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1 #!/bin/sh
2
3 test_description='commit-msg hook'
4
5 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
6 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
7
8 . ./test-lib.sh
9
10 test_expect_success 'with no hook' '
11
12 echo "foo" > file &&
13 git add file &&
14 git commit -m "first"
15
16 '
17
18 # set up fake editor for interactive editing
19 cat > fake-editor <<'EOF'
20 #!/bin/sh
21 cp FAKE_MSG "$1"
22 exit 0
23 EOF
24 chmod +x fake-editor
25
26 ## Not using test_set_editor here so we can easily ensure the editor variable
27 ## is only set for the editor tests
28 FAKE_EDITOR="$(pwd)/fake-editor"
29 export FAKE_EDITOR
30
31 test_expect_success 'with no hook (editor)' '
32
33 echo "more foo" >> file &&
34 git add file &&
35 echo "more foo" > FAKE_MSG &&
36 GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit
37
38 '
39
40 test_expect_success '--no-verify with no hook' '
41
42 echo "bar" > file &&
43 git add file &&
44 git commit --no-verify -m "bar"
45
46 '
47
48 test_expect_success '--no-verify with no hook (editor)' '
49
50 echo "more bar" > file &&
51 git add file &&
52 echo "more bar" > FAKE_MSG &&
53 GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit --no-verify
54
55 '
56
57 test_expect_success 'setup: commit-msg hook that always succeeds' '
58 test_hook --setup commit-msg <<-\EOF
59 exit 0
60 EOF
61 '
62
63 test_expect_success 'with succeeding hook' '
64
65 echo "more" >> file &&
66 git add file &&
67 git commit -m "more"
68
69 '
70
71 test_expect_success 'with succeeding hook (editor)' '
72
73 echo "more more" >> file &&
74 git add file &&
75 echo "more more" > FAKE_MSG &&
76 GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit
77
78 '
79
80 test_expect_success '--no-verify with succeeding hook' '
81
82 echo "even more" >> file &&
83 git add file &&
84 git commit --no-verify -m "even more"
85
86 '
87
88 test_expect_success '--no-verify with succeeding hook (editor)' '
89
90 echo "even more more" >> file &&
91 git add file &&
92 echo "even more more" > FAKE_MSG &&
93 GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit --no-verify
94
95 '
96
97 test_expect_success 'setup: commit-msg hook that always fails' '
98 test_hook --clobber commit-msg <<-\EOF
99 exit 1
100 EOF
101 '
102
103 commit_msg_is () {
104 printf "%s" "$1" >expect &&
105 git log --pretty=format:%s%b -1 >actual &&
106 test_cmp expect actual
107 }
108
109 test_expect_success 'with failing hook' '
110
111 echo "another" >> file &&
112 git add file &&
113 test_must_fail git commit -m "another"
114
115 '
116
117 test_expect_success 'with failing hook (editor)' '
118
119 echo "more another" >> file &&
120 git add file &&
121 echo "more another" > FAKE_MSG &&
122 ! (GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit)
123
124 '
125
126 test_expect_success '--no-verify with failing hook' '
127
128 echo "stuff" >> file &&
129 git add file &&
130 git commit --no-verify -m "stuff"
131
132 '
133
134 test_expect_success '-n followed by --verify with failing hook' '
135
136 echo "even more" >> file &&
137 git add file &&
138 test_must_fail git commit -n --verify -m "even more"
139
140 '
141
142 test_expect_success '--no-verify with failing hook (editor)' '
143
144 echo "more stuff" >> file &&
145 git add file &&
146 echo "more stuff" > FAKE_MSG &&
147 GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit --no-verify
148
149 '
150
151 test_expect_success 'merge fails with failing hook' '
152
153 test_when_finished "git branch -D newbranch" &&
154 test_when_finished "git checkout -f main" &&
155 git checkout --orphan newbranch &&
156 : >file2 &&
157 git add file2 &&
158 git commit --no-verify file2 -m in-side-branch &&
159 test_must_fail git merge --allow-unrelated-histories main &&
160 commit_msg_is "in-side-branch" # HEAD before merge
161
162 '
163
164 test_expect_success 'merge bypasses failing hook with --no-verify' '
165
166 test_when_finished "git branch -D newbranch" &&
