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1 #!/bin/sh
2 #
3 # Copyright (c) 2006 Junio C Hamano
4 #
5
6 test_description='git checkout tests.
7
8 Creates master, forks renamer and side branches from it.
9 Test switching across them.
10
11 ! [master] Initial A one, A two
12 * [renamer] Renamer R one->uno, M two
13 ! [side] Side M one, D two, A three
14 ! [simple] Simple D one, M two
15 ----
16 + [simple] Simple D one, M two
17 + [side] Side M one, D two, A three
18 * [renamer] Renamer R one->uno, M two
19 +*++ [master] Initial A one, A two
20
21 '
22
23 . ./test-lib.sh
24
25 test_tick
26
27 fill () {
28 for i
29 do
30 echo "$i"
31 done
32 }
33
34
35 test_expect_success setup '
36
37 fill x y z > same &&
38 fill 1 2 3 4 5 6 7 8 >one &&
39 fill a b c d e >two &&
40 git add same one two &&
41 git commit -m "Initial A one, A two" &&
42
43 git checkout -b renamer &&
44 rm -f one &&
45 fill 1 3 4 5 6 7 8 >uno &&
46 git add uno &&
47 fill a b c d e f >two &&
48 git commit -a -m "Renamer R one->uno, M two" &&
49
50 git checkout -b side master &&
51 fill 1 2 3 4 5 6 7 >one &&
52 fill A B C D E >three &&
53 rm -f two &&
54 git update-index --add --remove one two three &&
55 git commit -m "Side M one, D two, A three" &&
56
57 git checkout -b simple master &&
58 rm -f one &&
59 fill a c e > two &&
60 git commit -a -m "Simple D one, M two" &&
61
62 git checkout master
63 '
64
65 test_expect_success "checkout from non-existing branch" '
66
67 git checkout -b delete-me master &&
68 git update-ref -d --no-deref refs/heads/delete-me &&
69 test refs/heads/delete-me = "$(git symbolic-ref HEAD)" &&
70 git checkout master &&
71 test refs/heads/master = "$(git symbolic-ref HEAD)"
72 '
73
74 test_expect_success "checkout with dirty tree without -m" '
75
76 fill 0 1 2 3 4 5 6 7 8 >one &&
77 if git checkout side
78 then
79 echo Not happy
80 false
81 else
82 echo "happy - failed correctly"
83 fi
84
85 '
86
87 test_expect_success "checkout with unrelated dirty tree without -m" '
88
89 git checkout -f master &&
90 fill 0 1 2 3 4 5 6 7 8 >same &&
91 cp same kept &&
92 git checkout side >messages &&
93 test_cmp same kept &&
94 printf "M\t%s\n" same >messages.expect &&
95 test_cmp messages.expect messages
96 '
97
98 test_expect_success "checkout -m with dirty tree" '
99
100 git checkout -f master &&
101 git clean -f &&
102
103 fill 0 1 2 3 4 5 6 7 8 >one &&
104 git checkout -m side > messages &&
105
106 test "$(git symbolic-ref HEAD)" = "refs/heads/side" &&
107
108 printf "M\t%s\n" one >expect.messages &&
109 test_cmp expect.messages messages &&
110
111 fill "M one" "A three" "D two" >expect.master &&
112 git diff --name-status master >current.master &&
113 test_cmp expect.master current.master &&
114
115 fill "M one" >expect.side &&
116 git diff --name-status side >current.side &&
117 test_cmp expect.side current.side &&
118
119 git diff --cached >current.index &&
120 test_must_be_empty current.index
121 '
122
123 test_expect_success "checkout -m with dirty tree, renamed" '
124
125 git checkout -f master && git clean -f &&
126
127 fill 1 2 3 4 5 7 8 >one &&
128 if git checkout renamer
129 then
130 echo Not happy
131 false
132 else
133 echo "happy - failed correctly"
134 fi &&
135
136 git checkout -m renamer &&
137 fill 1 3 4 5 7 8 >expect &&
138 test_cmp expect uno &&
139 ! test -f one &&
140 git diff --cached >current &&
141 test_must_be_empty current
142
143 '
144
145 test_expect_success 'checkout -m with merge conflict' '
146
147 git checkout -f master && git clean -f &&
148
149 fill 1 T 3 4 5 6 S 8 >one &&
