3 test_description='signed commit tests'
5 . "$TEST_DIRECTORY/lib-gpg.sh"
7 test_expect_success GPG 'create signed commits' '
8 test_when_finished "test_unconfig commit.gpgsign" &&
10 echo 1 >file && git add file &&
11 test_tick && git commit -S -m initial &&
15 echo 2 >file && test_tick && git commit -a -S -m second &&
19 echo 3 >elif && git add elif &&
20 test_tick && git commit -m "third on side" &&
22 git checkout master &&
23 test_tick && git merge -S side &&
26 echo 4 >file && test_tick && git commit -a -m "fourth unsigned" &&
27 git tag fourth-unsigned &&
29 test_tick && git commit --amend -S -m "fourth signed" &&
30 git tag fourth-signed &&
32 git config commit.gpgsign true &&
33 echo 5 >file && test_tick && git commit -a -m "fifth signed" &&
34 git tag fifth-signed &&
36 git config commit.gpgsign false &&
37 echo 6 >file && test_tick && git commit -a -m "sixth" &&
38 git tag sixth-unsigned &&
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 &&
44 test_tick && git rebase -f HEAD^^ && git tag sixth-signed HEAD^ &&
45 git tag seventh-signed &&
47 echo 8 >file && test_tick && git commit -a -m eighth -SB7227189 &&
48 git tag eighth-signed-alt &&
50 # commit.gpgsign is still on but this must not be signed
51 git tag ninth-unsigned $(echo 9 | git commit-tree HEAD^{tree}) &&
52 # explicit -S of course must sign.
53 git tag tenth-signed $(echo 9 | git commit-tree -S HEAD^{tree})
56 test_expect_success GPG 'verify and show signatures' '
58 for commit in initial second merge fourth-signed \
59 fifth-signed sixth-signed seventh-signed tenth-signed
61 git verify-commit $commit &&
62 git show --pretty=short --show-signature $commit >actual &&
63 grep "Good signature from" actual &&
64 ! grep "BAD signature from" actual &&
65 echo $commit OK || exit 1
69 for commit in merge^2 fourth-unsigned sixth-unsigned \
70 seventh-unsigned ninth-unsigned
72 test_must_fail git verify-commit $commit &&
73 git show --pretty=short --show-signature $commit >actual &&
74 ! grep "Good signature from" actual &&
75 ! grep "BAD signature from" actual &&
76 echo $commit OK || exit 1
80 for commit in eighth-signed-alt
82 git show --pretty=short --show-signature $commit >actual &&
83 grep "Good signature from" actual &&
84 ! grep "BAD signature from" actual &&
85 grep "not certified" actual &&
86 echo $commit OK || exit 1
91 test_expect_success GPG 'verify-commit exits success on untrusted signature' '
92 git verify-commit eighth-signed-alt 2>actual &&
93 grep "Good signature from" actual &&
94 ! grep "BAD signature from" actual &&
95 grep "not certified" actual
98 test_expect_success GPG 'verify signatures with --raw' '
100 for commit in initial second merge fourth-signed fifth-signed sixth-signed seventh-signed
102 git verify-commit --raw $commit 2>actual &&
103 grep "GOODSIG" actual &&
104 ! grep "BADSIG" actual &&
105 echo $commit OK || exit 1
109 for commit in merge^2 fourth-unsigned sixth-unsigned seventh-unsigned
111 test_must_fail git verify-commit --raw $commit 2>actual &&
112 ! grep "GOODSIG" actual &&
113 ! grep "BADSIG" actual &&
114 echo $commit OK || exit 1
118 for commit in eighth-signed-alt
120 git verify-commit --raw $commit 2>actual &&
121 grep "GOODSIG" actual &&
122 ! grep "BADSIG" actual &&
123 grep "TRUST_UNDEFINED" actual &&
124 echo $commit OK || exit 1
129 test_expect_success GPG 'show signed commit with signature' '
130 git show -s initial >commit &&
131 git show -s --show-signature initial >show &&
132 git verify-commit -v initial >verify.1 2>verify.2 &&
133 git cat-file commit initial >cat &&
134 grep -v -e "gpg: " -e "Warning: " show >show.commit &&
135 grep -e "gpg: " -e "Warning: " show >show.gpg &&
136 grep -v "^ " cat | grep -v "^gpgsig " >cat.commit &&
137 test_cmp show.commit commit &&
138 test_cmp show.gpg verify.2 &&
139 test_cmp cat.commit verify.1
142 test_expect_success GPG 'detect fudged signature' '
143 git cat-file commit seventh-signed >raw &&
145 sed -e "s/seventh/7th forged/" raw >forged1 &&
146 git hash-object -w -t commit forged1 >forged1.commit &&
147 ! git verify-commit $(cat forged1.commit) &&
148 git show --pretty=short --show-signature $(cat forged1.commit) >actual1 &&
149 grep "BAD signature from" actual1 &&
150 ! grep "Good signature from" actual1
153 test_expect_success GPG 'detect fudged signature with NUL' '
154 git cat-file commit seventh-signed >raw &&
156 echo Qwik | tr "Q" "\000" >>forged2 &&
157 git hash-object -w -t commit forged2 >forged2.commit &&
158 ! git verify-commit $(cat forged2.commit) &&
159 git show --pretty=short --show-signature $(cat forged2.commit) >actual2 &&
160 grep "BAD signature from" actual2 &&
161 ! grep "Good signature from" actual2
164 test_expect_success GPG 'amending already signed commit' '
165 git checkout fourth-signed^0 &&
166 git commit --amend -S --no-edit &&
167 git verify-commit HEAD &&
168 git show -s --show-signature HEAD >actual &&
169 grep "Good signature from" actual &&
170 ! grep "BAD signature from" actual
173 test_expect_success GPG 'show good signature with custom format' '
174 cat >expect <<-\EOF &&
177 C O Mitter <committer@example.com>
179 git log -1 --format="%G?%n%GK%n%GS" sixth-signed >actual &&
180 test_cmp expect actual
183 test_expect_success GPG 'show bad signature with custom format' '
184 cat >expect <<-\EOF &&
187 C O Mitter <committer@example.com>
189 git log -1 --format="%G?%n%GK%n%GS" $(cat forged1.commit) >actual &&
190 test_cmp expect actual
193 test_expect_success GPG 'show unknown signature with custom format' '
194 cat >expect <<-\EOF &&
197 Eris Discordia <discord@example.net>
199 git log -1 --format="%G?%n%GK%n%GS" eighth-signed-alt >actual &&
200 test_cmp expect actual
203 test_expect_success GPG 'show lack of signature with custom format' '
204 cat >expect <<-\EOF &&
209 git log -1 --format="%G?%n%GK%n%GS" seventh-unsigned >actual &&
210 test_cmp expect actual
213 test_expect_success GPG 'log.showsignature behaves like --show-signature' '
214 test_config log.showsignature true &&
215 git show initial >actual &&
216 grep "gpg: Signature made" actual &&
217 grep "gpg: Good signature" actual