && git commit -a -m "fourth unsigned" &&
28 git tag fourth-unsigned &&
29
c871a1d1 30 test_tick && git commit --amend -S -m "fourth signed" &&
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31 git tag fourth-signed &&
32
33 git config commit.gpgsign true &&
34 echo 5 >file && test_tick && git commit -a -m "fifth signed" &&
35 git tag fifth-signed &&
36
37 git config commit.gpgsign false &&
38 echo 6 >file && test_tick && git commit -a -m "sixth" &&
39 git tag sixth-unsigned &&
40
41 git config commit.gpgsign true &&
42 echo 7 >file && test_tick && git commit -a -m "seventh" --no-gpg-sign &&
43 git tag seventh-unsigned &&
44
45 test_tick && git rebase -f HEAD^^ && git tag sixth-signed HEAD^ &&
99094a7a 46 git tag seventh-signed &&
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47
48 echo 8 >file && test_tick && git commit -a -m eighth -SB7227189 &&
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49 git tag eighth-signed-alt &&
50
51 # commit.gpgsign is still on but this must not be signed
52 git tag ninth-unsigned $(echo 9 | git commit-tree HEAD^{tree}) &&
53 # explicit -S of course must sign.
54 git tag tenth-signed $(echo 9 | git commit-tree -S HEAD^{tree})
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55'
56
8e92c2cf 57test_expect_success GPG 'verify and show signatures' '
247503f2 58 (
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59 for commit in initial second merge fourth-signed \
60 fifth-signed sixth-signed seventh-signed tenth-signed
247503f2 61 do
8e92c2cf 62 git verify-commit $commit &&
247503f2 63 git show --pretty=short --show-signature $commit >actual &&
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64 grep "Good signature from" actual &&
65 ! grep "BAD signature from" actual &&
66 echo $commit OK || exit 1
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67 done
68 ) &&
69 (
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70 for commit in merge^2 fourth-unsigned sixth-unsigned \
71 seventh-unsigned ninth-unsigned
247503f2 72 do
8e92c2cf 73 test_must_fail git verify-commit $commit &&
247503f2 74 git show --pretty=short --show-signature $commit >actual &&
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75 ! grep "Good signature from" actual &&
76 ! grep "BAD signature from" actual &&
77 echo $commit OK || exit 1
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78 done
79 ) &&
80 (
81 for commit in eighth-signed-alt
82 do
83 git show --pretty=short --show-signature $commit >actual &&
84 grep "Good signature from" actual &&
85 ! grep "BAD signature from" actual &&
86 grep "not certified" actual &&
87 echo $commit OK || exit 1
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88 done
89 )
90'
91
434060ec 92test_expect_success GPG 'verify-commit exits success on untrusted signature' '
8e98e5f2 93 git verify-commit eighth-signed-alt 2>actual &&
94 grep "Good signature from" actual &&
95 ! grep "BAD signature from" actual &&
96 grep "not certified" actual
97'
98
aeff29dd 99test_expect_success GPG 'verify signatures with --raw' '
100 (
101 for commit in initial second merge fourth-signed fifth-signed sixth-signed seventh-signed
102 do
103 git verify-commit --raw $commit 2>actual &&
104 grep "GOODSIG" actual &&
105 ! grep "BADSIG" actual &&
106 echo $commit OK || exit 1
107 done
108 ) &&
109 (
110 for commit in merge^2 fourth-unsigned sixth-unsigned seventh-unsigned
111 do
112 test_must_fail git verify-commit --raw $commit 2>actual &&
113 ! grep "GOODSIG" actual &&
114 ! grep "BADSIG" actual &&
115 echo $commit OK || exit 1
116 done
117 ) &&
118 (
119 for commit in eighth-signed-alt
120 do
121 git verify-commit --raw $commit 2>actual &&
122 grep "GOODSIG" actual &&
123 ! grep "BADSIG" actual &&
124 grep "TRUST_UNDEFINED" actual &&
125 echo $commit OK || exit 1
126 done
127 )
128'
129
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130test_expect_success GPG 'show signed commit with signature' '
131 git show -s initial >commit &&
