aboutsummaryrefslogtreecommitdiff
path: root/t/t7201-co.sh
blob: 0c002ab6951752bbf1d466ff5d0a4668835ca57c (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
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
#!/bin/sh
#
# Copyright (c) 2006 Junio C Hamano
#

test_description='git checkout tests.

Creates master, forks renamer and side branches from it.
Test switching across them.

  ! [master] Initial A one, A two
   * [renamer] Renamer R one->uno, M two
    ! [side] Side M one, D two, A three
     ! [simple] Simple D one, M two
  ----
     + [simple] Simple D one, M two
    +  [side] Side M one, D two, A three
   *   [renamer] Renamer R one->uno, M two
  +*++ [master] Initial A one, A two

'

. ./test-lib.sh

test_tick

fill () {
	for i
	do
		echo "$i"
	done
}


test_expect_success setup '

	fill x y z > same &&
	fill 1 2 3 4 5 6 7 8 >one &&
	fill a b c d e >two &&
	git add same one two &&
	git commit -m "Initial A one, A two" &&

	git checkout -b renamer &&
	rm -f one &&
	fill 1 3 4 5 6 7 8 >uno &&
	git add uno &&
	fill a b c d e f >two &&
	git commit -a -m "Renamer R one->uno, M two" &&

	git checkout -b side master &&
	fill 1 2 3 4 5 6 7 >one &&
	fill A B C D E >three &&
	rm -f two &&
	git update-index --add --remove one two three &&
	git commit -m "Side M one, D two, A three" &&

	git checkout -b simple master &&
	rm -f one &&
	fill a c e > two &&
	git commit -a -m "Simple D one, M two" &&

	git checkout master
'

test_expect_success "checkout from non-existing branch" '

	git checkout -b delete-me master &&
	rm .git/refs/heads/delete-me &&
	test refs/heads/delete-me = "$(git symbolic-ref HEAD)" &&
	git checkout master &&
	test refs/heads/master = "$(git symbolic-ref HEAD)"
'

test_expect_success "checkout with dirty tree without -m" '

	fill 0 1 2 3 4 5 6 7 8 >one &&
	if git checkout side
	then
		echo Not happy
		false
	else
		echo "happy - failed correctly"
	fi

'

test_expect_success "checkout with unrelated dirty tree without -m" '

	git checkout -f master &&
	fill 0 1 2 3 4 5 6 7 8 >same &&
	cp same kept
	git checkout side >messages &&
	test_cmp same kept
	(cat > messages.expect <<EOF
M	same
EOF
) &&
	touch messages.expect &&
	test_cmp messages.expect messages
'

test_expect_success "checkout -m with dirty tree" '

	git checkout -f master &&
	git clean -f &&

	fill 0 1 2 3 4 5 6 7 8 >one &&
	git checkout -m side > messages &&

	test "$(git symbolic-ref HEAD)" = "refs/heads/side" &&

	(cat >expect.messages <<EOF
M	one
EOF
) &&
	test_cmp expect.messages messages &&

	fill "M	one" "A	three" "D	two" >expect.master &&
	git diff --name-status master >current.master &&
	test_cmp expect.master current.master &&

	fill "M	one" >expect.side &&
	git diff --name-status side >current.side &&
	test_cmp expect.side current.side &&

	: >expect.index &&
	git diff --cached >current.index &&
	test_cmp expect.index current.index
'

test_expect_success "checkout -m with dirty tree, renamed" '

	git checkout -f master && git clean -f &&

	fill 1 2 3 4 5 7 8 >one &&
	if git checkout renamer
	then
		echo Not happy
		false
	else
		echo "happy - failed correctly"
	fi &&

	git checkout -m renamer &&
	fill 1 3 4 5 7 8 >expect &&
	test_cmp expect uno &&
	! test -f one &&
	git diff --cached >current &&
	! test -s current

'

test_expect_success 'checkout -m with merge conflict' '

	git checkout -f master && git clean -f &&

	fill 1 T 3 4 5 6 S 8 >one &&
	if git checkout renamer
	then
		echo Not happy
		false
	else
		echo "happy - failed correctly"
	fi &&

	git checkout -m renamer &&

	git diff master:one :3:uno |
	sed -e "1,/^@@/d" -e "/^ /d" -e "s/^-/d/" -e "s/^+/a/" >current &&
	fill d2 aT d7 aS >expect &&
	test_cmp current expect &&
	git diff --cached two >current &&
	! test -s current
'

test_expect_success 'format of merge conflict from checkout -m' '

	git checkout -f master && git clean -f &&

	fill b d > two &&
	git checkout -m simple &&

	git ls-files >current &&
	fill same two two two >expect &&
	test_cmp current expect &&

