778daf419c11fc550d968ef9d5ac780e321ad7cb
1#!/bin/sh
2#
3# Copyright (c) 2007 Johannes E. Schindelin
4#
5
6test_description='git rebase interactive
7
8This test runs git rebase "interactively", by faking an edit, and verifies
9that the result still makes sense.
10'
11. ./test-lib.sh
12
13. "$TEST_DIRECTORY"/lib-rebase.sh
14
15set_fake_editor
16
17# set up two branches like this:
18#
19# A - B - C - D - E (master)
20# \
21# F - G - H (branch1)
22# \
23# I (branch2)
24#
25# where A, B, D and G touch the same file.
26
27test_expect_success 'setup' '
28 test_commit A file1 &&
29 test_commit B file1 &&
30 test_commit C file2 &&
31 test_commit D file1 &&
32 test_commit E file3 &&
33 git checkout -b branch1 A &&
34 test_commit F file4 &&
35 test_commit G file1 &&
36 test_commit H file5 &&
37 git checkout -b branch2 F &&
38 test_commit I file6
39'
40
41test_expect_success 'no changes are a nop' '
42 git rebase -i F &&
43 test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch2" &&
44 test $(git rev-parse I) = $(git rev-parse HEAD)
45'
46
47test_expect_success 'test the [branch] option' '
48 git checkout -b dead-end &&
49 git rm file6 &&
50 git commit -m "stop here" &&
51 git rebase -i F branch2 &&
52 test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch2" &&
53 test $(git rev-parse I) = $(git rev-parse branch2) &&
54 test $(git rev-parse I) = $(git rev-parse HEAD)
55'
56
57test_expect_success 'test --onto <branch>' '
58 git checkout -b test-onto branch2 &&
59 git rebase -i --onto branch1 F &&
60 test "$(git symbolic-ref -q HEAD)" = "refs/heads/test-onto" &&
61 test $(git rev-parse HEAD^) = $(git rev-parse branch1) &&
62 test $(git rev-parse I) = $(git rev-parse branch2)
63'
64
65test_expect_success 'rebase on top of a non-conflicting commit' '
66 git checkout branch1 &&
67 git tag original-branch1 &&
68 git rebase -i branch2 &&
69 test file6 = $(git diff --name-only original-branch1) &&
70 test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch1" &&
71 test $(git rev-parse I) = $(git rev-parse branch2) &&
72 test $(git rev-parse I) = $(git rev-parse HEAD~2)
73'
74
75test_expect_success 'reflog for the branch shows state before rebase' '
76 test $(git rev-parse branch1@{1}) = $(git rev-parse original-branch1)
77'
78
79test_expect_success 'exchange two commits' '
80 FAKE_LINES="2 1" git rebase -i HEAD~2 &&
81 test H = $(git cat-file commit HEAD^ | sed -ne \$p) &&
82 test G = $(git cat-file commit HEAD | sed -ne \$p)
83'
84
85cat > expect << EOF
86diff --git a/file1 b/file1
87index f70f10e..fd79235 100644
88--- a/file1
89+++ b/file1
90@@ -1 +1 @@
91-A
92+G
93EOF
94
95cat > expect2 << EOF
96<<<<<<< HEAD
97D
98=======
99G
100>>>>>>> 91201e5... G
101EOF
102
103test_expect_success 'stop on conflicting pick' '
104 git tag new-branch1 &&
105 test_must_fail git rebase -i master &&
106 test "$(git rev-parse HEAD~3)" = "$(git rev-parse master)" &&
107 test_cmp expect .git/rebase-merge/patch &&
108 test_cmp expect2 file1 &&
109 test "$(git diff --name-status |
110 sed -n -e "/^U/s/^U[^a-z]*//p")" = file1 &&
111 test 4 = $(grep -v "^#" < .git/rebase-merge/done | wc -l) &&
112 test 0 = $(grep -c "^[^#]" < .git/rebase-merge/git-rebase-todo)
113'
114
115test_expect_success 'abort' '
116 git rebase --abort &&
117 test $(git rev-parse new-branch1) = $(git rev-parse HEAD) &&
118 test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch1" &&
119 ! test -d .git/rebase-merge
120'
121
