1#!/bin/sh
2#
3# Copyright (c) 2006 Junio C Hamano
4#
5
6test_description='git checkout tests.
7
8Creates master, forks renamer and side branches from it.
9Test 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
25test_tick
26
27fill () {
28 for i
29 do
30 echo "$i"
31 done
32}
33
34
35test_expect_success setup '
36
37 fill x y z > same &&
38 fill 1 2 3 4 5 6 7 8 >one &&
39 fill a b c d e >two &&
40 git add same one two &&
41 git commit -m "Initial A one, A two" &&
42
43 git checkout -b renamer &&
44 rm -f one &&
45 fill 1 3 4 5 6 7 8 >uno &&
46 git add uno &&
47 fill a b c d e f >two &&
48 git commit -a -m "Renamer R one->uno, M two" &&
49
50 git checkout -b side master &&
51 fill 1 2 3 4 5 6 7 >one &&
52 fill A B C D E >three &&
53 rm -f two &&
54 git update-index --add --remove one two three &&
55 git commit -m "Side M one, D two, A three" &&
56
57 git checkout -b simple master &&
58 rm -f one &&
59 fill a c e > two &&
60 git commit -a -m "Simple D one, M two" &&
61
62 git checkout master
63'
64
65test_expect_success "checkout from non-existing branch" '
66
67 git checkout -b delete-me master &&
68 rm .git/refs/heads/delete-me &&
69 test refs/heads/delete-me = "$(git symbolic-ref HEAD)" &&
70 git checkout master &&
71 test refs/heads/master = "$(git symbolic-ref HEAD)"
72'
73
74test_expect_success "checkout with dirty tree without -m" '
75
76 fill 0 1 2 3 4 5 6 7 8 >one &&
77 if git checkout side
78 then
79 echo Not happy
80 false
81 else
82 echo "happy - failed correctly"
83 fi
84
85'
86
87test_expect_success "checkout with unrelated dirty tree without -m" '
88
89 git checkout -f master &&
90 fill 0 1 2 3 4 5 6 7 8 >same &&
91 cp same kept
92 git checkout side >messages &&
93 test_cmp same kept
94 (cat > messages.expect <<EOF
95M same
96EOF
97) &&
98 touch messages.expect &&
99 test_cmp messages.expect messages
100'
101
102test_expect_success "checkout -m with dirty tree" '
103
104 git checkout -f master &&
105 git clean -f &&
106
107 fill 0 1 2 3 4 5 6 7 8 >one &&
108 git checkout -m side > messages &&
109
110 test "$(git symbolic-ref HEAD)" = "refs/heads/side" &&
111
112 (cat >expect.messages <<EOF
113M one
114EOF
115) &&
116 test_cmp expect.messages messages &&
117
118 fill "M one" "A three" "D two" >expect.master &&
119 git diff --name-status master >current.master &&
120 test_cmp expect.master current.master &&
121
122 fill "M one" >expect.side &&
123 git diff --name-status side >current.side &&
124 test_cmp expect.side current.side &&
125
126 : >expect.index &&
127 git diff --cached >current.index &&
128 test_cmp expect.index current.index
129'
130
131test_expect_success "checkout -m with dirty tree, renamed" '
132
133 git checkout -f master && git clean -f &&
134
135 fill 1 2 3 4 5 7 8 >one &&
136 if git checkout renamer
137 then
138 echo Not happy
139 false
140 else
141 echo "happy - failed correctly"
142 fi &&
143
144 git checkout -m renamer &&
145 fill 1 3 4 5 7 8 >expect &&
146 test_cmp expect uno &&
147 ! test -f one &&
148 git diff --cached >current &&
149 ! test -s current
150
151'
152
153test_expect_success 'checkout -m with merge conflict' '
154
155 git checkout -f master && git clean -f &&
156
157 fill 1 T 3 4 5 6 S 8 >one &&
158 if git checkout renamer
159 then
160 echo Not happy
161 false
162 else
163 echo "happy - failed correctly"
164 fi &&
165
166 git checkout -m renamer &&
167
168 git diff master:one :3:uno |
169 sed -e "1,/^@@/d" -e "/^ /d" -e "s/^-/d/" -e "s/^+/a/" >current &&
