3 test_description='merge-recursive backend test'
7 test_expect_success 'setup 1' '
10 o0=$(git hash-object a) &&
18 git commit -m initial &&
19 c0=$(git rev-parse --verify HEAD) &&
28 git branch rename-ln &&
32 o1=$(git hash-object a) &&
37 git commit -m "master modifies a and d/e" &&
38 c1=$(git rev-parse --verify HEAD) &&
39 ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
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"
48 echo "100644 $o1 0 d/e"
50 test_cmp expected actual
53 test_expect_success 'setup 2' '
57 ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
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"
66 echo "100644 $o0 0 d/e"
68 test_cmp expected actual &&
71 o2=$(git hash-object a) &&
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 &&
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"
87 echo "100644 $o0 0 d/e"
89 test_cmp expected actual
92 test_expect_success 'setup 3' '
96 ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
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 $o0 0 d/e"
107 test_cmp expected actual &&
109 rm -f b && mkdir b && echo df-1 >b/c && git add b/c &&
110 o3=$(git hash-object b/c) &&
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 &&
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"
126 test_cmp expected actual
129 test_expect_success 'setup 4' '
133 ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
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 $o0 0 d/e"
144 test_cmp expected actual &&
146 rm -f a && mkdir a && echo df-2 >a/c && git add a/c &&
147 o4=$(git hash-object a/c) &&
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 &&
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"
163 test_cmp expected actual
166 test_expect_success 'setup 5' '
169 git checkout remove &&
170 ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
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 $o0 0 d/e"
181 test_cmp expected actual &&
184 echo remove-conflict >a &&
188 o5=$(git hash-object a) &&
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 &&
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"
202 test_cmp expected actual
206 test_expect_success 'setup 6' '
210 ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
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 $o0 0 d/e"
221 test_cmp expected actual &&
223 rm -fr d && echo df-3 >d && git add d &&
224 o6=$(git hash-object d) &&
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 &&
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"
240 test_cmp expected actual
243 test_expect_success 'setup 7' '
245 git checkout submod &&
248 git commit -m "remove d/e" &&
249 git update-index --add --cacheinfo 160000 $c1 d &&
251 git commit -m "make d/ a submodule"
254 test_expect_success 'setup 8' '
255 git checkout rename &&
259 git commit -m "rename a->e" &&
260 c7=$(git rev-parse --verify HEAD) &&
261 git checkout rename-ln &&
265 git commit -m "rename a->e, symlink a->e" &&
266 oln=$(printf e | git hash-object --stdin)
269 test_expect_success 'setup 9' '
274 git commit -m "copy a->e"
277 test_expect_success 'merge-recursive simple' '
280 git checkout -f "$c2" &&
282 test_expect_code 1 git merge-recursive "$c0" -- "$c2" "$c1"
285 test_expect_success 'merge-recursive result' '
287 git ls-files -s >actual &&
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 $o1 0 d/e"
296 test_cmp expected actual
300 test_expect_success 'fail if the index has unresolved entries' '
303 git checkout -f "$c1" &&
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 &&
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
316 test_expect_success 'merge-recursive remove conflict' '
319 git checkout -f "$c1" &&
321 test_expect_code 1 git merge-recursive "$c0" -- "$c1" "$c5"
324 test_expect_success 'merge-recursive remove conflict' '
326 git ls-files -s >actual &&
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 $o1 0 d/e"
334 test_cmp expected actual
338 test_expect_success 'merge-recursive d/f simple' '
341 git checkout -f "$c1" &&
343 git merge-recursive "$c0" -- "$c1" "$c3"
346 test_expect_success 'merge-recursive result' '
348 git ls-files -s >actual &&
350 echo "100644 $o1 0 a"
351 echo "100644 $o3 0 b/c"
352 echo "100644 $o0 0 c"
353 echo "100644 $o1 0 d/e"
355 test_cmp expected actual
359 test_expect_success 'merge-recursive d/f conflict' '
363 git checkout -f "$c1" &&
365 test_expect_code 1 git merge-recursive "$c0" -- "$c1" "$c4"
368 test_expect_success 'merge-recursive d/f conflict result' '