150 if git checkout renamer
151 then
152 echo Not happy
153 false
154 else
155 echo "happy - failed correctly"
156 fi &&
157
158 git checkout -m renamer &&
159
160 git diff master:one :3:uno |
161 sed -e "1,/^@@/d" -e "/^ /d" -e "s/^-/d/" -e "s/^+/a/" >current &&
162 fill d2 aT d7 aS >expect &&
163 test_cmp expect current &&
164 git diff --cached two >current &&
165 test_must_be_empty current
166 '
167
168 test_expect_success 'format of merge conflict from checkout -m' '
169
170 git checkout -f master && git clean -f &&
171
172 fill b d > two &&
173 git checkout -m simple &&
174
175 git ls-files >current &&
176 fill same two two two >expect &&
177 test_cmp expect current &&
178
179 cat <<-EOF >expect &&
180 <<<<<<< simple
181 a
182 c
183 e
184 =======
185 b
186 d
187 >>>>>>> local
188 EOF
189 test_cmp expect two
190 '
191
192 test_expect_success 'checkout --merge --conflict=diff3 <branch>' '
193
194 git checkout -f master && git reset --hard && git clean -f &&
195
196 fill b d > two &&
197 git checkout --merge --conflict=diff3 simple &&
198
199 cat <<-EOF >expect &&
200 <<<<<<< simple
201 a
202 c
203 e
204 ||||||| master
205 a
206 b
207 c
208 d
209 e
210 =======
211 b
212 d
213 >>>>>>> local
214 EOF
215 test_cmp expect two
216 '
217
218 test_expect_success 'switch to another branch while carrying a deletion' '
219
220 git checkout -f master && git reset --hard && git clean -f &&
221 git rm two &&
222
223 test_must_fail git checkout simple 2>errs &&
224 test_i18ngrep overwritten errs &&
225
226 test_must_fail git read-tree --quiet -m -u HEAD simple 2>errs &&
227 test_must_be_empty errs
228 '
229
230 test_expect_success 'checkout to detach HEAD (with advice declined)' '
231
232 git config advice.detachedHead false &&
233 git checkout -f renamer && git clean -f &&
234 git checkout renamer^ 2>messages &&
235 test_i18ngrep "HEAD is now at 7329388" messages &&
236 test_line_count = 1 messages &&
237 H=$(git rev-parse --verify HEAD) &&
238 M=$(git show-ref -s --verify refs/heads/master) &&
239 test "z$H" = "z$M" &&
240 if git symbolic-ref HEAD >/dev/null 2>&1
241 then
242 echo "OOPS, HEAD is still symbolic???"
243 false
244 else
245 : happy
246 fi
247 '
248
249 test_expect_success 'checkout to detach HEAD' '
250 git config advice.detachedHead true &&
251 git checkout -f renamer && git clean -f &&
252 GIT_TEST_GETTEXT_POISON=false git checkout renamer^ 2>messages &&
253 grep "HEAD is now at 7329388" messages &&
254 test_line_count -gt 1 messages &&
255 H=$(git rev-parse --verify HEAD) &&
256 M=$(git show-ref -s --verify refs/heads/master) &&
257 test "z$H" = "z$M" &&
258 if git symbolic-ref HEAD >/dev/null 2>&1
259 then
260 echo "OOPS, HEAD is still symbolic???"
261 false
262 else
263 : happy
264 fi
265 '
266
267 test_expect_success 'checkout to detach HEAD with branchname^' '
268
269 git checkout -f master && git clean -f &&
270 git checkout renamer^ &&
271 H=$(git rev-parse --verify HEAD) &&
272 M=$(git show-ref -s --verify refs/heads/master) &&
273 test "z$H" = "z$M" &&
274 if git symbolic-ref HEAD >/dev/null 2>&1
275 then
276 echo "OOPS, HEAD is still symbolic???"
277 false
278 else
279 : happy
280 fi
281 '
282
283 test_expect_success 'checkout to detach HEAD with :/message' '
284
285 git checkout -f master && git clean -f &&
286 git checkout ":/Initial" &&
287 H=$(git rev-parse --verify HEAD) &&
288 M=$(git show-ref -s --verify refs/heads/master) &&
289 test "z$H" = "z$M" &&
290 if git symbolic-ref HEAD >/dev/null 2>&1
291 then
292 echo "OOPS, HEAD is still symbolic???"
