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# set up two branches like this:
14#
15# A - B - C - D - E
16# \
17# F - G - H
18# \
19# I
20#
21# where B, D and G touch the same file.
22
23test_expect_success 'setup' '
24 : > file1 &&
25 git add file1 &&
26 test_tick &&
27 git commit -m A &&
28 git tag A &&
29 echo 1 > file1 &&
30 test_tick &&
31 git commit -m B file1 &&
32 : > file2 &&
33 git add file2 &&
34 test_tick &&
35 git commit -m C &&
36 echo 2 > file1 &&
37 test_tick &&
38 git commit -m D file1 &&
39 : > file3 &&
40 git add file3 &&
41 test_tick &&
42 git commit -m E &&
43 git checkout -b branch1 A &&
44 : > file4 &&
45 git add file4 &&
46 test_tick &&
47 git commit -m F &&
48 git tag F &&
49 echo 3 > file1 &&
50 test_tick &&
51 git commit -m G file1 &&
52 : > file5 &&
53 git add file5 &&
54 test_tick &&
55 git commit -m H &&
56 git checkout -b branch2 F &&
57 : > file6 &&
58 git add file6 &&
59 test_tick &&
60 git commit -m I &&
61 git tag I
62'
63
64echo "#!$SHELL_PATH" >fake-editor.sh
65cat >> fake-editor.sh <<\EOF
66case "$1" in
67*/COMMIT_EDITMSG)
68 test -z "$FAKE_COMMIT_MESSAGE" || echo "$FAKE_COMMIT_MESSAGE" > "$1"
69 test -z "$FAKE_COMMIT_AMEND" || echo "$FAKE_COMMIT_AMEND" >> "$1"
70 exit
71 ;;
72esac
73test -z "$EXPECT_COUNT" ||
74 test "$EXPECT_COUNT" = $(sed -e '/^#/d' -e '/^$/d' < "$1" | wc -l) ||
75 exit
76test -z "$FAKE_LINES" && exit
77grep -v '^#' < "$1" > "$1".tmp
78rm -f "$1"
79cat "$1".tmp
80action=pick
81for line in $FAKE_LINES; do
82 case $line in
83 squash|edit)
84 action="$line";;
85 *)
86 echo sed -n "${line}s/^pick/$action/p"
87 sed -n "${line}p" < "$1".tmp
88 sed -n "${line}s/^pick/$action/p" < "$1".tmp >> "$1"
89 action=pick;;
90 esac
91done
92EOF
93
94test_set_editor "$(pwd)/fake-editor.sh"
95chmod a+x fake-editor.sh
96
97test_expect_success 'no changes are a nop' '
98 git rebase -i F &&
99 test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch2" &&
100 test $(git rev-parse I) = $(git rev-parse HEAD)
101'
102
103test_expect_success 'test the [branch] option' '
104 git checkout -b dead-end &&
105 git rm file6 &&
106 git commit -m "stop here" &&
107 git rebase -i F branch2 &&
108 test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch2" &&
109 test $(git rev-parse I) = $(git rev-parse branch2) &&
110 test $(git rev-parse I) = $(git rev-parse HEAD)
111'
112
113test_expect_success 'test --onto <branch>' '
114 git checkout -b test-onto branch2 &&
115 git rebase -i --onto branch1 F &&
116 test "$(git symbolic-ref -q HEAD)" = "refs/heads/test-onto" &&
117 test $(git rev-parse HEAD^) = $(git rev-parse branch1) &&
118 test $(git rev-parse I) = $(git rev-parse branch2)
119'
120
121test_expect_success 'rebase on top of a non-conflicting commit' '
122 git checkout branch1 &&
123 git tag original-branch1 &&
124 git rebase -i branch2 &&
125 test file6 = $(git diff --name-only original-branch1) &&
126 test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch1" &&
127 test $(git rev-parse I) = $(git rev-parse branch2) &&
128 test $(git rev-parse I) = $(git rev-parse HEAD~2)
129'
130
131test_expect_success 'reflog for the branch shows state before rebase' '
132 test $(git rev-parse branch1@{1}) = $(git rev-parse original-branch1)
133'
134
135test_expect_success 'exchange two commits' '
