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trace: add high resolution timer function to debug performance issues
[git/raj.git] / t / t3030-merge-recursive.sh
blob82e18548c39817dec496766d2c8d500668fc4f76
1 #!/bin/sh
2
3 test_description='merge-recursive backend test'
4
5 . ./test-lib.sh
6
7 test_expect_success 'setup 1' '
8
9 echo hello >a &&
10 o0=$(git hash-object a) &&
11 cp a b &&
12 cp a c &&
13 mkdir d &&
14 cp a d/e &&
15
16 test_tick &&
17 git add a b c d/e &&
18 git commit -m initial &&
19 c0=$(git rev-parse --verify HEAD) &&
20 git branch side &&
21 git branch df-1 &&
22 git branch df-2 &&
23 git branch df-3 &&
24 git branch remove &&
25 git branch submod &&
26 git branch copy &&
27 git branch rename &&
28 git branch rename-ln &&
29
30 echo hello >>a &&
31 cp a d/e &&
32 o1=$(git hash-object a) &&
33
34 git add a d/e &&
35
36 test_tick &&
37 git commit -m "master modifies a and d/e" &&
38 c1=$(git rev-parse --verify HEAD) &&
39 ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
40 (
41 echo "100644 blob $o1 a"
42 echo "100644 blob $o0 b"
43 echo "100644 blob $o0 c"
44 echo "100644 blob $o1 d/e"
45 echo "100644 $o1 0 a"
46 echo "100644 $o0 0 b"
47 echo "100644 $o0 0 c"
48 echo "100644 $o1 0 d/e"
49 ) >expected &&
50 test_cmp expected actual
51 '
52
53 test_expect_success 'setup 2' '
54
55 rm -rf [abcd] &&
56 git checkout side &&
57 ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
58 (
59 echo "100644 blob $o0 a"
60 echo "100644 blob $o0 b"
61 echo "100644 blob $o0 c"
62 echo "100644 blob $o0 d/e"
63 echo "100644 $o0 0 a"
64 echo "100644 $o0 0 b"
65 echo "100644 $o0 0 c"
66 echo "100644 $o0 0 d/e"
67 ) >expected &&
68 test_cmp expected actual &&
69
70 echo goodbye >>a &&
71 o2=$(git hash-object a) &&
72
73 git add a &&
74
75 test_tick &&
76 git commit -m "side modifies a" &&
77 c2=$(git rev-parse --verify HEAD) &&
78 ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
79 (
80 echo "100644 blob $o2 a"
81 echo "100644 blob $o0 b"
82 echo "100644 blob $o0 c"
83 echo "100644 blob $o0 d/e"
84 echo "100644 $o2 0 a"
85 echo "100644 $o0 0 b"
86 echo "100644 $o0 0 c"
87 echo "100644 $o0 0 d/e"
88 ) >expected &&
89 test_cmp expected actual
90 '
91
92 test_expect_success 'setup 3' '
93
94 rm -rf [abcd] &&
95 git checkout df-1 &&
96 ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
97 (
98 echo "100644 blob $o0 a"
99 echo "100644 blob $o0 b"
100 echo "100644 blob $o0 c"
101 echo "100644 blob $o0 d/e"
102 echo "100644 $o0 0 a"
103 echo "100644 $o0 0 b"
104 echo "100644 $o0 0 c"
105 echo "100644 $o0 0 d/e"
106 ) >expected &&
107 test_cmp expected actual &&
108
109 rm -f b && mkdir b && echo df-1 >b/c && git add b/c &&
110 o3=$(git hash-object b/c) &&
111
112 test_tick &&
113 git commit -m "df-1 makes b/c" &&
114 c3=$(git rev-parse --verify HEAD) &&
115 ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
116 (
117 echo "100644 blob $o0 a"
118 echo "100644 blob $o3 b/c"
119 echo "100644 blob $o0 c"
120 echo "100644 blob $o0 d/e"
121 echo "100644 $o0 0 a"
122 echo "100644 $o3 0 b/c"
123 echo "100644 $o0 0 c"
124 echo "100644 $o0 0 d/e"
125 ) >expected &&
126 test_cmp expected actual
