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47f16e8b11
* cb/maint-orphan-merge-noclobber: do not overwrite untracked during merge from unborn branch
103 lines
2.2 KiB
Bash
Executable file
103 lines
2.2 KiB
Bash
Executable file
#!/bin/sh
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test_description='git-merge
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Do not overwrite changes.'
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. ./test-lib.sh
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test_expect_success 'setup' '
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echo c0 > c0.c &&
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git add c0.c &&
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git commit -m c0 &&
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git tag c0 &&
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echo c1 > c1.c &&
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git add c1.c &&
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git commit -m c1 &&
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git tag c1 &&
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git reset --hard c0 &&
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echo c2 > c2.c &&
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git add c2.c &&
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git commit -m c2 &&
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git tag c2 &&
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git reset --hard c1 &&
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echo "c1 a" > c1.c &&
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git add c1.c &&
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git commit -m "c1 a" &&
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git tag c1a &&
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echo "VERY IMPORTANT CHANGES" > important
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'
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test_expect_success 'will not overwrite untracked file' '
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git reset --hard c1 &&
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cat important > c2.c &&
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test_must_fail git merge c2 &&
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test_cmp important c2.c
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'
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test_expect_success 'will not overwrite new file' '
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git reset --hard c1 &&
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cat important > c2.c &&
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git add c2.c &&
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test_must_fail git merge c2 &&
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test_cmp important c2.c
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'
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test_expect_success 'will not overwrite staged changes' '
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git reset --hard c1 &&
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cat important > c2.c &&
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git add c2.c &&
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rm c2.c &&
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test_must_fail git merge c2 &&
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git checkout c2.c &&
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test_cmp important c2.c
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'
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test_expect_success 'will not overwrite removed file' '
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git reset --hard c1 &&
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git rm c1.c &&
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git commit -m "rm c1.c" &&
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cat important > c1.c &&
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test_must_fail git merge c1a &&
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test_cmp important c1.c
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'
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test_expect_success 'will not overwrite re-added file' '
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git reset --hard c1 &&
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git rm c1.c &&
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git commit -m "rm c1.c" &&
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cat important > c1.c &&
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git add c1.c &&
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test_must_fail git merge c1a &&
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test_cmp important c1.c
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'
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test_expect_success 'will not overwrite removed file with staged changes' '
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git reset --hard c1 &&
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git rm c1.c &&
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git commit -m "rm c1.c" &&
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cat important > c1.c &&
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git add c1.c &&
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rm c1.c &&
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test_must_fail git merge c1a &&
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git checkout c1.c &&
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test_cmp important c1.c
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'
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cat >expect <<\EOF
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error: Untracked working tree file 'c0.c' would be overwritten by merge.
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fatal: read-tree failed
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EOF
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test_expect_success 'will not overwrite untracked file on unborn branch' '
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git reset --hard c0 &&
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git rm -fr . &&
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git checkout --orphan new &&
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cp important c0.c &&
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test_must_fail git merge c0 2>out &&
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test_cmp out expect &&
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test_path_is_missing .git/MERGE_HEAD &&
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test_cmp important c0.c
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'
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test_done
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