3 test_description='Merge-recursive merging renames'
7 sed -e "$1" <"$2" >"$2.x" &&
11 test_expect_success setup \
14 a aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
15 b bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
16 c cccccccccccccccccccccccccccccccccccccccccccccccc
17 d dddddddddddddddddddddddddddddddddddddddddddddddd
18 e eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
19 f ffffffffffffffffffffffffffffffffffffffffffffffff
20 g gggggggggggggggggggggggggggggggggggggggggggggggg
21 h hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
22 i iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii
23 j jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj
24 k kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
25 l llllllllllllllllllllllllllllllllllllllllllllllll
26 m mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
27 n nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn
28 o oooooooooooooooooooooooooooooooooooooooooooooooo
32 A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
33 B BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
34 C CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
35 D DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
36 E EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
37 F FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF
38 G GGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG
39 H HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH
40 I IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
41 J JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJ
42 K KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK
43 L LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL
44 M MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
45 N NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
46 O OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO
50 git commit -m "initial has A and M" &&
56 git branch change+rename &&
58 sed -e "/^g /s/.*/g : master changes a line/" <A >A+ &&
60 git commit -a -m "master updates A" &&
62 git checkout yellow &&
64 git commit -a -m "yellow removes M" &&
67 sed -e "/^g /s/.*/g : white changes a line/" <A >B &&
68 sed -e "/^G /s/.*/G : colored branch changes a line/" <M >N &&
70 git update-index --add --remove A B M N &&
71 git commit -m "white renames A->B, M->N" &&
74 sed -e "/^g /s/.*/g : red changes a line/" <A >B &&
75 sed -e "/^G /s/.*/G : colored branch changes a line/" <M >N &&
77 git update-index --add --remove A B M N &&
78 git commit -m "red renames A->B, M->N" &&
81 sed -e "/^g /s/.*/g : blue changes a line/" <A >C &&
82 sed -e "/^G /s/.*/G : colored branch changes a line/" <M >N &&
84 git update-index --add --remove A C M N &&
85 git commit -m "blue renames A->C, M->N" &&
87 git checkout change &&
88 sed -e "/^g /s/.*/g : changed line/" <A >A+ &&
90 git commit -q -a -m "changed" &&
92 git checkout change+rename &&
93 sed -e "/^g /s/.*/g : changed line/" <A >B &&
95 git update-index --add B &&
96 git commit -q -a -m "changed and renamed" &&
100 test_expect_success 'pull renaming branch into unrenaming one' \
103 test_expect_code 1 git pull . white &&
105 git ls-files -u B >b.stages &&
106 test_line_count = 3 b.stages &&
107 git ls-files -s N >n.stages &&
108 test_line_count = 1 n.stages &&
112 }" B | grep master &&
113 git diff --exit-code white N
116 test_expect_success 'pull renaming branch into another renaming one' \
121 test_expect_code 1 git pull . white &&
122 git ls-files -u B >b.stages &&
123 test_line_count = 3 b.stages &&
124 git ls-files -s N >n.stages &&
125 test_line_count = 1 n.stages &&
130 git diff --exit-code white N
133 test_expect_success 'pull unrenaming branch into renaming one' \
137 test_expect_code 1 git pull . master &&
138 git ls-files -u B >b.stages &&
139 test_line_count = 3 b.stages &&
140 git ls-files -s N >n.stages &&
141 test_line_count = 1 n.stages &&
146 git diff --exit-code white N