127 '
128
129 test_expect_success 'setup 4' '
130
131 rm -rf [abcd] &&
132 git checkout df-2 &&
133 ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
134 (
135 echo "100644 blob $o0 a"
136 echo "100644 blob $o0 b"
137 echo "100644 blob $o0 c"
138 echo "100644 blob $o0 d/e"
139 echo "100644 $o0 0 a"
140 echo "100644 $o0 0 b"
141 echo "100644 $o0 0 c"
142 echo "100644 $o0 0 d/e"
143 ) >expected &&
144 test_cmp expected actual &&
145
146 rm -f a && mkdir a && echo df-2 >a/c && git add a/c &&
147 o4=$(git hash-object a/c) &&
148
149 test_tick &&
150 git commit -m "df-2 makes a/c" &&
151 c4=$(git rev-parse --verify HEAD) &&
152 ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
153 (
154 echo "100644 blob $o4 a/c"
155 echo "100644 blob $o0 b"
156 echo "100644 blob $o0 c"
157 echo "100644 blob $o0 d/e"
158 echo "100644 $o4 0 a/c"
159 echo "100644 $o0 0 b"
160 echo "100644 $o0 0 c"
161 echo "100644 $o0 0 d/e"
162 ) >expected &&
163 test_cmp expected actual
164 '
165
166 test_expect_success 'setup 5' '
167
168 rm -rf [abcd] &&
169 git checkout remove &&
170 ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
171 (
172 echo "100644 blob $o0 a"
173 echo "100644 blob $o0 b"
174 echo "100644 blob $o0 c"
175 echo "100644 blob $o0 d/e"
176 echo "100644 $o0 0 a"
177 echo "100644 $o0 0 b"
178 echo "100644 $o0 0 c"
179 echo "100644 $o0 0 d/e"
180 ) >expected &&
181 test_cmp expected actual &&
182
183 rm -f b &&
184 echo remove-conflict >a &&
185
186 git add a &&
187 git rm b &&
188 o5=$(git hash-object a) &&
189
190 test_tick &&
191 git commit -m "remove removes b and modifies a" &&
192 c5=$(git rev-parse --verify HEAD) &&
193 ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
194 (
195 echo "100644 blob $o5 a"
196 echo "100644 blob $o0 c"
197 echo "100644 blob $o0 d/e"
198 echo "100644 $o5 0 a"
199 echo "100644 $o0 0 c"
200 echo "100644 $o0 0 d/e"
201 ) >expected &&
202 test_cmp expected actual
203
204 '
205
206 test_expect_success 'setup 6' '
207
208 rm -rf [abcd] &&
209 git checkout df-3 &&
210 ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
211 (
212 echo "100644 blob $o0 a"
213 echo "100644 blob $o0 b"
214 echo "100644 blob $o0 c"
215 echo "100644 blob $o0 d/e"
216 echo "100644 $o0 0 a"
217 echo "100644 $o0 0 b"
218 echo "100644 $o0 0 c"
219 echo "100644 $o0 0 d/e"
220 ) >expected &&
221 test_cmp expected actual &&
222
223 rm -fr d && echo df-3 >d && git add d &&
224 o6=$(git hash-object d) &&
225
226 test_tick &&
227 git commit -m "df-3 makes d" &&
228 c6=$(git rev-parse --verify HEAD) &&
229 ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
230 (
231 echo "100644 blob $o0 a"
232 echo "100644 blob $o0 b"
233 echo "100644 blob $o0 c"
234 echo "100644 blob $o6 d"
235 echo "100644 $o0 0 a"
236 echo "100644 $o0 0 b"
237 echo "100644 $o0 0 c"
238 echo "100644 $o6 0 d"
239 ) >expected &&
240 test_cmp expected actual
241 '
242
243 test_expect_success 'setup 7' '
244
245 git checkout submod &&
246 git rm d/e &&
247 test_tick &&
248 git commit -m "remove d/e" &&
249 git update-index --add --cacheinfo 160000 $c1 d &&
250 test_tick &&
251 git commit -m "make d/ a submodule"
252 '
253