136 FAKE_LINES="2 1" git rebase -i HEAD~2 &&
137 test H = $(git cat-file commit HEAD^ | sed -ne \$p) &&
138 test G = $(git cat-file commit HEAD | sed -ne \$p)
139'
140
141cat > expect << EOF
142diff --git a/file1 b/file1
143index e69de29..00750ed 100644
144--- a/file1
145+++ b/file1
146@@ -0,0 +1 @@
147+3
148EOF
149
150cat > expect2 << EOF
151<<<<<<< HEAD:file1
1522
153=======
1543
155>>>>>>> b7ca976... G:file1
156EOF
157
158test_expect_success 'stop on conflicting pick' '
159 git tag new-branch1 &&
160 test_must_fail git rebase -i master &&
161 test "$(git rev-parse HEAD~3)" = "$(git rev-parse master)" &&
162 test_cmp expect .git/rebase-merge/patch &&
163 test_cmp expect2 file1 &&
164 test "$(git diff --name-status |
165 sed -n -e "/^U/s/^U[^a-z]*//p")" = file1 &&
166 test 4 = $(grep -v "^#" < .git/rebase-merge/done | wc -l) &&
167 test 0 = $(grep -c "^[^#]" < .git/rebase-merge/git-rebase-todo)
168'
169
170test_expect_success 'abort' '
171 git rebase --abort &&
172 test $(git rev-parse new-branch1) = $(git rev-parse HEAD) &&
173 test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch1" &&
174 ! test -d .git/rebase-merge
175'
176
177test_expect_success 'retain authorship' '
178 echo A > file7 &&
179 git add file7 &&
180 test_tick &&
181 GIT_AUTHOR_NAME="Twerp Snog" git commit -m "different author" &&
182 git tag twerp &&
183 git rebase -i --onto master HEAD^ &&
184 git show HEAD | grep "^Author: Twerp Snog"
185'
186
187test_expect_success 'squash' '
188 git reset --hard twerp &&
189 echo B > file7 &&
190 test_tick &&
191 GIT_AUTHOR_NAME="Nitfol" git commit -m "nitfol" file7 &&
192 echo "******************************" &&
193 FAKE_LINES="1 squash 2" git rebase -i --onto master HEAD~2 &&
194 test B = $(cat file7) &&
195 test $(git rev-parse HEAD^) = $(git rev-parse master)
196'
197
198test_expect_success 'retain authorship when squashing' '
199 git show HEAD | grep "^Author: Twerp Snog"
200'
201
202test_expect_success '-p handles "no changes" gracefully' '
203 HEAD=$(git rev-parse HEAD) &&
204 git rebase -i -p HEAD^ &&
205 git update-index --refresh &&
206 git diff-files --quiet &&
207 git diff-index --quiet --cached HEAD -- &&
208 test $HEAD = $(git rev-parse HEAD)
209'
210
211test_expect_success 'preserve merges with -p' '
212 git checkout -b to-be-preserved master^ &&
213 : > unrelated-file &&
214 git add unrelated-file &&
215 test_tick &&
216 git commit -m "unrelated" &&
217 git checkout -b another-branch master &&
218 echo B > file1 &&
219 test_tick &&
220 git commit -m J file1 &&
221 test_tick &&
222 git merge to-be-preserved &&
223 echo C > file1 &&
224 test_tick &&
225 git commit -m K file1 &&
226 echo D > file1 &&
227 test_tick &&
228 git commit -m L1 file1 &&
229 git checkout HEAD^ &&
230 echo 1 > unrelated-file &&
231 test_tick &&
232 git commit -m L2 unrelated-file &&
233 test_tick &&
234 git merge another-branch &&
235 echo E > file1 &&
236 test_tick &&
237 git commit -m M file1 &&
238 git checkout -b to-be-rebased &&
239 test_tick &&
240 git rebase -i -p --onto branch1 master &&
241 git update-index --refresh &&
242 git diff-files --quiet &&
243 git diff-index --quiet --cached HEAD -- &&
244 test $(git rev-parse HEAD~6) = $(git rev-parse branch1) &&
245 test $(git rev-parse HEAD~4^2) = $(git rev-parse to-be-preserved) &&