122test_expect_success 'retain authorship' '
123 echo A > file7 &&
124 git add file7 &&
125 test_tick &&
126 GIT_AUTHOR_NAME="Twerp Snog" git commit -m "different author" &&
127 git tag twerp &&
128 git rebase -i --onto master HEAD^ &&
129 git show HEAD | grep "^Author: Twerp Snog"
130'
131
132test_expect_success 'squash' '
133 git reset --hard twerp &&
134 echo B > file7 &&
135 test_tick &&
136 GIT_AUTHOR_NAME="Nitfol" git commit -m "nitfol" file7 &&
137 echo "******************************" &&
138 FAKE_LINES="1 squash 2" git rebase -i --onto master HEAD~2 &&
139 test B = $(cat file7) &&
140 test $(git rev-parse HEAD^) = $(git rev-parse master)
141'
142
143test_expect_success 'retain authorship when squashing' '
144 git show HEAD | grep "^Author: Twerp Snog"
145'
146
147test_expect_success '-p handles "no changes" gracefully' '
148 HEAD=$(git rev-parse HEAD) &&
149 git rebase -i -p HEAD^ &&
150 git update-index --refresh &&
151 git diff-files --quiet &&
152 git diff-index --quiet --cached HEAD -- &&
153 test $HEAD = $(git rev-parse HEAD)
154'
155
156test_expect_success 'preserve merges with -p' '
157 git checkout -b to-be-preserved master^ &&
158 : > unrelated-file &&
159 git add unrelated-file &&
160 test_tick &&
161 git commit -m "unrelated" &&
162 git checkout -b another-branch master &&
163 echo B > file1 &&
164 test_tick &&
165 git commit -m J file1 &&
166 test_tick &&
167 git merge to-be-preserved &&
168 echo C > file1 &&
169 test_tick &&
170 git commit -m K file1 &&
171 echo D > file1 &&
172 test_tick &&
173 git commit -m L1 file1 &&
174 git checkout HEAD^ &&
175 echo 1 > unrelated-file &&
176 test_tick &&
177 git commit -m L2 unrelated-file &&
178 test_tick &&
179 git merge another-branch &&
180 echo E > file1 &&
181 test_tick &&
182 git commit -m M file1 &&
183 git checkout -b to-be-rebased &&
184 test_tick &&
185 git rebase -i -p --onto branch1 master &&
186 git update-index --refresh &&
187 git diff-files --quiet &&
188 git diff-index --quiet --cached HEAD -- &&
189 test $(git rev-parse HEAD~6) = $(git rev-parse branch1) &&
190 test $(git rev-parse HEAD~4^2) = $(git rev-parse to-be-preserved) &&
191 test $(git rev-parse HEAD^^2^) = $(git rev-parse HEAD^^^) &&
192 test $(git show HEAD~5:file1) = B &&
193 test $(git show HEAD~3:file1) = C &&
194 test $(git show HEAD:file1) = E &&
195 test $(git show HEAD:unrelated-file) = 1
196'
197
198test_expect_success 'edit ancestor with -p' '
199 FAKE_LINES="1 edit 2 3 4" git rebase -i -p HEAD~3 &&
200 echo 2 > unrelated-file &&
201 test_tick &&
202 git commit -m L2-modified --amend unrelated-file &&
203 git rebase --continue &&
204 git update-index --refresh &&
205 git diff-files --quiet &&
206 git diff-index --quiet --cached HEAD -- &&
207 test $(git show HEAD:unrelated-file) = 2
208'
209
210test_expect_success '--continue tries to commit' '
211 test_tick &&
212 test_must_fail git rebase -i --onto new-branch1 HEAD^ &&
213 echo resolved > file1 &&
214 git add file1 &&
215 FAKE_COMMIT_MESSAGE="chouette!" git rebase --continue &&
216 test $(git rev-parse HEAD^) = $(git rev-parse new-branch1) &&
217 git show HEAD | grep chouette
218'
219
220test_expect_success 'verbose flag is heeded, even after --continue' '
221 git reset --hard HEAD@{1} &&
222 test_tick &&
223 test_must_fail git rebase -v -i --onto new-branch1 HEAD^ &&
224 echo resolved > file1 &&
225 git add file1 &&
226 git rebase --continue > output &&
227 grep "^ file1 | 2 +-$" output
228'
229