170 fill d2 aT d7 aS >expect &&
171 test_cmp current expect &&
172 git diff --cached two >current &&
173 ! test -s current
174'
175
176test_expect_success 'format of merge conflict from checkout -m' '
177
178 git checkout -f master && git clean -f &&
179
180 fill b d > two &&
181 git checkout -m simple &&
182
183 git ls-files >current &&
184 fill same two two two >expect &&
185 test_cmp current expect &&
186
187 cat <<-EOF >expect &&
188 <<<<<<< simple
189 a
190 c
191 e
192 =======
193 b
194 d
195 >>>>>>> local
196 EOF
197 test_cmp two expect
198'
199
200test_expect_success 'checkout --merge --conflict=diff3 <branch>' '
201
202 git checkout -f master && git reset --hard && git clean -f &&
203
204 fill b d > two &&
205 git checkout --merge --conflict=diff3 simple &&
206
207 cat <<-EOF >expect &&
208 <<<<<<< simple
209 a
210 c
211 e
212 ||||||| master
213 a
214 b
215 c
216 d
217 e
218 =======
219 b
220 d
221 >>>>>>> local
222 EOF
223 test_cmp two expect
224'
225
226test_expect_success 'switch to another branch while carrying a deletion' '
227
228 git checkout -f master && git reset --hard && git clean -f &&
229 git rm two &&
230
231 test_must_fail git checkout simple 2>errs &&
232 test_i18ngrep overwritten errs &&
233
234 git checkout --merge simple 2>errs &&
235 test_i18ngrep ! overwritten errs &&
236 git ls-files -u &&
237 test_must_fail git cat-file -t :0:two &&
238 test "$(git cat-file -t :1:two)" = blob &&
239 test "$(git cat-file -t :2:two)" = blob &&
240 test_must_fail git cat-file -t :3:two
241'
242
243test_expect_success 'checkout to detach HEAD (with advice declined)' '
244
245 git config advice.detachedHead false &&
246 git checkout -f renamer && git clean -f &&
247 git checkout renamer^ 2>messages &&
248 test_i18ngrep "HEAD is now at 7329388" messages &&
249 test_line_count = 1 messages &&
250 H=$(git rev-parse --verify HEAD) &&
251 M=$(git show-ref -s --verify refs/heads/master) &&
252 test "z$H" = "z$M" &&
253 if git symbolic-ref HEAD >/dev/null 2>&1
254 then
255 echo "OOPS, HEAD is still symbolic???"
256 false
257 else
258 : happy
259 fi
260'
261
262test_expect_success 'checkout to detach HEAD' '
263 git config advice.detachedHead true &&
264 git checkout -f renamer && git clean -f &&
265 git checkout renamer^ 2>messages &&
266 test_i18ngrep "HEAD is now at 7329388" messages &&
267 test_line_count -gt 1 messages &&
268 H=$(git rev-parse --verify HEAD) &&
269 M=$(git show-ref -s --verify refs/heads/master) &&
270 test "z$H" = "z$M" &&
271 if git symbolic-ref HEAD >/dev/null 2>&1
272 then
273 echo "OOPS, HEAD is still symbolic???"
274 false
275 else
276 : happy
277 fi
278'
279
280test_expect_success 'checkout to detach HEAD with branchname^' '
281
282 git checkout -f master && git clean -f &&
283 git checkout renamer^ &&
284 H=$(git rev-parse --verify HEAD) &&
285 M=$(git show-ref -s --verify refs/heads/master) &&
286 test "z$H" = "z$M" &&
287 if git symbolic-ref HEAD >/dev/null 2>&1
288 then
289 echo "OOPS, HEAD is still symbolic???"
290 false
291 else
292 : happy
293 fi
294'
295
296test_expect_success 'checkout to detach HEAD with :/message' '
297
298 git checkout -f master && git clean -f &&
299 git checkout ":/Initial" &&
300 H=$(git rev-parse --verify HEAD) &&
301 M=$(git show-ref -s --verify refs/heads/master) &&
302 test "z$H" = "z$M" &&
303 if git symbolic-ref HEAD >/dev/null 2>&1
304 then
305 echo "OOPS, HEAD is still symbolic???"