	cat <<-EOF >expect &&
	<<<<<<< simple
	a
	c
	e
	=======
	b
	d
	>>>>>>> local
	EOF
	test_cmp two expect
'

test_expect_success 'checkout --merge --conflict=diff3 <branch>' '

	git checkout -f master && git reset --hard && git clean -f &&

	fill b d > two &&
	git checkout --merge --conflict=diff3 simple &&

	cat <<-EOF >expect &&
	<<<<<<< simple
	a
	c
	e
	||||||| master
	a
	b
	c
	d
	e
	=======
	b
	d
	>>>>>>> local
	EOF
	test_cmp two expect
'

test_expect_success 'checkout to detach HEAD (with advice declined)' '

	git config advice.detachedHead false &&
	git checkout -f renamer && git clean -f &&
	git checkout renamer^ 2>messages &&
	grep "HEAD is now at 7329388" messages &&
	test 1 -eq $(wc -l <messages) &&
	H=$(git rev-parse --verify HEAD) &&
	M=$(git show-ref -s --verify refs/heads/master) &&
	test "z$H" = "z$M" &&
	if git symbolic-ref HEAD >/dev/null 2>&1
	then
		echo "OOPS, HEAD is still symbolic???"
		false
	else
		: happy
	fi
'

test_expect_success 'checkout to detach HEAD' '
	git config advice.detachedHead true &&
	git checkout -f renamer && git clean -f &&
	git checkout renamer^ 2>messages &&
	grep "HEAD is now at 7329388" messages &&
	test 1 -lt $(wc -l <messages) &&
	H=$(git rev-parse --verify HEAD) &&
	M=$(git show-ref -s --verify refs/heads/master) &&
	test "z$H" = "z$M" &&
	if git symbolic-ref HEAD >/dev/null 2>&1
	then
		echo "OOPS, HEAD is still symbolic???"
		false
	else
		: happy
	fi
'

test_expect_success 'checkout to detach HEAD with branchname^' '

	git checkout -f master && git clean -f &&
	git checkout renamer^ &&
	H=$(git rev-parse --verify HEAD) &&
	M=$(git show-ref -s --verify refs/heads/master) &&
	test "z$H" = "z$M" &&
	if git symbolic-ref HEAD >/dev/null 2>&1
	then
		echo "OOPS, HEAD is still symbolic???"
		false
	else
		: happy
	fi
'

test_expect_success 'checkout to detach HEAD with :/message' '

	git checkout -f master && git clean -f &&
	git checkout ":/Initial" &&
	H=$(git rev-parse --verify HEAD) &&
	M=$(git show-ref -s --verify refs/heads/master) &&
	test "z$H" = "z$M" &&
	if git symbolic-ref HEAD >/dev/null 2>&1
	then
		echo "OOPS, HEAD is still symbolic???"
		false
	else
		: happy
	fi
'

test_expect_success 'checkout to detach HEAD with HEAD^0' '

	git checkout -f master && git clean -f &&
	git checkout HEAD^0 &&
	H=$(git rev-parse --verify HEAD) &&
	M=$(git show-ref -s --verify refs/heads/master) &&
	test "z$H" = "z$M" &&
	if git symbolic-ref HEAD >/dev/null 2>&1
	then
		echo "OOPS, HEAD is still symbolic???"
		false
	else
		: happy
	fi
'

test_expect_success 'checkout with ambiguous tag/branch names' '

	git tag both side &&
	git branch both master &&
	git reset --hard &&
	git checkout master &&

	git checkout both &&
	H=$(git rev-parse --verify HEAD) &&
	M=$(git show-ref -s --verify refs/heads/master) &&
	test "z$H" = "z$M" &&
	name=$(git symbolic-ref HEAD 2>/dev/null) &&
	test "z$name" = zrefs/heads/both

'

test_expect_success 'checkout with ambiguous tag/branch names' '

	git reset --hard &&
	git checkout master &&

	git tag frotz side &&
	git branch frotz master &&
	git reset --hard &&
	git checkout master &&

	git checkout tags/frotz &&
	H=$(git rev-parse --verify HEAD) &&
	S=$(git show-ref -s --verify refs/heads/side) &&
	test "z$H" = "z$S" &&
	if name=$(git symbolic-ref HEAD 2>/dev/null)
	then
		echo "Bad -- should have detached"
		false
	else
		: happy
	fi

'

test_expect_success 'switch branches while in subdirectory' '

	git reset --hard &&
	git checkout master &&

	mkdir subs &&
	(
		cd subs &&
		git checkout side
	) &&
	! test -f subs/one &&
	rm -fr subs