149 test_expect_success 'pull conflicting renames' \
153 test_expect_code 1 git pull . blue &&
154 git ls-files -u A >a.stages &&
155 test_line_count = 1 a.stages &&
156 git ls-files -u B >b.stages &&
157 test_line_count = 1 b.stages &&
158 git ls-files -u C >c.stages &&
159 test_line_count = 1 c.stages &&
160 git ls-files -s N >n.stages &&
161 test_line_count = 1 n.stages &&
166 git diff --exit-code white N
169 test_expect_success 'interference with untracked working tree file' '
172 echo >A this file should not matter &&
173 test_expect_code 1 git pull . white &&
177 test_expect_success 'interference with untracked working tree file' '
179 git checkout white &&
182 echo >A this file should not matter &&
183 test_expect_code 1 git pull . red &&
187 test_expect_success 'interference with untracked working tree file' '
190 git checkout -f master &&
194 test_path_is_missing M &&
195 git reset --hard anchor
198 test_expect_success 'updated working tree file should prevent the merge' '
201 git checkout -f master &&
204 echo >>M one line addition &&
206 test_expect_code 128 git pull . yellow &&
207 test_cmp M M.saved &&
211 test_expect_success 'updated working tree file should prevent the merge' '
214 git checkout -f master &&
217 echo >>M one line addition &&
219 git update-index M &&
220 test_expect_code 128 git pull . yellow &&
221 test_cmp M M.saved &&
225 test_expect_success 'interference with untracked working tree file' '
228 git checkout -f yellow &&
231 echo >M this file should not matter &&
233 test_path_is_file M &&
238 git reset --hard anchor
241 test_expect_success 'merge of identical changes in a renamed file' '
244 git checkout change+rename &&
245 GIT_MERGE_VERBOSITY=3 git merge change >out &&
246 test_i18ngrep "^Skipped B" out &&
247 git reset --hard HEAD^ &&
248 git checkout change &&
249 GIT_MERGE_VERBOSITY=3 git merge change+rename >out &&
250 test_i18ngrep ! "^Skipped B" out
253 test_expect_success 'setup for rename + d/f conflicts' '
255 git checkout --orphan dir-in-way &&
261 printf "1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n" >sub/file &&
262 echo foo >dir/file-in-the-way &&
264 git commit -m "Common commit" &&
266 echo 11 >>sub/file &&
267 echo more >>dir/file-in-the-way &&
269 git commit -m "Commit to merge, with dir in the way" &&
271 git checkout -b dir-not-in-way &&
272 git reset --soft HEAD^ &&
274 git commit -m "Commit to merge, with dir removed" -- dir sub/file &&
276 git checkout -b renamed-file-has-no-conflicts dir-in-way~1 &&
279 printf "1\n2\n3\n4\n5555\n6\n7\n8\n9\n10\n" >dir &&
281 git commit -m "Independent change" &&
283 git checkout -b renamed-file-has-conflicts dir-in-way~1 &&
285 git mv sub/file dir &&
288 git commit -m "Conflicting change"
291 printf "1\n2\n3\n4\n5555\n6\n7\n8\n9\n10\n11\n" >expected
293 test_expect_success 'Rename+D/F conflict; renamed file merges + dir not in way' '
295 git checkout -q renamed-file-has-no-conflicts^0 &&
296 git merge --strategy=recursive dir-not-in-way &&
299 test_cmp expected dir
302 test_expect_success 'Rename+D/F conflict; renamed file merges but dir in way' '
305 git checkout -q renamed-file-has-no-conflicts^0 &&
306 test_must_fail git merge --strategy=recursive dir-in-way >output &&
308 test_i18ngrep "CONFLICT (modify/delete): dir/file-in-the-way" output &&
309 test_i18ngrep "Auto-merging dir" output &&
310 test_i18ngrep "Adding as dir~HEAD instead" output &&
312 test 3 -eq "$(git ls-files -u | wc -l)" &&
313 test 2 -eq "$(git ls-files -u dir/file-in-the-way | wc -l)" &&
315 test_must_fail git diff --quiet &&
316 test_must_fail git diff --cached --quiet &&
318 test -f dir/file-in-the-way &&
320 test_cmp expected dir~HEAD
323 test_expect_success 'Same as previous, but merged other way' '
326 git checkout -q dir-in-way^0 &&
327 test_must_fail git merge --strategy=recursive renamed-file-has-no-conflicts >output 2>errors &&
329 ! grep "error: refusing to lose untracked file at" errors &&