293 false
294 else
295 : happy
296 fi
297 '
298
299 test_expect_success 'checkout to detach HEAD with HEAD^0' '
300
301 git checkout -f master && git clean -f &&
302 git checkout HEAD^0 &&
303 H=$(git rev-parse --verify HEAD) &&
304 M=$(git show-ref -s --verify refs/heads/master) &&
305 test "z$H" = "z$M" &&
306 if git symbolic-ref HEAD >/dev/null 2>&1
307 then
308 echo "OOPS, HEAD is still symbolic???"
309 false
310 else
311 : happy
312 fi
313 '
314
315 test_expect_success 'checkout with ambiguous tag/branch names' '
316
317 git tag both side &&
318 git branch both master &&
319 git reset --hard &&
320 git checkout master &&
321
322 git checkout both &&
323 H=$(git rev-parse --verify HEAD) &&
324 M=$(git show-ref -s --verify refs/heads/master) &&
325 test "z$H" = "z$M" &&
326 name=$(git symbolic-ref HEAD 2>/dev/null) &&
327 test "z$name" = zrefs/heads/both
328
329 '
330
331 test_expect_success 'checkout with ambiguous tag/branch names' '
332
333 git reset --hard &&
334 git checkout master &&
335
336 git tag frotz side &&
337 git branch frotz master &&
338 git reset --hard &&
339 git checkout master &&
340
341 git checkout tags/frotz &&
342 H=$(git rev-parse --verify HEAD) &&
343 S=$(git show-ref -s --verify refs/heads/side) &&
344 test "z$H" = "z$S" &&
345 if name=$(git symbolic-ref HEAD 2>/dev/null)
346 then
347 echo "Bad -- should have detached"
348 false
349 else
350 : happy
351 fi
352
353 '
354
355 test_expect_success 'switch branches while in subdirectory' '
356
357 git reset --hard &&
358 git checkout master &&
359
360 mkdir subs &&
361 (
362 cd subs &&
363 git checkout side
364 ) &&
365 ! test -f subs/one &&
366 rm -fr subs
367
368 '
369
370 test_expect_success 'checkout specific path while in subdirectory' '
371
372 git reset --hard &&
373 git checkout side &&
374 mkdir subs &&
375 >subs/bero &&
376 git add subs/bero &&
377 git commit -m "add subs/bero" &&
378
379 git checkout master &&
380 mkdir -p subs &&
381 (
382 cd subs &&
383 git checkout side -- bero
384 ) &&
385 test -f subs/bero
386
387 '
388
389 test_expect_success \
390 'checkout w/--track sets up tracking' '
391 git config branch.autosetupmerge false &&
392 git checkout master &&
393 git checkout --track -b track1 &&
394 test "$(git config branch.track1.remote)" &&
395 test "$(git config branch.track1.merge)"'
396
397 test_expect_success \
398 'checkout w/autosetupmerge=always sets up tracking' '
399 test_when_finished git config branch.autosetupmerge false &&
400 git config branch.autosetupmerge always &&
401 git checkout master &&
402 git checkout -b track2 &&
403 test "$(git config branch.track2.remote)" &&
404 test "$(git config branch.track2.merge)"'
405
406 test_expect_success 'checkout w/--track from non-branch HEAD fails' '
407 git checkout master^0 &&
408 test_must_fail git symbolic-ref HEAD &&
409 test_must_fail git checkout --track -b track &&
410 test_must_fail git rev-parse --verify track &&
411 test_must_fail git symbolic-ref HEAD &&
412 test "z$(git rev-parse master^0)" = "z$(git rev-parse HEAD)"
413 '
414
415 test_expect_success 'checkout w/--track from tag fails' '
416 git checkout master^0 &&
417 test_must_fail git symbolic-ref HEAD &&
418 test_must_fail git checkout --track -b track frotz &&
419 test_must_fail git rev-parse --verify track &&
420 test_must_fail git symbolic-ref HEAD &&
421 test "z$(git rev-parse master^0)" = "z$(git rev-parse HEAD)"
422 '
423
424 test_expect_success 'detach a symbolic link HEAD' '
425 git checkout master &&