254 test_expect_success 'setup 8' '
255 git checkout rename &&
256 git mv a e &&
257 git add e &&
258 test_tick &&
259 git commit -m "rename a->e" &&
260 c7=$(git rev-parse --verify HEAD) &&
261 git checkout rename-ln &&
262 git mv a e &&
263 test_ln_s_add e a &&
264 test_tick &&
265 git commit -m "rename a->e, symlink a->e" &&
266 oln=`printf e | git hash-object --stdin`
267 '
268
269 test_expect_success 'setup 9' '
270 git checkout copy &&
271 cp a e &&
272 git add e &&
273 test_tick &&
274 git commit -m "copy a->e"
275 '
276
277 test_expect_success 'merge-recursive simple' '
278
279 rm -fr [abcd] &&
280 git checkout -f "$c2" &&
281
282 test_expect_code 1 git merge-recursive "$c0" -- "$c2" "$c1"
283 '
284
285 test_expect_success 'merge-recursive result' '
286
287 git ls-files -s >actual &&
288 (
289 echo "100644 $o0 1 a"
290 echo "100644 $o2 2 a"
291 echo "100644 $o1 3 a"
292 echo "100644 $o0 0 b"
293 echo "100644 $o0 0 c"
294 echo "100644 $o1 0 d/e"
295 ) >expected &&
296 test_cmp expected actual
297
298 '
299
300 test_expect_success 'fail if the index has unresolved entries' '
301
302 rm -fr [abcd] &&
303 git checkout -f "$c1" &&
304
305 test_must_fail git merge "$c5" &&
306 test_must_fail git merge "$c5" 2> out &&
307 test_i18ngrep "not possible because you have unmerged files" out &&
308 git add -u &&
309 test_must_fail git merge "$c5" 2> out &&
310 test_i18ngrep "You have not concluded your merge" out &&
311 rm -f .git/MERGE_HEAD &&
312 test_must_fail git merge "$c5" 2> out &&
313 test_i18ngrep "Your local changes to the following files would be overwritten by merge:" out
314 '
315
316 test_expect_success 'merge-recursive remove conflict' '
317
318 rm -fr [abcd] &&
319 git checkout -f "$c1" &&
320
321 test_expect_code 1 git merge-recursive "$c0" -- "$c1" "$c5"
322 '
323
324 test_expect_success 'merge-recursive remove conflict' '
325
326 git ls-files -s >actual &&
327 (
328 echo "100644 $o0 1 a"
329 echo "100644 $o1 2 a"
330 echo "100644 $o5 3 a"
331 echo "100644 $o0 0 c"
332 echo "100644 $o1 0 d/e"
333 ) >expected &&
334 test_cmp expected actual
335
336 '
337
338 test_expect_success 'merge-recursive d/f simple' '
339 rm -fr [abcd] &&
340 git reset --hard &&
341 git checkout -f "$c1" &&
342
343 git merge-recursive "$c0" -- "$c1" "$c3"
344 '
345
346 test_expect_success 'merge-recursive result' '
347
348 git ls-files -s >actual &&
349 (
350 echo "100644 $o1 0 a"
351 echo "100644 $o3 0 b/c"
352 echo "100644 $o0 0 c"
353 echo "100644 $o1 0 d/e"
354 ) >expected &&
355 test_cmp expected actual
356
357 '
358
359 test_expect_success 'merge-recursive d/f conflict' '
360
361 rm -fr [abcd] &&
362 git reset --hard &&
363 git checkout -f "$c1" &&
364
365 test_expect_code 1 git merge-recursive "$c0" -- "$c1" "$c4"
366 '
367
368 test_expect_success 'merge-recursive d/f conflict result' '
369
370 git ls-files -s >actual &&
371 (
372 echo "100644 $o0 1 a"
373 echo "100644 $o1 2 a"
374 echo "100644 $o4 0 a/c"
375 echo "100644 $o0 0 b"
376 echo "100644 $o0 0 c"
377 echo "100644 $o1 0 d/e"
378 ) >expected &&
379 test_cmp expected actual
380
381 '
382
383 test_expect_success 'merge-recursive d/f conflict the other way' '
