summaryrefslogtreecommitdiff
path: root/t/t3400-rebase.sh
blob: 7c7e085043d6653d1fdcbaebcfee45bdb5982966 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
#!/bin/sh
#
# Copyright (c) 2005 Amos Waterland
#
 
test_description='git rebase assorted tests
 
This test runs git rebase and checks that the author information is not lost
among other things.
'
. ./test-lib.sh
 
GIT_AUTHOR_NAME=author@name
GIT_AUTHOR_EMAIL=bogus@email@address
export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL
 
test_expect_success 'prepare repository with topic branches' '
	git config core.logAllRefUpdates true &&
	echo First >A &&
	git update-index --add A &&
	git commit -m "Add A." &&
	git checkout -b force-3way &&
	echo Dummy >Y &&
	git update-index --add Y &&
	git commit -m "Add Y." &&
	git checkout -b filemove &&
	git reset --soft master &&
	mkdir D &&
	git mv A D/A &&
	git commit -m "Move A." &&
	git checkout -b my-topic-branch master &&
	echo Second >B &&
	git update-index --add B &&
	git commit -m "Add B." &&
	git checkout -f master &&
	echo Third >>A &&
	git update-index A &&
	git commit -m "Modify A." &&
	git checkout -b side my-topic-branch &&
	echo Side >>C &&
	git add C &&
	git commit -m "Add C" &&
	git checkout -f my-topic-branch &&
	git tag topic
'
 
test_expect_success 'rebase on dirty worktree' '
	echo dirty >>A &&
	test_must_fail git rebase master
'
 
test_expect_success 'rebase on dirty cache' '
	git add A &&
	test_must_fail git rebase master
'
 
test_expect_success 'rebase against master' '
	git reset --hard HEAD &&
	git rebase master
'
 
test_expect_success 'rebase sets ORIG_HEAD to pre-rebase state' '
	git checkout -b orig-head topic &&
	pre="$(git rev-parse --verify HEAD)" &&
	git rebase master &&
	test_cmp_rev "$pre" ORIG_HEAD &&
	test_cmp_rev ! "$pre" HEAD
'
 
test_expect_success 'rebase, with <onto> and <upstream> specified as :/quuxery' '
	test_when_finished "git branch -D torebase" &&
	git checkout -b torebase my-topic-branch^ &&
	upstream=$(git rev-parse ":/Add B") &&
	onto=$(git rev-parse ":/Add A") &&
	git rebase --onto $onto $upstream &&
	git reset --hard my-topic-branch^ &&
	git rebase --onto ":/Add A" ":/Add B" &&
	git checkout my-topic-branch
'
 
test_expect_success 'the rebase operation should not have destroyed author information' '
	! (git log | grep "Author:" | grep "<>")
'
 
test_expect_success 'the rebase operation should not have destroyed author information (2)' "
	git log -1 |
	grep 'Author: $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL>'
"
 
test_expect_success 'HEAD was detached during rebase' '
	test $(git rev-parse HEAD@{1}) != $(git rev-parse my-topic-branch@{1})
'
 
test_expect_success 'rebase from ambiguous branch name' '
	git checkout -b topic side &&
	git rebase master
'
 
test_expect_success 'rebase off of the previous branch using "-"' '
	git checkout master &&
	git checkout HEAD^ &&
	git rebase @{-1} >expect.messages &&
	git merge-base master HEAD >expect.forkpoint &&
 
	git checkout master &&
	git checkout HEAD^ &&
	git rebase - >actual.messages &&
	git merge-base master HEAD >actual.forkpoint &&
 
	test_cmp expect.forkpoint actual.forkpoint &&
	# the next one is dubious---we may want to say "-",
	# instead of @{-1}, in the message
	test_i18ncmp expect.messages actual.messages
'
 
test_expect_success 'rebase a single mode change' '
	git checkout master &&
	git branch -D topic &&
	echo 1 >X &&
	git add X &&
	test_tick &&
	git commit -m prepare &&
	git checkout -b modechange HEAD^ &&
	echo 1 >X &&
	git add X &&
	test_chmod +x A &&
	test_tick &&
	git commit -m modechange &&
	GIT_TRACE=1 git rebase master
'
 
test_expect_success 'rebase is not broken by diff.renames' '
	test_config diff.renames copies &&
	git checkout filemove &&
	GIT_TRACE=1 git rebase force-3way
'
 