306 false
307 else
308 : happy
309 fi
310'
311
312test_expect_success 'checkout to detach HEAD with HEAD^0' '
313
314 git checkout -f master && git clean -f &&
315 git checkout HEAD^0 &&
316 H=$(git rev-parse --verify HEAD) &&
317 M=$(git show-ref -s --verify refs/heads/master) &&
318 test "z$H" = "z$M" &&
319 if git symbolic-ref HEAD >/dev/null 2>&1
320 then
321 echo "OOPS, HEAD is still symbolic???"
322 false
323 else
324 : happy
325 fi
326'
327
328test_expect_success 'checkout with ambiguous tag/branch names' '
329
330 git tag both side &&
331 git branch both master &&
332 git reset --hard &&
333 git checkout master &&
334
335 git checkout both &&
336 H=$(git rev-parse --verify HEAD) &&
337 M=$(git show-ref -s --verify refs/heads/master) &&
338 test "z$H" = "z$M" &&
339 name=$(git symbolic-ref HEAD 2>/dev/null) &&
340 test "z$name" = zrefs/heads/both
341
342'
343
344test_expect_success 'checkout with ambiguous tag/branch names' '
345
346 git reset --hard &&
347 git checkout master &&
348
349 git tag frotz side &&
350 git branch frotz master &&
351 git reset --hard &&
352 git checkout master &&
353
354 git checkout tags/frotz &&
355 H=$(git rev-parse --verify HEAD) &&
356 S=$(git show-ref -s --verify refs/heads/side) &&
357 test "z$H" = "z$S" &&
358 if name=$(git symbolic-ref HEAD 2>/dev/null)
359 then
360 echo "Bad -- should have detached"
361 false
362 else
363 : happy
364 fi
365
366'
367
368test_expect_success 'switch branches while in subdirectory' '
369
370 git reset --hard &&
371 git checkout master &&
372
373 mkdir subs &&
374 (
375 cd subs &&
376 git checkout side
377 ) &&
378 ! test -f subs/one &&
379 rm -fr subs
380
381'
382
383test_expect_success 'checkout specific path while in subdirectory' '
384
385 git reset --hard &&
386 git checkout side &&
387 mkdir subs &&
388 >subs/bero &&
389 git add subs/bero &&
390 git commit -m "add subs/bero" &&
391
392 git checkout master &&
393 mkdir -p subs &&
394 (
395 cd subs &&
396 git checkout side -- bero
397 ) &&
398 test -f subs/bero
399
400'
401
402test_expect_success \
403 'checkout w/--track sets up tracking' '
404 git config branch.autosetupmerge false &&
405 git checkout master &&
406 git checkout --track -b track1 &&
407 test "$(git config branch.track1.remote)" &&
408 test "$(git config branch.track1.merge)"'
409
410test_expect_success \
411 'checkout w/autosetupmerge=always sets up tracking' '
412 git config branch.autosetupmerge always &&
413 git checkout master &&
414 git checkout -b track2 &&
415 test "$(git config branch.track2.remote)" &&
416 test "$(git config branch.track2.merge)"
417 git config branch.autosetupmerge false'
418
419test_expect_success 'checkout w/--track from non-branch HEAD fails' '
420 git checkout master^0 &&
421 test_must_fail git symbolic-ref HEAD &&
422 test_must_fail git checkout --track -b track &&
423 test_must_fail git rev-parse --verify track &&
424 test_must_fail git symbolic-ref HEAD &&
425 test "z$(git rev-parse master^0)" = "z$(git rev-parse HEAD)"
426'
427
428test_expect_success 'checkout w/--track from tag fails' '
429 git checkout master^0 &&
430 test_must_fail git symbolic-ref HEAD &&
431 test_must_fail git checkout --track -b track frotz &&
432 test_must_fail git rev-parse --verify track &&
433 test_must_fail git symbolic-ref HEAD &&
434 test "z$(git rev-parse master^0)" = "z$(git rev-parse HEAD)"
435'
436
437test_expect_success 'detach a symbolic link HEAD' '
438 git checkout master &&