'

test_expect_success 'checkout specific path while in subdirectory' '

	git reset --hard &&
	git checkout side &&
	mkdir subs &&
	>subs/bero &&
	git add subs/bero &&
	git commit -m "add subs/bero" &&

	git checkout master &&
	mkdir -p subs &&
	(
		cd subs &&
		git checkout side -- bero
	) &&
	test -f subs/bero

'

test_expect_success \
    'checkout w/--track sets up tracking' '
    git config branch.autosetupmerge false &&
    git checkout master &&
    git checkout --track -b track1 &&
    test "$(git config branch.track1.remote)" &&
    test "$(git config branch.track1.merge)"'

test_expect_success \
    'checkout w/autosetupmerge=always sets up tracking' '
    git config branch.autosetupmerge always &&
    git checkout master &&
    git checkout -b track2 &&
    test "$(git config branch.track2.remote)" &&
    test "$(git config branch.track2.merge)"
    git config branch.autosetupmerge false'

test_expect_success 'checkout w/--track from non-branch HEAD fails' '
    git checkout master^0 &&
    test_must_fail git symbolic-ref HEAD &&
    test_must_fail git checkout --track -b track &&
    test_must_fail git rev-parse --verify track &&
    test_must_fail git symbolic-ref HEAD &&
    test "z$(git rev-parse master^0)" = "z$(git rev-parse HEAD)"
'

test_expect_success 'checkout w/--track from tag fails' '
    git checkout master^0 &&
    test_must_fail git symbolic-ref HEAD &&
    test_must_fail git checkout --track -b track frotz &&
    test_must_fail git rev-parse --verify track &&
    test_must_fail git symbolic-ref HEAD &&
    test "z$(git rev-parse master^0)" = "z$(git rev-parse HEAD)"
'

test_expect_success 'detach a symbolic link HEAD' '
    git checkout master &&
    git config --bool core.prefersymlinkrefs yes &&
    git checkout side &&
    git checkout master &&
    it=$(git symbolic-ref HEAD) &&
    test "z$it" = zrefs/heads/master &&
    here=$(git rev-parse --verify refs/heads/master) &&
    git checkout side^ &&
    test "z$(git rev-parse --verify refs/heads/master)" = "z$here"
'

test_expect_success \
    'checkout with --track fakes a sensible -b <name>' '
    git update-ref refs/remotes/origin/koala/bear renamer &&

    git checkout --track origin/koala/bear &&
    test "refs/heads/koala/bear" = "$(git symbolic-ref HEAD)" &&
    test "$(git rev-parse HEAD)" = "$(git rev-parse renamer)" &&

    git checkout master && git branch -D koala/bear &&

    git checkout --track refs/remotes/origin/koala/bear &&
    test "refs/heads/koala/bear" = "$(git symbolic-ref HEAD)" &&
    test "$(git rev-parse HEAD)" = "$(git rev-parse renamer)" &&

    git checkout master && git branch -D koala/bear &&

    git checkout --track remotes/origin/koala/bear &&
    test "refs/heads/koala/bear" = "$(git symbolic-ref HEAD)" &&
    test "$(git rev-parse HEAD)" = "$(git rev-parse renamer)"
'

test_expect_success \
    'checkout with --track, but without -b, fails with too short tracked name' '
    test_must_fail git checkout --track renamer'

setup_conflicting_index () {
	rm -f .git/index &&
	O=$(echo original | git hash-object -w --stdin) &&
	A=$(echo ourside | git hash-object -w --stdin) &&
	B=$(echo theirside | git hash-object -w --stdin) &&
	(
		echo "100644 $A 0	fild" &&
		echo "100644 $O 1	file" &&
		echo "100644 $A 2	file" &&
		echo "100644 $B 3	file" &&
		echo "100644 $A 0	filf"
	) | git update-index --index-info
}

test_expect_success 'checkout an unmerged path should fail' '
	setup_conflicting_index &&
	echo "none of the above" >sample &&
	cat sample >fild &&
	cat sample >file &&
	cat sample >filf &&
	test_must_fail git checkout fild file filf &&
	test_cmp sample fild &&
	test_cmp sample filf &&
	test_cmp sample file
'

test_expect_success 'checkout with an unmerged path can be ignored' '
	setup_conflicting_index &&
	echo "none of the above" >sample &&
	echo ourside >expect &&
	cat sample >fild &&
	cat sample >file &&
	cat sample >filf &&
	git checkout -f fild file filf &&
	test_cmp expect fild &&
	test_cmp expect filf &&
	test_cmp sample file
'