426 git config --bool core.prefersymlinkrefs yes &&
427 git checkout side &&
428 git checkout master &&
429 it=$(git symbolic-ref HEAD) &&
430 test "z$it" = zrefs/heads/master &&
431 here=$(git rev-parse --verify refs/heads/master) &&
432 git checkout side^ &&
433 test "z$(git rev-parse --verify refs/heads/master)" = "z$here"
434 '
435
436 test_expect_success \
437 'checkout with --track fakes a sensible -b <name>' '
438 git config remote.origin.fetch "+refs/heads/*:refs/remotes/origin/*" &&
439 git update-ref refs/remotes/origin/koala/bear renamer &&
440
441 git checkout --track origin/koala/bear &&
442 test "refs/heads/koala/bear" = "$(git symbolic-ref HEAD)" &&
443 test "$(git rev-parse HEAD)" = "$(git rev-parse renamer)" &&
444
445 git checkout master && git branch -D koala/bear &&
446
447 git checkout --track refs/remotes/origin/koala/bear &&
448 test "refs/heads/koala/bear" = "$(git symbolic-ref HEAD)" &&
449 test "$(git rev-parse HEAD)" = "$(git rev-parse renamer)" &&
450
451 git checkout master && git branch -D koala/bear &&
452
453 git checkout --track remotes/origin/koala/bear &&
454 test "refs/heads/koala/bear" = "$(git symbolic-ref HEAD)" &&
455 test "$(git rev-parse HEAD)" = "$(git rev-parse renamer)"
456 '
457
458 test_expect_success \
459 'checkout with --track, but without -b, fails with too short tracked name' '
460 test_must_fail git checkout --track renamer'
461
462 setup_conflicting_index () {
463 rm -f .git/index &&
464 O=$(echo original | git hash-object -w --stdin) &&
465 A=$(echo ourside | git hash-object -w --stdin) &&
466 B=$(echo theirside | git hash-object -w --stdin) &&
467 (
468 echo "100644 $A 0 fild" &&
469 echo "100644 $O 1 file" &&
470 echo "100644 $A 2 file" &&
471 echo "100644 $B 3 file" &&
472 echo "100644 $A 0 filf"
473 ) | git update-index --index-info
474 }
475
476 test_expect_success 'checkout an unmerged path should fail' '
477 setup_conflicting_index &&
478 echo "none of the above" >sample &&
479 cat sample >fild &&
480 cat sample >file &&
481 cat sample >filf &&
482 test_must_fail git checkout fild file filf &&
483 test_cmp sample fild &&
484 test_cmp sample filf &&
485 test_cmp sample file
486 '
487
488 test_expect_success 'checkout with an unmerged path can be ignored' '
489 setup_conflicting_index &&
490 echo "none of the above" >sample &&
491 echo ourside >expect &&
492 cat sample >fild &&
493 cat sample >file &&
494 cat sample >filf &&
495 git checkout -f fild file filf &&
496 test_cmp expect fild &&
497 test_cmp expect filf &&
498 test_cmp sample file
499 '
500
501 test_expect_success 'checkout unmerged stage' '
502 setup_conflicting_index &&
503 echo "none of the above" >sample &&
504 echo ourside >expect &&
505 cat sample >fild &&
506 cat sample >file &&
507 cat sample >filf &&
508 git checkout --ours . &&
509 test_cmp expect fild &&
510 test_cmp expect filf &&
511 test_cmp expect file &&
512 git checkout --theirs file &&
513 test ztheirside = "z$(cat file)"
514 '
515
516 test_expect_success 'checkout with --merge' '
517 setup_conflicting_index &&
518 echo "none of the above" >sample &&
519 echo ourside >expect &&
520 cat sample >fild &&
521 cat sample >file &&
522 cat sample >filf &&
523 git checkout -m -- fild file filf &&
524 (
525 echo "<<<<<<< ours" &&
526 echo ourside &&
527 echo "=======" &&
528 echo theirside &&
529 echo ">>>>>>> theirs"
530 ) >merged &&
531 test_cmp expect fild &&
532 test_cmp expect filf &&
533 test_cmp merged file
534 '
535
536 test_expect_success 'checkout with --merge, in diff3 -m style' '