384
385 rm -fr [abcd] &&
386 git reset --hard &&
387 git checkout -f "$c4" &&
388
389 test_expect_code 1 git merge-recursive "$c0" -- "$c4" "$c1"
390 '
391
392 test_expect_success 'merge-recursive d/f conflict result the other way' '
393
394 git ls-files -s >actual &&
395 (
396 echo "100644 $o0 1 a"
397 echo "100644 $o1 3 a"
398 echo "100644 $o4 0 a/c"
399 echo "100644 $o0 0 b"
400 echo "100644 $o0 0 c"
401 echo "100644 $o1 0 d/e"
402 ) >expected &&
403 test_cmp expected actual
404
405 '
406
407 test_expect_success 'merge-recursive d/f conflict' '
408
409 rm -fr [abcd] &&
410 git reset --hard &&
411 git checkout -f "$c1" &&
412
413 test_expect_code 1 git merge-recursive "$c0" -- "$c1" "$c6"
414 '
415
416 test_expect_success 'merge-recursive d/f conflict result' '
417
418 git ls-files -s >actual &&
419 (
420 echo "100644 $o1 0 a"
421 echo "100644 $o0 0 b"
422 echo "100644 $o0 0 c"
423 echo "100644 $o6 3 d"
424 echo "100644 $o0 1 d/e"
425 echo "100644 $o1 2 d/e"
426 ) >expected &&
427 test_cmp expected actual
428
429 '
430
431 test_expect_success 'merge-recursive d/f conflict' '
432
433 rm -fr [abcd] &&
434 git reset --hard &&
435 git checkout -f "$c6" &&
436
437 test_expect_code 1 git merge-recursive "$c0" -- "$c6" "$c1"
438 '
439
440 test_expect_success 'merge-recursive d/f conflict result' '
441
442 git ls-files -s >actual &&
443 (
444 echo "100644 $o1 0 a"
445 echo "100644 $o0 0 b"
446 echo "100644 $o0 0 c"
447 echo "100644 $o6 2 d"
448 echo "100644 $o0 1 d/e"
449 echo "100644 $o1 3 d/e"
450 ) >expected &&
451 test_cmp expected actual
452
453 '
454
455 test_expect_success 'reset and 3-way merge' '
456
457 git reset --hard "$c2" &&
458 git read-tree -m "$c0" "$c2" "$c1"
459
460 '
461
462 test_expect_success 'reset and bind merge' '
463
464 git reset --hard master &&
465 git read-tree --prefix=M/ master &&
466 git ls-files -s >actual &&
467 (
468 echo "100644 $o1 0 M/a"
469 echo "100644 $o0 0 M/b"
470 echo "100644 $o0 0 M/c"
471 echo "100644 $o1 0 M/d/e"
472 echo "100644 $o1 0 a"
473 echo "100644 $o0 0 b"
474 echo "100644 $o0 0 c"
475 echo "100644 $o1 0 d/e"
476 ) >expected &&
477 test_cmp expected actual &&
478
479 git read-tree --prefix=a1/ master &&
480 git ls-files -s >actual &&
481 (
482 echo "100644 $o1 0 M/a"
483 echo "100644 $o0 0 M/b"
484 echo "100644 $o0 0 M/c"
485 echo "100644 $o1 0 M/d/e"
486 echo "100644 $o1 0 a"
487 echo "100644 $o1 0 a1/a"
488 echo "100644 $o0 0 a1/b"
489 echo "100644 $o0 0 a1/c"
490 echo "100644 $o1 0 a1/d/e"
491 echo "100644 $o0 0 b"
492 echo "100644 $o0 0 c"
493 echo "100644 $o1 0 d/e"
494 ) >expected &&
495 test_cmp expected actual &&
496
497 git read-tree --prefix=z/ master &&
498 git ls-files -s >actual &&
499 (
500 echo "100644 $o1 0 M/a"
501 echo "100644 $o0 0 M/b"
502 echo "100644 $o0 0 M/c"
503 echo "100644 $o1 0 M/d/e"
504 echo "100644 $o1 0 a"
505 echo "100644 $o1 0 a1/a"
506 echo "100644 $o0 0 a1/b"
507 echo "100644 $o0 0 a1/c"
508 echo "100644 $o1 0 a1/d/e"
509 echo "100644 $o0 0 b"
510 echo "100644 $o0 0 c"
511 echo "100644 $o1 0 d/e"
512 echo "100644 $o1 0 z/a"
513 echo "100644 $o0 0 z/b"
514 echo "100644 $o0 0 z/c"
515 echo "100644 $o1 0 z/d/e"