439 git config --bool core.prefersymlinkrefs yes &&
440 git checkout side &&
441 git checkout master &&
442 it=$(git symbolic-ref HEAD) &&
443 test "z$it" = zrefs/heads/master &&
444 here=$(git rev-parse --verify refs/heads/master) &&
445 git checkout side^ &&
446 test "z$(git rev-parse --verify refs/heads/master)" = "z$here"
447'
448
449test_expect_success \
450 'checkout with --track fakes a sensible -b <name>' '
451 git config remote.origin.fetch "+refs/heads/*:refs/remotes/origin/*" &&
452 git update-ref refs/remotes/origin/koala/bear renamer &&
453
454 git checkout --track origin/koala/bear &&
455 test "refs/heads/koala/bear" = "$(git symbolic-ref HEAD)" &&
456 test "$(git rev-parse HEAD)" = "$(git rev-parse renamer)" &&
457
458 git checkout master && git branch -D koala/bear &&
459
460 git checkout --track refs/remotes/origin/koala/bear &&
461 test "refs/heads/koala/bear" = "$(git symbolic-ref HEAD)" &&
462 test "$(git rev-parse HEAD)" = "$(git rev-parse renamer)" &&
463
464 git checkout master && git branch -D koala/bear &&
465
466 git checkout --track remotes/origin/koala/bear &&
467 test "refs/heads/koala/bear" = "$(git symbolic-ref HEAD)" &&
468 test "$(git rev-parse HEAD)" = "$(git rev-parse renamer)"
469'
470
471test_expect_success \
472 'checkout with --track, but without -b, fails with too short tracked name' '
473 test_must_fail git checkout --track renamer'
474
475setup_conflicting_index () {
476 rm -f .git/index &&
477 O=$(echo original | git hash-object -w --stdin) &&
478 A=$(echo ourside | git hash-object -w --stdin) &&
479 B=$(echo theirside | git hash-object -w --stdin) &&
480 (
481 echo "100644 $A 0 fild" &&
482 echo "100644 $O 1 file" &&
483 echo "100644 $A 2 file" &&
484 echo "100644 $B 3 file" &&
485 echo "100644 $A 0 filf"
486 ) | git update-index --index-info
487}
488
489test_expect_success 'checkout an unmerged path should fail' '
490 setup_conflicting_index &&
491 echo "none of the above" >sample &&
492 cat sample >fild &&
493 cat sample >file &&
494 cat sample >filf &&
495 test_must_fail git checkout fild file filf &&
496 test_cmp sample fild &&
497 test_cmp sample filf &&
498 test_cmp sample file
499'
500
501test_expect_success 'checkout with an unmerged path can be ignored' '
502 setup_conflicting_index &&
503 echo "none of the above" >sample &&
504 echo ourside >expect &&
505 cat sample >fild &&
506 cat sample >file &&
507 cat sample >filf &&
508 git checkout -f fild file filf &&
509 test_cmp expect fild &&
510 test_cmp expect filf &&
511 test_cmp sample file
512'
513
514test_expect_success 'checkout unmerged stage' '
515 setup_conflicting_index &&
516 echo "none of the above" >sample &&
517 echo ourside >expect &&
518 cat sample >fild &&
519 cat sample >file &&
520 cat sample >filf &&
521 git checkout --ours . &&
522 test_cmp expect fild &&
523 test_cmp expect filf &&
524 test_cmp expect file &&
525 git checkout --theirs file &&
526 test ztheirside = "z$(cat file)"
527'
528
529test_expect_success 'checkout with --merge' '
530 setup_conflicting_index &&
531 echo "none of the above" >sample &&
532 echo ourside >expect &&
533 cat sample >fild &&
534 cat sample >file &&
535 cat sample >filf &&
536 git checkout -m -- fild file filf &&
537 (
538 echo "<<<<<<< ours"
539 echo ourside
540 echo "======="
541 echo theirside
542 echo ">>>>>>> theirs"
543 ) >merged &&
544 test_cmp expect fild &&
545 test_cmp expect filf &&
546 test_cmp merged file
547'
548
549test_expect_success 'checkout with --merge, in diff3 -m style' '