330 test_i18ngrep "CONFLICT (modify/delete): dir/file-in-the-way" output &&
331 test_i18ngrep "Auto-merging dir" output &&
332 test_i18ngrep "Adding as dir~renamed-file-has-no-conflicts instead" output &&
334 test 3 -eq "$(git ls-files -u | wc -l)" &&
335 test 2 -eq "$(git ls-files -u dir/file-in-the-way | wc -l)" &&
337 test_must_fail git diff --quiet &&
338 test_must_fail git diff --cached --quiet &&
340 test -f dir/file-in-the-way &&
341 test -f dir~renamed-file-has-no-conflicts &&
342 test_cmp expected dir~renamed-file-has-no-conflicts
345 cat >expected <<\EOF &&
360 >>>>>>> dir-not-in-way:sub/file
363 test_expect_success 'Rename+D/F conflict; renamed file cannot merge, dir not in way' '
366 git checkout -q renamed-file-has-conflicts^0 &&
367 test_must_fail git merge --strategy=recursive dir-not-in-way &&
369 test 3 -eq "$(git ls-files -u | wc -l)" &&
370 test 3 -eq "$(git ls-files -u dir | wc -l)" &&
372 test_must_fail git diff --quiet &&
373 test_must_fail git diff --cached --quiet &&
376 test_cmp expected dir
379 test_expect_success 'Rename+D/F conflict; renamed file cannot merge and dir in the way' '
380 modify s/dir-not-in-way/dir-in-way/ expected &&
384 git checkout -q renamed-file-has-conflicts^0 &&
385 test_must_fail git merge --strategy=recursive dir-in-way &&
387 test 5 -eq "$(git ls-files -u | wc -l)" &&
388 test 3 -eq "$(git ls-files -u dir | grep -v file-in-the-way | wc -l)" &&
389 test 2 -eq "$(git ls-files -u dir/file-in-the-way | wc -l)" &&
391 test_must_fail git diff --quiet &&
392 test_must_fail git diff --cached --quiet &&
394 test -f dir/file-in-the-way &&
396 test_cmp expected dir~HEAD
399 cat >expected <<\EOF &&
410 <<<<<<< HEAD:sub/file
414 >>>>>>> renamed-file-has-conflicts:dir
417 test_expect_success 'Same as previous, but merged other way' '
420 git checkout -q dir-in-way^0 &&
421 test_must_fail git merge --strategy=recursive renamed-file-has-conflicts &&
423 test 5 -eq "$(git ls-files -u | wc -l)" &&
424 test 3 -eq "$(git ls-files -u dir | grep -v file-in-the-way | wc -l)" &&
425 test 2 -eq "$(git ls-files -u dir/file-in-the-way | wc -l)" &&
427 test_must_fail git diff --quiet &&
428 test_must_fail git diff --cached --quiet &&
430 test -f dir/file-in-the-way &&
431 test -f dir~renamed-file-has-conflicts &&
432 test_cmp expected dir~renamed-file-has-conflicts
435 test_expect_success 'setup both rename source and destination involved in D/F conflict' '
437 git checkout --orphan rename-dest &&
442 echo stuff >one/file &&
444 git commit -m "Common commit" &&
446 git mv one/file destdir &&
447 git commit -m "Renamed to destdir" &&
449 git checkout -b source-conflict HEAD~1 &&
452 touch one destdir/foo &&
454 git commit -m "Conflicts in the way"
457 test_expect_success 'both rename source and destination involved in D/F conflict' '
460 git checkout -q rename-dest^0 &&
461 test_must_fail git merge --strategy=recursive source-conflict &&
463 test 1 -eq "$(git ls-files -u | wc -l)" &&
465 test_must_fail git diff --quiet &&
467 test -f destdir/foo &&
469 test -f destdir~HEAD &&
470 test "stuff" = "$(cat destdir~HEAD)"
473 test_expect_success 'setup pair rename to parent of other (D/F conflicts)' '
475 git checkout --orphan rename-two &&
481 echo stuff >one/file &&
482 echo other >two/file &&
484 git commit -m "Common commit" &&
487 git mv two/file one &&
488 git commit -m "Rename two/file -> one" &&
490 git checkout -b rename-one HEAD~1 &&
492 git mv one/file two &&
494 git commit -m "Rename one/file -> two"
497 test_expect_success 'pair rename to parent of other (D/F conflicts) w/ untracked dir' '
498 git checkout -q rename-one^0 &&
500 test_must_fail git merge --strategy=recursive rename-two &&
502 test 2 -eq "$(git ls-files -u | wc -l)" &&
503 test 1 -eq "$(git ls-files -u one | wc -l)" &&
504 test 1 -eq "$(git ls-files -u two | wc -l)" &&
506 test_must_fail git diff --quiet &&
508 test 4 -eq $(find . | grep -v .git | wc -l) &&