230test_expect_success 'multi-squash only fires up editor once' '
231 base=$(git rev-parse HEAD~4) &&
232 FAKE_COMMIT_AMEND="ONCE" FAKE_LINES="1 squash 2 squash 3 squash 4" \
233 git rebase -i $base &&
234 test $base = $(git rev-parse HEAD^) &&
235 test 1 = $(git show | grep ONCE | wc -l)
236'
237
238test_expect_success 'squash works as expected' '
239 for n in one two three four
240 do
241 echo $n >> file$n &&
242 git add file$n &&
243 git commit -m $n
244 done &&
245 one=$(git rev-parse HEAD~3) &&
246 FAKE_LINES="1 squash 3 2" git rebase -i HEAD~3 &&
247 test $one = $(git rev-parse HEAD~2)
248'
249
250test_expect_success 'interrupted squash works as expected' '
251 for n in one two three four
252 do
253 echo $n >> conflict &&
254 git add conflict &&
255 git commit -m $n
256 done &&
257 one=$(git rev-parse HEAD~3) &&
258 (
259 FAKE_LINES="1 squash 3 2" &&
260 export FAKE_LINES &&
261 test_must_fail git rebase -i HEAD~3
262 ) &&
263 (echo one; echo two; echo four) > conflict &&
264 git add conflict &&
265 test_must_fail git rebase --continue &&
266 echo resolved > conflict &&
267 git add conflict &&
268 git rebase --continue &&
269 test $one = $(git rev-parse HEAD~2)
270'
271
272test_expect_success 'interrupted squash works as expected (case 2)' '
273 for n in one two three four
274 do
275 echo $n >> conflict &&
276 git add conflict &&
277 git commit -m $n
278 done &&
279 one=$(git rev-parse HEAD~3) &&
280 (
281 FAKE_LINES="3 squash 1 2" &&
282 export FAKE_LINES &&
283 test_must_fail git rebase -i HEAD~3
284 ) &&
285 (echo one; echo four) > conflict &&
286 git add conflict &&
287 test_must_fail git rebase --continue &&
288 (echo one; echo two; echo four) > conflict &&
289 git add conflict &&
290 test_must_fail git rebase --continue &&
291 echo resolved > conflict &&
292 git add conflict &&
293 git rebase --continue &&
294 test $one = $(git rev-parse HEAD~2)
295'
296
297test_expect_success 'ignore patch if in upstream' '
298 HEAD=$(git rev-parse HEAD) &&
299 git checkout -b has-cherry-picked HEAD^ &&
300 echo unrelated > file7 &&
301 git add file7 &&
302 test_tick &&
303 git commit -m "unrelated change" &&
304 git cherry-pick $HEAD &&
305 EXPECT_COUNT=1 git rebase -i $HEAD &&
306 test $HEAD = $(git rev-parse HEAD^)
307'
308
309test_expect_success '--continue tries to commit, even for "edit"' '
310 parent=$(git rev-parse HEAD^) &&
311 test_tick &&
312 FAKE_LINES="edit 1" git rebase -i HEAD^ &&
313 echo edited > file7 &&
314 git add file7 &&
315 FAKE_COMMIT_MESSAGE="chouette!" git rebase --continue &&
316 test edited = $(git show HEAD:file7) &&
317 git show HEAD | grep chouette &&
318 test $parent = $(git rev-parse HEAD^)
319'
320
321test_expect_success 'aborted --continue does not squash commits after "edit"' '
322 old=$(git rev-parse HEAD) &&
323 test_tick &&
324 FAKE_LINES="edit 1" git rebase -i HEAD^ &&
325 echo "edited again" > file7 &&
326 git add file7 &&
327 (
328 FAKE_COMMIT_MESSAGE=" " &&
329 export FAKE_COMMIT_MESSAGE &&
330 test_must_fail git rebase --continue
331 ) &&
332 test $old = $(git rev-parse HEAD) &&
333 git rebase --abort
334'
335
336test_expect_success 'auto-amend only edited commits after "edit"' '
337 test_tick &&
338 FAKE_LINES="edit 1" git rebase -i HEAD^ &&
339 echo "edited again" > file7 &&
340 git add file7 &&
341 FAKE_COMMIT_MESSAGE="edited file7 again" git commit &&
342 echo "and again" > file7 &&
343 git add file7 &&
344 test_tick &&
345 (
