t6423: note improved ort handling with untracked files
Similar to the previous commit, since the "recursive" backend relies on unpack_trees() to check if unstaged or untracked files would be overwritten by a merge, and unpack_trees() does not understand renames -- it has false positives and false negatives. Once it has run, since it updates as it goes, merge-recursive then has to handle completing the merge as best it can despite extra changes in the working copy. However, this is not just an issue for dirty files, but also for untracked files because directory renames can cause file contents to need to be written to a location that was not tracked on either side of history. Since the "ort" backend does the complete merge inmemory, and only updates the index and working copy as a post-processing step, if there are untracked files in the way it can simply abort the merge much like checkout does. Update t6423 to reflect the better merge abilities and expectations for ort, while still leaving the best-case-as-good-as-recursive-can-do expectations there for the recursive backend so we retain its stability until we are ready to deprecate and remove it. Signed-off-by: Elijah Newren <newren@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Elijah Newren
Junio C Hamano
parent
23bef2e33c
commit
fd15863ec8
@ -3214,6 +3214,7 @@ test_expect_success '10a: Overwrite untracked with normal rename/delete' '
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echo important >z/d &&
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test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err &&
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test_path_is_missing .git/MERGE_HEAD &&
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test_i18ngrep "The following untracked working tree files would be overwritten by merge" err &&
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git ls-files -s >out &&
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@ -3283,21 +3284,34 @@ test_expect_success '10b: Overwrite untracked with dir rename + delete' '
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echo contents >y/e &&
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test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err &&
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test_i18ngrep "CONFLICT (rename/delete).*Version B\^0 of y/d left in tree at y/d~B\^0" out &&
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test_i18ngrep "Error: Refusing to lose untracked file at y/e; writing to y/e~B\^0 instead" out &&
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if test "$GIT_TEST_MERGE_ALGORITHM" = ort
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then
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test_path_is_missing .git/MERGE_HEAD &&
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test_i18ngrep "error: The following untracked working tree files would be overwritten by merge" err &&
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git ls-files -s >out &&
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test_line_count = 3 out &&
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git ls-files -u >out &&
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test_line_count = 2 out &&
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git ls-files -o >out &&
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test_line_count = 5 out &&
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git ls-files -s >out &&
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test_line_count = 1 out &&
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git ls-files -u >out &&
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test_line_count = 0 out &&
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git ls-files -o >out &&
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test_line_count = 5 out
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else
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test_i18ngrep "CONFLICT (rename/delete).*Version B\^0 of y/d left in tree at y/d~B\^0" out &&
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test_i18ngrep "Error: Refusing to lose untracked file at y/e; writing to y/e~B\^0 instead" out &&
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git rev-parse >actual \
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:0:y/b :3:y/d :3:y/e &&
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git rev-parse >expect \
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O:z/b O:z/c B:z/e &&
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test_cmp expect actual &&
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git ls-files -s >out &&
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test_line_count = 3 out &&
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git ls-files -u >out &&
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test_line_count = 2 out &&
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git ls-files -o >out &&
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test_line_count = 5 out &&
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git rev-parse >actual \
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:0:y/b :3:y/d :3:y/e &&
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git rev-parse >expect \
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O:z/b O:z/c B:z/e &&
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test_cmp expect actual
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fi &&
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echo very >expect &&
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test_cmp expect y/c &&
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@ -3360,25 +3374,38 @@ test_expect_success '10c1: Overwrite untracked with dir rename/rename(1to2)' '
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echo important >y/c &&
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test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err &&
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test_i18ngrep "CONFLICT (rename/rename)" out &&
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test_i18ngrep "Refusing to lose untracked file at y/c; adding as y/c~B\^0 instead" out &&
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if test "$GIT_TEST_MERGE_ALGORITHM" = ort
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then
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test_path_is_missing .git/MERGE_HEAD &&
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test_i18ngrep "error: The following untracked working tree files would be overwritten by merge" err &&
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git ls-files -s >out &&
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test_line_count = 6 out &&
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git ls-files -u >out &&
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test_line_count = 3 out &&
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git ls-files -o >out &&
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test_line_count = 3 out &&
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git ls-files -s >out &&
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test_line_count = 4 out &&
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git ls-files -u >out &&
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test_line_count = 0 out &&
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git ls-files -o >out &&
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test_line_count = 3 out
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else
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test_i18ngrep "CONFLICT (rename/rename)" out &&
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test_i18ngrep "Refusing to lose untracked file at y/c; adding as y/c~B\^0 instead" out &&
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git rev-parse >actual \
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:0:y/a :0:y/b :0:x/d :1:x/c :2:w/c :3:y/c &&
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git rev-parse >expect \
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O:z/a O:z/b O:x/d O:x/c O:x/c O:x/c &&
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test_cmp expect actual &&
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git ls-files -s >out &&
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test_line_count = 6 out &&
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git ls-files -u >out &&
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test_line_count = 3 out &&
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git ls-files -o >out &&
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test_line_count = 3 out &&
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git hash-object y/c~B^0 >actual &&
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git rev-parse O:x/c >expect &&
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test_cmp expect actual &&
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git rev-parse >actual \
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:0:y/a :0:y/b :0:x/d :1:x/c :2:w/c :3:y/c &&
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git rev-parse >expect \
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O:z/a O:z/b O:x/d O:x/c O:x/c O:x/c &&
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test_cmp expect actual &&
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git hash-object y/c~B^0 >actual &&
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git rev-parse O:x/c >expect &&
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test_cmp expect actual
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fi &&
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echo important >expect &&
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test_cmp expect y/c