132 git show -s --show-signature initial >show &&
133 git verify-commit -v initial >verify.1 2>verify.2 &&
134 git cat-file commit initial >cat &&
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135 grep -v -e "gpg: " -e "Warning: " show >show.commit &&
136 grep -e "gpg: " -e "Warning: " show >show.gpg &&
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137 grep -v "^ " cat | grep -v "^gpgsig " >cat.commit &&
138 test_cmp show.commit commit &&
139 test_cmp show.gpg verify.2 &&
140 test_cmp cat.commit verify.1
141'
142
247503f2 143test_expect_success GPG 'detect fudged signature' '
526d56e0 144 git cat-file commit seventh-signed >raw &&
2f3cbcd8 145 sed -e "s/^seventh/7th forged/" raw >forged1 &&
247503f2 146 git hash-object -w -t commit forged1 >forged1.commit &&
9dd39821 147 test_must_fail git verify-commit $(cat forged1.commit) &&
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148 git show --pretty=short --show-signature $(cat forged1.commit) >actual1 &&
149 grep "BAD signature from" actual1 &&
150 ! grep "Good signature from" actual1
151'
152
153test_expect_success GPG 'detect fudged signature with NUL' '
526d56e0 154 git cat-file commit seventh-signed >raw &&
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155 cat raw >forged2 &&
156 echo Qwik | tr "Q" "\000" >>forged2 &&
157 git hash-object -w -t commit forged2 >forged2.commit &&
9dd39821 158 test_must_fail git verify-commit $(cat forged2.commit) &&
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159 git show --pretty=short --show-signature $(cat forged2.commit) >actual2 &&
160 grep "BAD signature from" actual2 &&
161 ! grep "Good signature from" actual2
162'
163
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164test_expect_success GPG 'amending already signed commit' '
165 git checkout fourth-signed^0 &&
166 git commit --amend -S --no-edit &&
8e92c2cf 167 git verify-commit HEAD &&
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168 git show -s --show-signature HEAD >actual &&
169 grep "Good signature from" actual &&
170 ! grep "BAD signature from" actual
171'
172
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173test_expect_success GPG 'show good signature with custom format' '
174 cat >expect <<-\EOF &&
175 G
176 13B6F51ECDDE430D
177 C O Mitter <committer@example.com>
178 EOF
179 git log -1 --format="%G?%n%GK%n%GS" sixth-signed >actual &&
180 test_cmp expect actual
181'
182
183test_expect_success GPG 'show bad signature with custom format' '
184 cat >expect <<-\EOF &&
185 B
186 13B6F51ECDDE430D
187 C O Mitter <committer@example.com>
188 EOF
189 git log -1 --format="%G?%n%GK%n%GS" $(cat forged1.commit) >actual &&
190 test_cmp expect actual
191'
192
661a1806 193test_expect_success GPG 'show untrusted signature with custom format' '
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194 cat >expect <<-\EOF &&
195 U
196 61092E85B7227189
197 Eris Discordia <discord@example.net>
198 EOF
199 git log -1 --format="%G?%n%GK%n%GS" eighth-signed-alt >actual &&
200 test_cmp expect actual
201'
202
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203test_expect_success GPG 'show unknown signature with custom format' '
204 cat >expect <<-\EOF &&
205 E
206 61092E85B7227189
207
208 EOF
209 GNUPGHOME="$GNUPGHOME_NOT_USED" git log -1 --format="%G?%n%GK%n%GS" eighth-signed-alt >actual &&
210 test_cmp expect actual
211'
212
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213test_expect_success GPG 'show lack of signature with custom format' '
214 cat >expect <<-\EOF &&
215 N
216
217
218 EOF
219 git log -1 --format="%G?%n%GK%n%GS" seventh-unsigned >actual &&
220 test_cmp expect actual
221'
222
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223test_expect_success GPG 'log.showsignature behaves like --show-signature' '
224 test_config log.showsignature true &&
225 git show initial >actual &&
226 grep "gpg: Signature made" actual &&
227 grep "gpg: Good signature" actual
228'
229
247503f2 230test_done