test_expect_success 'checkout unmerged stage' '
	setup_conflicting_index &&
	echo "none of the above" >sample &&
	echo ourside >expect &&
	cat sample >fild &&
	cat sample >file &&
	cat sample >filf &&
	git checkout --ours . &&
	test_cmp expect fild &&
	test_cmp expect filf &&
	test_cmp expect file &&
	git checkout --theirs file &&
	test ztheirside = "z$(cat file)"
'

test_expect_success 'checkout with --merge' '
	setup_conflicting_index &&
	echo "none of the above" >sample &&
	echo ourside >expect &&
	cat sample >fild &&
	cat sample >file &&
	cat sample >filf &&
	git checkout -m -- fild file filf &&
	(
		echo "<<<<<<< ours"
		echo ourside
		echo "======="
		echo theirside
		echo ">>>>>>> theirs"
	) >merged &&
	test_cmp expect fild &&
	test_cmp expect filf &&
	test_cmp merged file
'

test_expect_success 'checkout with --merge, in diff3 -m style' '
	git config merge.conflictstyle diff3 &&
	setup_conflicting_index &&
	echo "none of the above" >sample &&
	echo ourside >expect &&
	cat sample >fild &&
	cat sample >file &&
	cat sample >filf &&
	git checkout -m -- fild file filf &&
	(
		echo "<<<<<<< ours"
		echo ourside
		echo "||||||| base"
		echo original
		echo "======="
		echo theirside
		echo ">>>>>>> theirs"
	) >merged &&
	test_cmp expect fild &&
	test_cmp expect filf &&
	test_cmp merged file
'

test_expect_success 'checkout --conflict=merge, overriding config' '
	git config merge.conflictstyle diff3 &&
	setup_conflicting_index &&
	echo "none of the above" >sample &&
	echo ourside >expect &&
	cat sample >fild &&
	cat sample >file &&
	cat sample >filf &&
	git checkout --conflict=merge -- fild file filf &&
	(
		echo "<<<<<<< ours"
		echo ourside
		echo "======="
		echo theirside
		echo ">>>>>>> theirs"
	) >merged &&
	test_cmp expect fild &&
	test_cmp expect filf &&
	test_cmp merged file
'

test_expect_success 'checkout --conflict=diff3' '
	git config --unset merge.conflictstyle
	setup_conflicting_index &&
	echo "none of the above" >sample &&
	echo ourside >expect &&
	cat sample >fild &&
	cat sample >file &&
	cat sample >filf &&
	git checkout --conflict=diff3 -- fild file filf &&
	(
		echo "<<<<<<< ours"
		echo ourside
		echo "||||||| base"
		echo original
		echo "======="
		echo theirside
		echo ">>>>>>> theirs"
	) >merged &&
	test_cmp expect fild &&
	test_cmp expect filf &&
	test_cmp merged file
'

test_expect_success 'failing checkout -b should not break working tree' '
	git reset --hard master &&
	git symbolic-ref HEAD refs/heads/master &&
	test_must_fail git checkout -b renamer side^ &&
	test $(git symbolic-ref HEAD) = refs/heads/master &&
	git diff --exit-code &&
	git diff --cached --exit-code

'

test_expect_success 'switch out of non-branch' '
	git reset --hard master &&
	git checkout master^0 &&
	echo modified >one &&
	test_must_fail git checkout renamer 2>error.log &&
	! grep "^Previous HEAD" error.log
'

(
 echo "#!$SHELL_PATH"
 cat <<\EOF
O=$1 A=$2 B=$3
cat "$A" >.tmp
exec >"$A"
echo '<<<<<<< filfre-theirs'
cat "$B"
echo '||||||| filfre-common'
cat "$O"
echo '======='
cat ".tmp"
echo '>>>>>>> filfre-ours'
rm -f .tmp
exit 1
EOF
) >filfre.sh
chmod +x filfre.sh

test_expect_success 'custom merge driver with checkout -m' '
	git reset --hard &&

	git config merge.filfre.driver "./filfre.sh %O %A %B" &&
	git config merge.filfre.name "Feel-free merge driver" &&
	git config merge.filfre.recursive binary &&
	echo "arm merge=filfre" >.gitattributes &&

	git checkout -b left &&
	echo neutral >arm &&
	git add arm .gitattributes &&
	test_tick &&
	git commit -m neutral &&
	git branch right &&

	echo left >arm &&
	test_tick &&
	git commit -a -m left &&
	git checkout right &&

	echo right >arm &&
	test_tick &&
	git commit -a -m right &&

	test_must_fail git merge left &&
	(
		for t in filfre-common left right
		do
			grep $t arm || exit 1
		done
		exit 0
	) &&

	mv arm expect &&
	git checkout -m arm &&
	test_cmp expect arm
'

test_done