537 git config merge.conflictstyle diff3 &&
538 setup_conflicting_index &&
539 echo "none of the above" >sample &&
540 echo ourside >expect &&
541 cat sample >fild &&
542 cat sample >file &&
543 cat sample >filf &&
544 git checkout -m -- fild file filf &&
545 (
546 echo "<<<<<<< ours" &&
547 echo ourside &&
548 echo "||||||| base" &&
549 echo original &&
550 echo "=======" &&
551 echo theirside &&
552 echo ">>>>>>> theirs"
553 ) >merged &&
554 test_cmp expect fild &&
555 test_cmp expect filf &&
556 test_cmp merged file
557 '
558
559 test_expect_success 'checkout --conflict=merge, overriding config' '
560 git config merge.conflictstyle diff3 &&
561 setup_conflicting_index &&
562 echo "none of the above" >sample &&
563 echo ourside >expect &&
564 cat sample >fild &&
565 cat sample >file &&
566 cat sample >filf &&
567 git checkout --conflict=merge -- fild file filf &&
568 (
569 echo "<<<<<<< ours" &&
570 echo ourside &&
571 echo "=======" &&
572 echo theirside &&
573 echo ">>>>>>> theirs"
574 ) >merged &&
575 test_cmp expect fild &&
576 test_cmp expect filf &&
577 test_cmp merged file
578 '
579
580 test_expect_success 'checkout --conflict=diff3' '
581 test_unconfig merge.conflictstyle &&
582 setup_conflicting_index &&
583 echo "none of the above" >sample &&
584 echo ourside >expect &&
585 cat sample >fild &&
586 cat sample >file &&
587 cat sample >filf &&
588 git checkout --conflict=diff3 -- fild file filf &&
589 (
590 echo "<<<<<<< ours" &&
591 echo ourside &&
592 echo "||||||| base" &&
593 echo original &&
594 echo "=======" &&
595 echo theirside &&
596 echo ">>>>>>> theirs"
597 ) >merged &&
598 test_cmp expect fild &&
599 test_cmp expect filf &&
600 test_cmp merged file
601 '
602
603 test_expect_success 'failing checkout -b should not break working tree' '
604 git reset --hard master &&
605 git symbolic-ref HEAD refs/heads/master &&
606 test_must_fail git checkout -b renamer side^ &&
607 test $(git symbolic-ref HEAD) = refs/heads/master &&
608 git diff --exit-code &&
609 git diff --cached --exit-code
610
611 '
612
613 test_expect_success 'switch out of non-branch' '
614 git reset --hard master &&
615 git checkout master^0 &&
616 echo modified >one &&
617 test_must_fail git checkout renamer 2>error.log &&
618 ! grep "^Previous HEAD" error.log
619 '
620
621 (
622 echo "#!$SHELL_PATH"
623 cat <<\EOF
624 O=$1 A=$2 B=$3
625 cat "$A" >.tmp
626 exec >"$A"
627 echo '<<<<<<< filfre-theirs'
628 cat "$B"
629 echo '||||||| filfre-common'
630 cat "$O"
631 echo '======='
632 cat ".tmp"
633 echo '>>>>>>> filfre-ours'
634 rm -f .tmp
635 exit 1
636 EOF
637 ) >filfre.sh
638 chmod +x filfre.sh
639
640 test_expect_success 'custom merge driver with checkout -m' '
641 git reset --hard &&
642
643 git config merge.filfre.driver "./filfre.sh %O %A %B" &&
644 git config merge.filfre.name "Feel-free merge driver" &&
645 git config merge.filfre.recursive binary &&
646 echo "arm merge=filfre" >.gitattributes &&
647
648 git checkout -b left &&
649 echo neutral >arm &&
650 git add arm .gitattributes &&
651 test_tick &&
652 git commit -m neutral &&
653 git branch right &&
654
655 echo left >arm &&
656 test_tick &&
657 git commit -a -m left &&
658 git checkout right &&
659
660 echo right >arm &&
661 test_tick &&
662 git commit -a -m right &&
663
664 test_must_fail git merge left &&
665 (
666 for t in filfre-common left right
667 do
668 grep $t arm || exit 1
669 done
670 ) &&
671
672 mv arm expect &&
673 git checkout -m arm &&
674 test_cmp expect arm
675 '
676
677 test_done