test_expect_success 'setup: recover' '
	test_might_fail git rebase --abort &&
	git reset --hard &&
	git checkout modechange
'
 
test_expect_success 'Show verbose error when HEAD could not be detached' '
	>B &&
	test_must_fail git rebase topic 2>output.err >output.out &&
	test_i18ngrep "The following untracked working tree files would be overwritten by checkout:" output.err &&
	test_i18ngrep B output.err
'
rm -f B
 
test_expect_success 'fail when upstream arg is missing and not on branch' '
	git checkout topic &&
	test_must_fail git rebase
'
 
test_expect_success 'fail when upstream arg is missing and not configured' '
	git checkout -b no-config topic &&
	test_must_fail git rebase
'
 
test_expect_success 'rebase works with format.useAutoBase' '
	test_config format.useAutoBase true &&
	git checkout topic &&
	git rebase master
'
 
test_expect_success 'default to common base in @{upstream}s reflog if no upstream arg (--merge)' '
	git checkout -b default-base master &&
	git checkout -b default topic &&
	git config branch.default.remote . &&
	git config branch.default.merge refs/heads/default-base &&
	git rebase --merge &&
	git rev-parse --verify default-base >expect &&
	git rev-parse default~1 >actual &&
	test_cmp expect actual &&
	git checkout default-base &&
	git reset --hard HEAD^ &&
	git checkout default &&
	git rebase --merge &&
	git rev-parse --verify default-base >expect &&
	git rev-parse default~1 >actual &&
	test_cmp expect actual
'
 
test_expect_success 'default to common base in @{upstream}s reflog if no upstream arg (--apply)' '
	git checkout -B default-base master &&
	git checkout -B default topic &&
	git config branch.default.remote . &&
	git config branch.default.merge refs/heads/default-base &&
	git rebase --apply &&
	git rev-parse --verify default-base >expect &&
	git rev-parse default~1 >actual &&
	test_cmp expect actual &&
	git checkout default-base &&
	git reset --hard HEAD^ &&
	git checkout default &&
	git rebase --apply &&
	git rev-parse --verify default-base >expect &&
	git rev-parse default~1 >actual &&
	test_cmp expect actual
'
 
test_expect_success 'cherry-picked commits and fork-point work together' '
	git checkout default-base &&
	echo Amended >A &&
	git commit -a --no-edit --amend &&
	test_commit B B &&
	test_commit new_B B "New B" &&
	test_commit C C &&
	git checkout default &&
	git reset --hard default-base@{4} &&
	test_commit D D &&
	git cherry-pick -2 default-base^ &&
	test_commit final_B B "Final B" &&
	git rebase &&
	echo Amended >expect &&
	test_cmp expect A &&
	echo "Final B" >expect &&
	test_cmp expect B &&
	echo C >expect &&
	test_cmp expect C &&
	echo D >expect &&
	test_cmp expect D
'
 
test_expect_success 'rebase --apply -q is quiet' '
	git checkout -b quiet topic &&
	git rebase --apply -q master >output.out 2>&1 &&
	test_must_be_empty output.out
'
 
test_expect_success 'rebase --merge -q is quiet' '
	git checkout -B quiet topic &&
	git rebase --merge -q master >output.out 2>&1 &&
	test_must_be_empty output.out
'
 
test_expect_success 'Rebase a commit that sprinkles CRs in' '
	(
		echo "One" &&
		echo "TwoQ" &&
		echo "Three" &&
		echo "FQur" &&
		echo "Five"
	) | q_to_cr >CR &&
	git add CR &&
	test_tick &&
	git commit -a -m "A file with a line with CR" &&
	git tag file-with-cr &&
	git checkout HEAD^0 &&
	git rebase --onto HEAD^^ HEAD^ &&
	git diff --exit-code file-with-cr:CR HEAD:CR
'
 
test_expect_success 'rebase can copy notes' '
	git config notes.rewrite.rebase true &&
	git config notes.rewriteRef "refs/notes/*" &&
	test_commit n1 &&
	test_commit n2 &&
	test_commit n3 &&
	git notes add -m"a note" n3 &&
	git rebase --onto n1 n2 &&
	test "a note" = "$(git notes show HEAD)"
'
 
test_expect_success 'rebase -m can copy notes' '
	git reset --hard n3 &&
	git rebase -m --onto n1 n2 &&
	test "a note" = "$(git notes show HEAD)"
'
 
test_expect_success 'rebase commit with an ancient timestamp' '
	git reset --hard &&
 