370 git ls-files -s >actual &&
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 $o1 0 d/e"
379 test_cmp expected actual
383 test_expect_success 'merge-recursive d/f conflict the other way' '
387 git checkout -f "$c4" &&
389 test_expect_code 1 git merge-recursive "$c0" -- "$c4" "$c1"
392 test_expect_success 'merge-recursive d/f conflict result the other way' '
394 git ls-files -s >actual &&
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 $o1 0 d/e"
403 test_cmp expected actual
407 test_expect_success 'merge-recursive d/f conflict' '
411 git checkout -f "$c1" &&
413 test_expect_code 1 git merge-recursive "$c0" -- "$c1" "$c6"
416 test_expect_success 'merge-recursive d/f conflict result' '
418 git ls-files -s >actual &&
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 $o1 2 d/e"
427 test_cmp expected actual
431 test_expect_success 'merge-recursive d/f conflict' '
435 git checkout -f "$c6" &&
437 test_expect_code 1 git merge-recursive "$c0" -- "$c6" "$c1"
440 test_expect_success 'merge-recursive d/f conflict result' '
442 git ls-files -s >actual &&
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 $o1 3 d/e"
451 test_cmp expected actual
455 test_expect_success 'reset and 3-way merge' '
457 git reset --hard "$c2" &&
458 git read-tree -m "$c0" "$c2" "$c1"
462 test_expect_success 'reset and bind merge' '
464 git reset --hard master &&
465 git read-tree --prefix=M/ master &&
466 git ls-files -s >actual &&
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"
477 test_cmp expected actual &&
479 git read-tree --prefix=a1/ master &&
480 git ls-files -s >actual &&
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"
495 test_cmp expected actual &&
497 git read-tree --prefix=z/ master &&
498 git ls-files -s >actual &&
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 $o1 0 z/d/e"
517 test_cmp expected actual
521 test_expect_success 'merge-recursive w/ empty work tree - ours has rename' '
523 GIT_WORK_TREE="$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 $c3 &&
531 git ls-files -s >actual-files
534 cat >expected-files <<-EOF &&
540 test_cmp expected-files actual-files &&
541 test_cmp expected-err actual-err
544 test_expect_success 'merge-recursive w/ empty work tree - theirs has rename' '
546 GIT_WORK_TREE="$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
557 cat >expected-files <<-EOF &&
563 test_cmp expected-files actual-files &&
564 test_cmp expected-err actual-err
567 test_expect_success 'merge removes empty directories' '
569 git reset --hard master &&
570 git checkout -b rm &&
572 git commit -mremoved-d/e &&
573 git checkout master &&
574 git merge -s recursive rm &&
575 test_must_fail test -d d
578 test_expect_success 'merge-recursive simple w/submodule' '
580 git checkout submod &&
584 test_expect_success 'merge-recursive simple w/submodule result' '
586 git ls-files -s >actual &&
588 echo "100644 $o5 0 a"
589 echo "100644 $o0 0 c"
590 echo "160000 $c1 0 d"
592 test_cmp expected actual
595 test_expect_success 'merge-recursive copy vs. rename' '
596 git checkout -f copy &&
598 ( git ls-tree -r HEAD && git ls-files -s ) >actual &&
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"
609 test_cmp expected actual
612 test_expect_failure 'merge-recursive rename vs. rename/symlink' '
614 git checkout -f rename &&
615 git merge rename-ln &&
616 ( git ls-tree -r HEAD ; git ls-files -s ) >actual &&
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"
629 test_cmp expected actual
632 test_expect_success 'merging with triple rename across D/F conflict' '
633 git reset --hard HEAD &&
634 git checkout -b main &&
637 echo "just a file" >sub1 &&
639 echo content1 >sub2/file1 &&
640 echo content2 >sub2/file2 &&
641 echo content3 >sub2/file3 &&
643 echo base >simple/bar &&
646 git commit -m base &&
648 git checkout -b other &&
649 echo more >>simple/bar &&
651 git commit -a -m changesimplefile &&
657 git commit -m changefiletodir &&
663 test_expect_success 'merge-recursive remembers the names of all base trees' '
664 git reset --hard HEAD &&
666 # more trees than static slots used by oid_to_hex()
667 for commit in $c0 $c2 $c4 $c5 $c6 $c7
669 git rev-parse "$commit^{tree}"
672 # ignore the return code -- it only fails because the input is weird
673 test_must_fail git -c merge.verbosity=5 merge-recursive $(cat trees) -- $c1 $c3 >out &&
675 # merge-recursive prints in reverse order, but we do not care
676 sort <trees >expect &&
677 sed -n "s/^virtual //p" out | sort >actual &&
678 test_cmp expect actual