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@ -3398,25 +3425,38 @@ test_expect_success '10c2: Overwrite untracked with dir rename/rename(1to2), oth
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echo important >y/c &&
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test_must_fail git -c merge.directoryRenames=true merge -s recursive A^0 >out 2>err &&
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test_i18ngrep "CONFLICT (rename/rename)" out &&
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test_i18ngrep "Refusing to lose untracked file at y/c; adding as y/c~HEAD instead" out &&
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if test "$GIT_TEST_MERGE_ALGORITHM" = ort
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then
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test_path_is_missing .git/MERGE_HEAD &&
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test_i18ngrep "error: The following untracked working tree files would be overwritten by merge" err &&
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git ls-files -s >out &&
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test_line_count = 6 out &&
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git ls-files -u >out &&
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test_line_count = 3 out &&
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git ls-files -o >out &&
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test_line_count = 3 out &&
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git ls-files -s >out &&
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test_line_count = 4 out &&
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git ls-files -u >out &&
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test_line_count = 0 out &&
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git ls-files -o >out &&
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test_line_count = 3 out
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else
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test_i18ngrep "CONFLICT (rename/rename)" out &&
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test_i18ngrep "Refusing to lose untracked file at y/c; adding as y/c~HEAD instead" out &&
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git rev-parse >actual \
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:0:y/a :0:y/b :0:x/d :1:x/c :3:w/c :2:y/c &&
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git rev-parse >expect \
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O:z/a O:z/b O:x/d O:x/c O:x/c O:x/c &&
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test_cmp expect actual &&
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git ls-files -s >out &&
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test_line_count = 6 out &&
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git ls-files -u >out &&
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test_line_count = 3 out &&
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git ls-files -o >out &&
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test_line_count = 3 out &&
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git hash-object y/c~HEAD >actual &&
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git rev-parse O:x/c >expect &&
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test_cmp expect actual &&
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git rev-parse >actual \
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:0:y/a :0:y/b :0:x/d :1:x/c :3:w/c :2:y/c &&
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git rev-parse >expect \
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O:z/a O:z/b O:x/d O:x/c O:x/c O:x/c &&
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test_cmp expect actual &&
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git hash-object y/c~HEAD >actual &&
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git rev-parse O:x/c >expect &&
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test_cmp expect actual
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fi &&
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echo important >expect &&
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test_cmp expect y/c
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@ -3474,37 +3514,50 @@ test_expect_success '10d: Delete untracked with dir rename/rename(2to1)' '
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echo important >y/wham &&
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test_must_fail git -c merge.directoryRenames=true merge -s recursive B^0 >out 2>err &&
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test_i18ngrep "CONFLICT (rename/rename)" out &&
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test_i18ngrep "Refusing to lose untracked file at y/wham" out &&
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if test "$GIT_TEST_MERGE_ALGORITHM" = ort
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then
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test_path_is_missing .git/MERGE_HEAD &&
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test_i18ngrep "error: The following untracked working tree files would be overwritten by merge" err &&
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git ls-files -s >out &&
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test_line_count = 6 out &&
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git ls-files -u >out &&
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test_line_count = 2 out &&
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git ls-files -o >out &&
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test_line_count = 3 out &&
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git ls-files -s >out &&
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test_line_count = 6 out &&
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git ls-files -u >out &&
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test_line_count = 0 out &&
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git ls-files -o >out &&
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test_line_count = 3 out
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else
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test_i18ngrep "CONFLICT (rename/rename)" out &&
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test_i18ngrep "Refusing to lose untracked file at y/wham" out &&
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git rev-parse >actual \
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:0:y/a :0:y/b :0:y/d :0:y/e :2:y/wham :3:y/wham &&
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git rev-parse >expect \
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O:z/a O:z/b O:x/d O:x/e O:z/c O:x/f &&
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test_cmp expect actual &&
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git ls-files -s >out &&
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test_line_count = 6 out &&
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git ls-files -u >out &&
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test_line_count = 2 out &&
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git ls-files -o >out &&
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test_line_count = 3 out &&
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test_must_fail git rev-parse :1:y/wham &&
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git rev-parse >actual \
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:0:y/a :0:y/b :0:y/d :0:y/e :2:y/wham :3:y/wham &&
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git rev-parse >expect \
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O:z/a O:z/b O:x/d O:x/e O:z/c O:x/f &&
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test_cmp expect actual &&
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test_must_fail git rev-parse :1:y/wham &&
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# Test that two-way merge in y/wham~merged is as expected
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git cat-file -p :2:y/wham >expect &&
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git cat-file -p :3:y/wham >other &&
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>empty &&
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test_must_fail git merge-file \
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-L "HEAD" \
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-L "" \
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-L "B^0" \
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expect empty other &&
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test_cmp expect y/wham~merged
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fi &&
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echo important >expect &&
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test_cmp expect y/wham &&
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# Test that the two-way merge in y/wham~merged is as expected
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git cat-file -p :2:y/wham >expect &&
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git cat-file -p :3:y/wham >other &&
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>empty &&
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test_must_fail git merge-file \
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-L "HEAD" \
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-L "" \
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-L "B^0" \
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expect empty other &&
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test_cmp expect y/wham~merged
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test_cmp expect y/wham
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)
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'
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