246 test $(git rev-parse HEAD^^2^) = $(git rev-parse HEAD^^^) &&
247 test $(git show HEAD~5:file1) = B &&
248 test $(git show HEAD~3:file1) = C &&
249 test $(git show HEAD:file1) = E &&
250 test $(git show HEAD:unrelated-file) = 1
251'
252
253test_expect_success 'edit ancestor with -p' '
254 FAKE_LINES="1 edit 2 3 4" git rebase -i -p HEAD~3 &&
255 echo 2 > unrelated-file &&
256 test_tick &&
257 git commit -m L2-modified --amend unrelated-file &&
258 git rebase --continue &&
259 git update-index --refresh &&
260 git diff-files --quiet &&
261 git diff-index --quiet --cached HEAD -- &&
262 test $(git show HEAD:unrelated-file) = 2
263'
264
265test_expect_success '--continue tries to commit' '
266 test_tick &&
267 test_must_fail git rebase -i --onto new-branch1 HEAD^ &&
268 echo resolved > file1 &&
269 git add file1 &&
270 FAKE_COMMIT_MESSAGE="chouette!" git rebase --continue &&
271 test $(git rev-parse HEAD^) = $(git rev-parse new-branch1) &&
272 git show HEAD | grep chouette
273'
274
275test_expect_success 'verbose flag is heeded, even after --continue' '
276 git reset --hard HEAD@{1} &&
277 test_tick &&
278 test_must_fail git rebase -v -i --onto new-branch1 HEAD^ &&
279 echo resolved > file1 &&
280 git add file1 &&
281 git rebase --continue > output &&
282 grep "^ file1 | 2 +-$" output
283'
284
285test_expect_success 'multi-squash only fires up editor once' '
286 base=$(git rev-parse HEAD~4) &&
287 FAKE_COMMIT_AMEND="ONCE" FAKE_LINES="1 squash 2 squash 3 squash 4" \
288 git rebase -i $base &&
289 test $base = $(git rev-parse HEAD^) &&
290 test 1 = $(git show | grep ONCE | wc -l)
291'
292
293test_expect_success 'squash works as expected' '
294 for n in one two three four
295 do
296 echo $n >> file$n &&
297 git add file$n &&
298 git commit -m $n
299 done &&
300 one=$(git rev-parse HEAD~3) &&
301 FAKE_LINES="1 squash 3 2" git rebase -i HEAD~3 &&
302 test $one = $(git rev-parse HEAD~2)
303'
304
305test_expect_success 'interrupted squash works as expected' '
306 for n in one two three four
307 do
308 echo $n >> conflict &&
309 git add conflict &&
310 git commit -m $n
311 done &&
312 one=$(git rev-parse HEAD~3) &&
313 (
314 FAKE_LINES="1 squash 3 2" &&
315 export FAKE_LINES &&
316 test_must_fail git rebase -i HEAD~3
317 ) &&
318 (echo one; echo two; echo four) > conflict &&
319 git add conflict &&
320 test_must_fail git rebase --continue &&
321 echo resolved > conflict &&
322 git add conflict &&
323 git rebase --continue &&
324 test $one = $(git rev-parse HEAD~2)
325'
326
327test_expect_success 'interrupted squash works as expected (case 2)' '
328 for n in one two three four
329 do
330 echo $n >> conflict &&
331 git add conflict &&
332 git commit -m $n
333 done &&
334 one=$(git rev-parse HEAD~3) &&
335 (
336 FAKE_LINES="3 squash 1 2" &&
337 export FAKE_LINES &&
338 test_must_fail git rebase -i HEAD~3
339 ) &&
340 (echo one; echo four) > conflict &&
341 git add conflict &&
342 test_must_fail git rebase --continue &&
343 (echo one; echo two; echo four) > conflict &&
344 git add conflict &&
345 test_must_fail git rebase --continue &&
346 echo resolved > conflict &&
347 git add conflict &&
348 git rebase --continue &&
349 test $one = $(git rev-parse HEAD~2)
350'
351
352test_expect_success 'ignore patch if in upstream' '