511 test -f one~rename-two &&
513 test "other" = $(cat one~rename-two) &&
514 test "stuff" = $(cat two)
517 test_expect_success 'pair rename to parent of other (D/F conflicts) w/ clean start' '
520 test_must_fail git merge --strategy=recursive rename-two &&
522 test 2 -eq "$(git ls-files -u | wc -l)" &&
523 test 1 -eq "$(git ls-files -u one | wc -l)" &&
524 test 1 -eq "$(git ls-files -u two | wc -l)" &&
526 test_must_fail git diff --quiet &&
528 test 3 -eq $(find . | grep -v .git | wc -l) &&
532 test "other" = $(cat one) &&
533 test "stuff" = $(cat two)
536 test_expect_success 'setup rename of one file to two, with directories in the way' '
538 git checkout --orphan first-rename &&
542 echo stuff >original &&
544 git commit -m "Common commit" &&
549 git mv original one &&
550 git commit -m "Put two/file in the way, rename to one" &&
552 git checkout -b second-rename HEAD~1 &&
556 git mv original two &&
557 git commit -m "Put one/file in the way, rename to two"
560 test_expect_success 'check handling of differently renamed file with D/F conflicts' '
561 git checkout -q first-rename^0 &&
562 test_must_fail git merge --strategy=recursive second-rename &&
564 test 5 -eq "$(git ls-files -s | wc -l)" &&
565 test 3 -eq "$(git ls-files -u | wc -l)" &&
566 test 1 -eq "$(git ls-files -u one | wc -l)" &&
567 test 1 -eq "$(git ls-files -u two | wc -l)" &&
568 test 1 -eq "$(git ls-files -u original | wc -l)" &&
569 test 2 -eq "$(git ls-files -o | wc -l)" &&
574 test -f two~second-rename &&
578 test_expect_success 'setup rename one file to two; directories moving out of the way' '
580 git checkout --orphan first-rename-redo &&
584 echo stuff >original &&
586 touch one/file two/file &&
588 git commit -m "Common commit" &&
591 git mv original one &&
592 git commit -m "Rename to one" &&
594 git checkout -b second-rename-redo HEAD~1 &&
596 git mv original two &&
597 git commit -m "Rename to two"
600 test_expect_success 'check handling of differently renamed file with D/F conflicts' '
601 git checkout -q first-rename-redo^0 &&
602 test_must_fail git merge --strategy=recursive second-rename-redo &&
604 test 3 -eq "$(git ls-files -u | wc -l)" &&
605 test 1 -eq "$(git ls-files -u one | wc -l)" &&
606 test 1 -eq "$(git ls-files -u two | wc -l)" &&
607 test 1 -eq "$(git ls-files -u original | wc -l)" &&
608 test 0 -eq "$(git ls-files -o | wc -l)" &&
615 test_expect_success 'setup avoid unnecessary update, normal rename' '
617 git checkout --orphan avoid-unnecessary-update-1 &&
621 printf "1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n" >original &&
623 git commit -m "Common commit" &&
625 git mv original rename &&
628 git commit -m "Renamed and modified" &&
630 git checkout -b merge-branch-1 HEAD~1 &&
631 echo "random content" >random-file &&
633 git commit -m "Random, unrelated changes"
636 test_expect_success 'avoid unnecessary update, normal rename' '
637 git checkout -q avoid-unnecessary-update-1^0 &&
638 test-tool chmtime --get =1000000000 rename >expect &&
639 git merge merge-branch-1 &&
640 test-tool chmtime --get rename >actual &&
641 test_cmp expect actual # "rename" should have stayed intact
644 test_expect_success 'setup to test avoiding unnecessary update, with D/F conflict' '
646 git checkout --orphan avoid-unnecessary-update-2 &&
651 printf "1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n" >df/file &&
653 git commit -m "Common commit" &&
655 git mv df/file temp &&
660 git commit -m "Renamed and modified" &&
662 git checkout -b merge-branch-2 HEAD~1 &&
664 git add unrelated-change &&
665 git commit -m "Only unrelated changes"
668 test_expect_success 'avoid unnecessary update, with D/F conflict' '
669 git checkout -q avoid-unnecessary-update-2^0 &&
670 test-tool chmtime --get =1000000000 df >expect &&
671 git merge merge-branch-2 &&
672 test-tool chmtime --get df >actual &&
673 test_cmp expect actual # "df" should have stayed intact