516 ) >expected &&
517 test_cmp expected actual
518
519 '
520
521 test_expect_success 'merge-recursive w/ empty work tree - ours has rename' '
522 (
523 GIT_WORK_TREE="$PWD/ours-has-rename-work" &&
524 export GIT_WORK_TREE &&
525 GIT_INDEX_FILE="$PWD/ours-has-rename-index" &&
526 export GIT_INDEX_FILE &&
527 mkdir "$GIT_WORK_TREE" &&
528 git read-tree -i -m $c7 &&
529 git update-index --ignore-missing --refresh &&
530 git merge-recursive $c0 -- $c7 $c3 &&
531 git ls-files -s >actual-files
532 ) 2>actual-err &&
533 >expected-err &&
534 cat >expected-files <<-EOF &&
535 100644 $o3 0 b/c
536 100644 $o0 0 c
537 100644 $o0 0 d/e
538 100644 $o0 0 e
539 EOF
540 test_cmp expected-files actual-files &&
541 test_cmp expected-err actual-err
542 '
543
544 test_expect_success 'merge-recursive w/ empty work tree - theirs has rename' '
545 (
546 GIT_WORK_TREE="$PWD/theirs-has-rename-work" &&
547 export GIT_WORK_TREE &&
548 GIT_INDEX_FILE="$PWD/theirs-has-rename-index" &&
549 export GIT_INDEX_FILE &&
550 mkdir "$GIT_WORK_TREE" &&
551 git read-tree -i -m $c3 &&
552 git update-index --ignore-missing --refresh &&
553 git merge-recursive $c0 -- $c3 $c7 &&
554 git ls-files -s >actual-files
555 ) 2>actual-err &&
556 >expected-err &&
557 cat >expected-files <<-EOF &&
558 100644 $o3 0 b/c
559 100644 $o0 0 c
560 100644 $o0 0 d/e
561 100644 $o0 0 e
562 EOF
563 test_cmp expected-files actual-files &&
564 test_cmp expected-err actual-err
565 '
566
567 test_expect_success 'merge removes empty directories' '
568
569 git reset --hard master &&
570 git checkout -b rm &&
571 git rm d/e &&
572 git commit -mremoved-d/e &&
573 git checkout master &&
574 git merge -s recursive rm &&
575 test_must_fail test -d d
576 '
577
578 test_expect_failure 'merge-recursive simple w/submodule' '
579
580 git checkout submod &&
581 git merge remove
582 '
583
584 test_expect_failure 'merge-recursive simple w/submodule result' '
585
586 git ls-files -s >actual &&
587 (
588 echo "100644 $o5 0 a"
589 echo "100644 $o0 0 c"
590 echo "160000 $c1 0 d"
591 ) >expected &&
592 test_cmp expected actual
593 '
594
595 test_expect_success 'merge-recursive copy vs. rename' '
596 git checkout -f copy &&
597 git merge rename &&
598 ( git ls-tree -r HEAD && git ls-files -s ) >actual &&
599 (
600 echo "100644 blob $o0 b"
601 echo "100644 blob $o0 c"
602 echo "100644 blob $o0 d/e"
603 echo "100644 blob $o0 e"
604 echo "100644 $o0 0 b"
605 echo "100644 $o0 0 c"
606 echo "100644 $o0 0 d/e"
607 echo "100644 $o0 0 e"
608 ) >expected &&
609 test_cmp expected actual
610 '
611
612 test_expect_failure 'merge-recursive rename vs. rename/symlink' '
613
614 git checkout -f rename &&
615 git merge rename-ln &&
616 ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
617 (
618 echo "120000 blob $oln a"
619 echo "100644 blob $o0 b"
620 echo "100644 blob $o0 c"
621 echo "100644 blob $o0 d/e"
622 echo "100644 blob $o0 e"
623 echo "120000 $oln 0 a"
624 echo "100644 $o0 0 b"
625 echo "100644 $o0 0 c"
626 echo "100644 $o0 0 d/e"
627 echo "100644 $o0 0 e"
628 ) >expected &&
629 test_cmp expected actual
630 '
631
632
633 test_done
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