550 git config merge.conflictstyle diff3 &&
551 setup_conflicting_index &&
552 echo "none of the above" >sample &&
553 echo ourside >expect &&
554 cat sample >fild &&
555 cat sample >file &&
556 cat sample >filf &&
557 git checkout -m -- fild file filf &&
558 (
559 echo "<<<<<<< ours"
560 echo ourside
561 echo "||||||| base"
562 echo original
563 echo "======="
564 echo theirside
565 echo ">>>>>>> theirs"
566 ) >merged &&
567 test_cmp expect fild &&
568 test_cmp expect filf &&
569 test_cmp merged file
570'
571
572test_expect_success 'checkout --conflict=merge, overriding config' '
573 git config merge.conflictstyle diff3 &&
574 setup_conflicting_index &&
575 echo "none of the above" >sample &&
576 echo ourside >expect &&
577 cat sample >fild &&
578 cat sample >file &&
579 cat sample >filf &&
580 git checkout --conflict=merge -- fild file filf &&
581 (
582 echo "<<<<<<< ours"
583 echo ourside
584 echo "======="
585 echo theirside
586 echo ">>>>>>> theirs"
587 ) >merged &&
588 test_cmp expect fild &&
589 test_cmp expect filf &&
590 test_cmp merged file
591'
592
593test_expect_success 'checkout --conflict=diff3' '
594 git config --unset merge.conflictstyle
595 setup_conflicting_index &&
596 echo "none of the above" >sample &&
597 echo ourside >expect &&
598 cat sample >fild &&
599 cat sample >file &&
600 cat sample >filf &&
601 git checkout --conflict=diff3 -- fild file filf &&
602 (
603 echo "<<<<<<< ours"
604 echo ourside
605 echo "||||||| base"
606 echo original
607 echo "======="
608 echo theirside
609 echo ">>>>>>> theirs"
610 ) >merged &&
611 test_cmp expect fild &&
612 test_cmp expect filf &&
613 test_cmp merged file
614'
615
616test_expect_success 'failing checkout -b should not break working tree' '
617 git reset --hard master &&
618 git symbolic-ref HEAD refs/heads/master &&
619 test_must_fail git checkout -b renamer side^ &&
620 test $(git symbolic-ref HEAD) = refs/heads/master &&
621 git diff --exit-code &&
622 git diff --cached --exit-code
623
624'
625
626test_expect_success 'switch out of non-branch' '
627 git reset --hard master &&
628 git checkout master^0 &&
629 echo modified >one &&
630 test_must_fail git checkout renamer 2>error.log &&
631 ! grep "^Previous HEAD" error.log
632'
633
634(
635 echo "#!$SHELL_PATH"
636 cat <<\EOF
637O=$1 A=$2 B=$3
638cat "$A" >.tmp
639exec >"$A"
640echo '<<<<<<< filfre-theirs'
641cat "$B"
642echo '||||||| filfre-common'
643cat "$O"
644echo '======='
645cat ".tmp"
646echo '>>>>>>> filfre-ours'
647rm -f .tmp
648exit 1
649EOF
650) >filfre.sh
651chmod +x filfre.sh
652
653test_expect_success 'custom merge driver with checkout -m' '
654 git reset --hard &&
655
656 git config merge.filfre.driver "./filfre.sh %O %A %B" &&
657 git config merge.filfre.name "Feel-free merge driver" &&
658 git config merge.filfre.recursive binary &&
659 echo "arm merge=filfre" >.gitattributes &&
660
661 git checkout -b left &&
662 echo neutral >arm &&
663 git add arm .gitattributes &&
664 test_tick &&
665 git commit -m neutral &&
666 git branch right &&
667
668 echo left >arm &&
669 test_tick &&
670 git commit -a -m left &&
671 git checkout right &&
672
673 echo right >arm &&
674 test_tick &&
675 git commit -a -m right &&
676
677 test_must_fail git merge left &&
678 (
679 for t in filfre-common left right
680 do
681 grep $t arm || exit 1
682 done
683 exit 0
684 ) &&
685
686 mv arm expect &&
687 git checkout -m arm &&
688 test_cmp expect arm
689'
690
691test_done