676 test_expect_success 'setup avoid unnecessary update, dir->(file,nothing)' '
688 git checkout -b side &&
692 git checkout master &&
696 git commit -m "Add a newfile"
699 test_expect_success 'avoid unnecessary update, dir->(file,nothing)' '
700 git checkout -q master^0 &&
701 test-tool chmtime --get =1000000000 df >expect &&
703 test-tool chmtime --get df >actual &&
704 test_cmp expect actual # "df" should have stayed intact
707 test_expect_success 'setup avoid unnecessary update, modify/delete' '
718 git checkout -b side &&
720 git commit -m "Delete file" &&
722 git checkout master &&
725 git commit -m "Modify file"
728 test_expect_success 'avoid unnecessary update, modify/delete' '
729 git checkout -q master^0 &&
730 test-tool chmtime --get =1000000000 file >expect &&
731 test_must_fail git merge side &&
732 test-tool chmtime --get file >actual &&
733 test_cmp expect actual # "file" should have stayed intact
736 test_expect_success 'setup avoid unnecessary update, rename/add-dest' '
742 printf "1\n2\n3\n4\n5\n6\n7\n8\n" >file &&
746 git checkout -b side &&
749 git commit -m "Add file copy" &&
751 git checkout master &&
752 git mv file newfile &&
753 git commit -m "Rename file"
756 test_expect_success 'avoid unnecessary update, rename/add-dest' '
757 git checkout -q master^0 &&
758 test-tool chmtime --get =1000000000 newfile >expect &&
760 test-tool chmtime --get newfile >actual &&
761 test_cmp expect actual # "file" should have stayed intact
764 test_expect_success 'setup merge of rename + small change' '
766 git checkout --orphan rename-plus-small-change &&
770 echo ORIGINAL >file &&
774 git commit -m Initial &&
775 git checkout -b rename_branch &&
776 git mv file renamed_file &&
777 git commit -m Rename &&
778 git checkout rename-plus-small-change &&
779 echo NEW-VERSION >file &&
780 git commit -a -m Reformat
783 test_expect_success 'merge rename + small change' '
784 git merge rename_branch &&
786 test 1 -eq $(git ls-files -s | wc -l) &&
787 test 0 -eq $(git ls-files -o | wc -l) &&
788 test $(git rev-parse HEAD:renamed_file) = $(git rev-parse HEAD~1:file)
791 test_expect_success 'setup for use of extended merge markers' '
797 printf "1\n2\n3\n4\n5\n6\n7\n8\n" >original_file &&
798 git add original_file &&
801 git checkout -b rename &&
802 echo 9 >>original_file &&
803 git add original_file &&
804 git mv original_file renamed_file &&
807 git checkout master &&
808 echo 8.5 >>original_file &&
809 git add original_file &&
813 cat >expected <<\EOF &&
822 <<<<<<< HEAD:renamed_file
826 >>>>>>> master^0:original_file
829 test_expect_success 'merge master into rename has correct extended markers' '
830 git checkout rename^0 &&
831 test_must_fail git merge -s recursive master^0 &&
832 test_cmp expected renamed_file
835 cat >expected <<\EOF &&
844 <<<<<<< HEAD:original_file
848 >>>>>>> rename^0:renamed_file
851 test_expect_success 'merge rename into master has correct extended markers' '
853 git checkout master^0 &&
854 test_must_fail git merge -s recursive rename^0 &&
855 test_cmp expected renamed_file
858 test_expect_success 'setup spurious "refusing to lose untracked" message' '
865 printf "1\n2\n3\n4\n5\n6\n7\n8\n" >original_file &&
866 git add irrelevant_file original_file &&
869 git checkout -b rename &&
870 git mv original_file renamed_file &&
873 git checkout master &&
874 git rm original_file &&
878 test_expect_success 'no spurious "refusing to lose untracked" message' '
879 git checkout master^0 &&
880 test_must_fail git merge rename^0 2>errors.txt &&
881 ! grep "refusing to lose untracked file" errors.txt
884 test_expect_success 'do not follow renames for empty files' '
885 git checkout -f -b empty-base &&
888 git commit -m base &&
889 echo content >empty1 &&
891 git commit -m fill &&
892 git checkout -b empty-topic HEAD^ &&
893 git mv empty1 empty2 &&
894 git commit -m rename &&
895 test_must_fail git merge empty-base &&
896 test_must_be_empty empty2