353 HEAD=$(git rev-parse HEAD) &&
354 git checkout -b has-cherry-picked HEAD^ &&
355 echo unrelated > file7 &&
356 git add file7 &&
357 test_tick &&
358 git commit -m "unrelated change" &&
359 git cherry-pick $HEAD &&
360 EXPECT_COUNT=1 git rebase -i $HEAD &&
361 test $HEAD = $(git rev-parse HEAD^)
362'
363
364test_expect_success '--continue tries to commit, even for "edit"' '
365 parent=$(git rev-parse HEAD^) &&
366 test_tick &&
367 FAKE_LINES="edit 1" git rebase -i HEAD^ &&
368 echo edited > file7 &&
369 git add file7 &&
370 FAKE_COMMIT_MESSAGE="chouette!" git rebase --continue &&
371 test edited = $(git show HEAD:file7) &&
372 git show HEAD | grep chouette &&
373 test $parent = $(git rev-parse HEAD^)
374'
375
376test_expect_success 'aborted --continue does not squash commits after "edit"' '
377 old=$(git rev-parse HEAD) &&
378 test_tick &&
379 FAKE_LINES="edit 1" git rebase -i HEAD^ &&
380 echo "edited again" > file7 &&
381 git add file7 &&
382 (
383 FAKE_COMMIT_MESSAGE=" " &&
384 export FAKE_COMMIT_MESSAGE &&
385 test_must_fail git rebase --continue
386 ) &&
387 test $old = $(git rev-parse HEAD) &&
388 git rebase --abort
389'
390
391test_expect_success 'auto-amend only edited commits after "edit"' '
392 test_tick &&
393 FAKE_LINES="edit 1" git rebase -i HEAD^ &&
394 echo "edited again" > file7 &&
395 git add file7 &&
396 FAKE_COMMIT_MESSAGE="edited file7 again" git commit &&
397 echo "and again" > file7 &&
398 git add file7 &&
399 test_tick &&
400 (
401 FAKE_COMMIT_MESSAGE="and again" &&
402 export FAKE_COMMIT_MESSAGE &&
403 test_must_fail git rebase --continue
404 ) &&
405 git rebase --abort
406'
407
408test_expect_success 'rebase a detached HEAD' '
409 grandparent=$(git rev-parse HEAD~2) &&
410 git checkout $(git rev-parse HEAD) &&
411 test_tick &&
412 FAKE_LINES="2 1" git rebase -i HEAD~2 &&
413 test $grandparent = $(git rev-parse HEAD~2)
414'
415
416test_expect_success 'rebase a commit violating pre-commit' '
417
418 mkdir -p .git/hooks &&
419 PRE_COMMIT=.git/hooks/pre-commit &&
420 echo "#!/bin/sh" > $PRE_COMMIT &&
421 echo "test -z \"\$(git diff --cached --check)\"" >> $PRE_COMMIT &&
422 chmod a+x $PRE_COMMIT &&
423 echo "monde! " >> file1 &&
424 test_tick &&
425 test_must_fail git commit -m doesnt-verify file1 &&
426 git commit -m doesnt-verify --no-verify file1 &&
427 test_tick &&
428 FAKE_LINES=2 git rebase -i HEAD~2
429
430'
431
432test_expect_success 'rebase with a file named HEAD in worktree' '
433
434 rm -fr .git/hooks &&
435 git reset --hard &&
436 git checkout -b branch3 A &&
437
438 (
439 GIT_AUTHOR_NAME="Squashed Away" &&
440 export GIT_AUTHOR_NAME &&
441 >HEAD &&
442 git add HEAD &&
443 git commit -m "Add head" &&
444 >BODY &&
445 git add BODY &&
446 git commit -m "Add body"
447 ) &&
448
449 FAKE_LINES="1 squash 2" git rebase -i to-be-rebased &&
450 test "$(git show -s --pretty=format:%an)" = "Squashed Away"
451
452'
453
454test_expect_success 'do "noop" when there is nothing to cherry-pick' '
455
456 git checkout -b branch4 HEAD &&
457 GIT_EDITOR=: git commit --amend \
458 --author="Somebody else <somebody@else.com>"
459 test $(git rev-parse branch3) != $(git rev-parse branch4) &&
460 git rebase -i branch3 &&
461 test $(git rev-parse branch3) = $(git rev-parse branch4)
462
463'
464
465test_done