346 FAKE_COMMIT_MESSAGE="and again" &&
347 export FAKE_COMMIT_MESSAGE &&
348 test_must_fail git rebase --continue
349 ) &&
350 git rebase --abort
351'
352
353test_expect_success 'rebase a detached HEAD' '
354 grandparent=$(git rev-parse HEAD~2) &&
355 git checkout $(git rev-parse HEAD) &&
356 test_tick &&
357 FAKE_LINES="2 1" git rebase -i HEAD~2 &&
358 test $grandparent = $(git rev-parse HEAD~2)
359'
360
361test_expect_success 'rebase a commit violating pre-commit' '
362
363 mkdir -p .git/hooks &&
364 PRE_COMMIT=.git/hooks/pre-commit &&
365 echo "#!/bin/sh" > $PRE_COMMIT &&
366 echo "test -z \"\$(git diff --cached --check)\"" >> $PRE_COMMIT &&
367 chmod a+x $PRE_COMMIT &&
368 echo "monde! " >> file1 &&
369 test_tick &&
370 test_must_fail git commit -m doesnt-verify file1 &&
371 git commit -m doesnt-verify --no-verify file1 &&
372 test_tick &&
373 FAKE_LINES=2 git rebase -i HEAD~2
374
375'
376
377test_expect_success 'rebase with a file named HEAD in worktree' '
378
379 rm -fr .git/hooks &&
380 git reset --hard &&
381 git checkout -b branch3 A &&
382
383 (
384 GIT_AUTHOR_NAME="Squashed Away" &&
385 export GIT_AUTHOR_NAME &&
386 >HEAD &&
387 git add HEAD &&
388 git commit -m "Add head" &&
389 >BODY &&
390 git add BODY &&
391 git commit -m "Add body"
392 ) &&
393
394 FAKE_LINES="1 squash 2" git rebase -i to-be-rebased &&
395 test "$(git show -s --pretty=format:%an)" = "Squashed Away"
396
397'
398
399test_expect_success 'do "noop" when there is nothing to cherry-pick' '
400
401 git checkout -b branch4 HEAD &&
402 GIT_EDITOR=: git commit --amend \
403 --author="Somebody else <somebody@else.com>"
404 test $(git rev-parse branch3) != $(git rev-parse branch4) &&
405 git rebase -i branch3 &&
406 test $(git rev-parse branch3) = $(git rev-parse branch4)
407
408'
409
410test_expect_success 'submodule rebase setup' '
411 git checkout A &&
412 mkdir sub &&
413 (
414 cd sub && git init && >elif &&
415 git add elif && git commit -m "submodule initial"
416 ) &&
417 echo 1 >file1 &&
418 git add file1 sub
419 test_tick &&
420 git commit -m "One" &&
421 echo 2 >file1 &&
422 test_tick &&
423 git commit -a -m "Two" &&
424 (
425 cd sub && echo 3 >elif &&
426 git commit -a -m "submodule second"
427 ) &&
428 test_tick &&
429 git commit -a -m "Three changes submodule"
430'
431
432test_expect_success 'submodule rebase -i' '
433 FAKE_LINES="1 squash 2 3" git rebase -i A
434'
435
436test_expect_success 'avoid unnecessary reset' '
437 git checkout master &&
438 test-chmtime =123456789 file3 &&
439 git update-index --refresh &&
440 HEAD=$(git rev-parse HEAD) &&
441 git rebase -i HEAD~4 &&
442 test $HEAD = $(git rev-parse HEAD) &&
443 MTIME=$(test-chmtime -v +0 file3 | sed 's/[^0-9].*$//') &&
444 test 123456789 = $MTIME
445'
446
447test_expect_success 'reword' '
448 git checkout -b reword-branch master &&
449 FAKE_LINES="1 2 3 reword 4" FAKE_COMMIT_MESSAGE="E changed" git rebase -i A &&
450 git show HEAD | grep "E changed" &&
451 test $(git rev-parse master) != $(git rev-parse HEAD) &&
452 test $(git rev-parse master^) = $(git rev-parse HEAD^) &&
453 FAKE_LINES="1 2 reword 3 4" FAKE_COMMIT_MESSAGE="D changed" git rebase -i A &&
454 git show HEAD^ | grep "D changed" &&
455 FAKE_LINES="reword 1 2 3 4" FAKE_COMMIT_MESSAGE="B changed" git rebase -i A &&
456 git show HEAD~3 | grep "B changed" &&
457 FAKE_LINES="1 reword 2 3 4" FAKE_COMMIT_MESSAGE="C changed" git rebase -i A &&
458 git show HEAD~2 | grep "C changed"
459'
460
461test_done