	>old.one && git add old.one && test_tick &&
	git commit --date="@12345 +0400" -m "Old one" &&
	>old.two && git add old.two && test_tick &&
	git commit --date="@23456 +0500" -m "Old two" &&
	>old.three && git add old.three && test_tick &&
	git commit --date="@34567 +0600" -m "Old three" &&
 
	git cat-file commit HEAD^^ >actual &&
	grep "author .* 12345 +0400$" actual &&
	git cat-file commit HEAD^ >actual &&
	grep "author .* 23456 +0500$" actual &&
	git cat-file commit HEAD >actual &&
	grep "author .* 34567 +0600$" actual &&
 
	git rebase --onto HEAD^^ HEAD^ &&
 
	git cat-file commit HEAD >actual &&
	grep "author .* 34567 +0600$" actual
'
 
test_expect_success 'rebase with "From " line in commit message' '
	git checkout -b preserve-from master~1 &&
	cat >From_.msg <<EOF &&
Somebody embedded an mbox in a commit message
 
This is from so-and-so:
 
From a@b Mon Sep 17 00:00:00 2001
From: John Doe <nobody@example.com>
Date: Sat, 11 Nov 2017 00:00:00 +0000
Subject: not this message
 
something
EOF
	>From_ &&
	git add From_ &&
	git commit -F From_.msg &&
	git rebase master &&
	git log -1 --pretty=format:%B >out &&
	test_cmp From_.msg out
'
 
test_expect_success 'rebase --apply and --show-current-patch' '
	test_create_repo conflict-apply &&
	(
		cd conflict-apply &&
		test_commit init &&
		echo one >>init.t &&
		git commit -a -m one &&
		echo two >>init.t &&
		git commit -a -m two &&
		git tag two &&
		test_must_fail git rebase --apply -f --onto init HEAD^ &&
		GIT_TRACE=1 git rebase --show-current-patch >/dev/null 2>stderr &&
		grep "show.*$(git rev-parse two)" stderr
	)
'
 
test_expect_success 'rebase --apply and .gitattributes' '
	test_create_repo attributes &&
	(
		cd attributes &&
		test_commit init &&
		git config filter.test.clean "sed -e '\''s/smudged/clean/g'\''" &&
		git config filter.test.smudge "sed -e '\''s/clean/smudged/g'\''" &&
 
		test_commit second &&
		git checkout -b test HEAD^ &&
 
		echo "*.txt filter=test" >.gitattributes &&
		git add .gitattributes &&
		test_commit third &&
 
		echo "This text is smudged." >a.txt &&
		git add a.txt &&
		test_commit fourth &&
 
		git checkout -b removal HEAD^ &&
		git rm .gitattributes &&
		git add -u &&
		test_commit fifth &&
		git cherry-pick test &&
 
		git checkout test &&
		git rebase master &&
		grep "smudged" a.txt &&
 
		git checkout removal &&
		git reset --hard &&
		git rebase master &&
		grep "clean" a.txt
	)
'
 
test_expect_success 'rebase--merge.sh and --show-current-patch' '
	test_create_repo conflict-merge &&
	(
		cd conflict-merge &&
		test_commit init &&
		echo one >>init.t &&
		git commit -a -m one &&
		echo two >>init.t &&
		git commit -a -m two &&
		git tag two &&
		test_must_fail git rebase --merge --onto init HEAD^ &&
		git rebase --show-current-patch >actual.patch &&
		GIT_TRACE=1 git rebase --show-current-patch >/dev/null 2>stderr &&
		grep "show.*REBASE_HEAD" stderr &&
		test "$(git rev-parse REBASE_HEAD)" = "$(git rev-parse two)"
	)
'
 
test_expect_success 'rebase -c rebase.useBuiltin=false warning' '
	expected="rebase.useBuiltin support has been removed" &&
 
	# Only warn when the legacy rebase is requested...
	test_must_fail git -c rebase.useBuiltin=false rebase 2>err &&
	test_i18ngrep "$expected" err &&
	test_must_fail env GIT_TEST_REBASE_USE_BUILTIN=false git rebase 2>err &&
	test_i18ngrep "$expected" err &&
 
	# ...not when we would have used the built-in anyway
	test_must_fail git -c rebase.useBuiltin=true rebase 2>err &&
	test_must_be_empty err &&
	test_must_fail env GIT_TEST_REBASE_USE_BUILTIN=true git rebase 2>err &&
	test_must_be_empty err
'
 
test_done