167 test_when_finished "git checkout -f main" &&
168 git checkout --orphan newbranch &&
169 git rm -f file &&
170 : >file2 &&
171 git add file2 &&
172 git commit --no-verify file2 -m in-side-branch &&
173 git merge --no-verify --allow-unrelated-histories main &&
174 commit_msg_is "Merge branch '\''main'\'' into newbranch"
175 '
176
177 test_expect_success 'setup: commit-msg hook made non-executable' '
178 git_dir="$(git rev-parse --git-dir)" &&
179 chmod -x "$git_dir/hooks/commit-msg"
180 '
181
182
183 test_expect_success POSIXPERM 'with non-executable hook' '
184
185 echo "content" >file &&
186 git add file &&
187 git commit -m "content"
188
189 '
190
191 test_expect_success POSIXPERM 'with non-executable hook (editor)' '
192
193 echo "content again" >> file &&
194 git add file &&
195 echo "content again" > FAKE_MSG &&
196 GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit -m "content again"
197
198 '
199
200 test_expect_success POSIXPERM '--no-verify with non-executable hook' '
201
202 echo "more content" >> file &&
203 git add file &&
204 git commit --no-verify -m "more content"
205
206 '
207
208 test_expect_success POSIXPERM '--no-verify with non-executable hook (editor)' '
209
210 echo "even more content" >> file &&
211 git add file &&
212 echo "even more content" > FAKE_MSG &&
213 GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit --no-verify
214
215 '
216
217 test_expect_success 'setup: commit-msg hook that edits the commit message' '
218 test_hook --clobber commit-msg <<-\EOF
219 echo "new message" >"$1"
220 exit 0
221 EOF
222 '
223
224 test_expect_success 'hook edits commit message' '
225
226 echo "additional" >> file &&
227 git add file &&
228 git commit -m "additional" &&
229 commit_msg_is "new message"
230
231 '
232
233 test_expect_success 'hook edits commit message (editor)' '
234
235 echo "additional content" >> file &&
236 git add file &&
237 echo "additional content" > FAKE_MSG &&
238 GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit &&
239 commit_msg_is "new message"
240
241 '
242
243 test_expect_success "hook doesn't edit commit message" '
244
245 echo "plus" >> file &&
246 git add file &&
247 git commit --no-verify -m "plus" &&
248 commit_msg_is "plus"
249
250 '
251
252 test_expect_success "hook doesn't edit commit message (editor)" '
253
254 echo "more plus" >> file &&
255 git add file &&
256 echo "more plus" > FAKE_MSG &&
257 GIT_EDITOR="\"\$FAKE_EDITOR\"" git commit --no-verify &&
258 commit_msg_is "more plus"
259 '
260
261 test_expect_success 'hook called in git-merge picks up commit message' '
262 test_when_finished "git branch -D newbranch" &&
263 test_when_finished "git checkout -f main" &&
264 git checkout --orphan newbranch &&
265 git rm -f file &&
266 : >file2 &&
267 git add file2 &&
268 git commit --no-verify file2 -m in-side-branch &&
269 git merge --allow-unrelated-histories main &&
270 commit_msg_is "new message"
271 '
272
273 test_expect_failure 'merge --continue remembers --no-verify' '
274 test_when_finished "git branch -D newbranch" &&
275 test_when_finished "git checkout -f main" &&
276 git checkout main &&
277 echo a >file2 &&
278 git add file2 &&
279 git commit --no-verify -m "add file2 to main" &&
280 git checkout -b newbranch main^ &&
281 echo b >file2 &&
282 git add file2 &&
283 git commit --no-verify file2 -m in-side-branch &&
284 git merge --no-verify -m not-rewritten-by-hook main &&
285 # resolve conflict:
286 echo c >file2 &&
287 git add file2 &&
288 git merge --continue &&
289 commit_msg_is not-rewritten-by-hook
290 '
291
292 # set up fake editor to replace `pick` by `reword`
293 cat > reword-editor <<'EOF'
294 #!/bin/sh
295 mv "$1" "$1".bup &&
296 sed 's/^pick/reword/' <"$1".bup >"$1"
297 EOF
298 chmod +x reword-editor
299 REWORD_EDITOR="$(pwd)/reword-editor"
300 export REWORD_EDITOR
301
302 test_expect_success 'hook is called for reword during `rebase -i`' '
303
304 GIT_SEQUENCE_EDITOR="\"$REWORD_EDITOR\"" git rebase -i HEAD^ &&
305 commit_msg_is "new message"
306
307 '
308
309
310 test_done