diff options
Diffstat (limited to 't/t7607-merge-overwrite.sh')
| -rwxr-xr-x | t/t7607-merge-overwrite.sh | 143 |
1 files changed, 120 insertions, 23 deletions
diff --git a/t/t7607-merge-overwrite.sh b/t/t7607-merge-overwrite.sh index d82349a6a8..aa74184c31 100755 --- a/t/t7607-merge-overwrite.sh +++ b/t/t7607-merge-overwrite.sh @@ -7,48 +7,54 @@ Do not overwrite changes.' . ./test-lib.sh test_expect_success 'setup' ' - echo c0 > c0.c && - git add c0.c && - git commit -m c0 && - git tag c0 && - echo c1 > c1.c && - git add c1.c && - git commit -m c1 && - git tag c1 && + test_commit c0 c0.c && + test_commit c1 c1.c && + test_commit c1a c1.c "c1 a" && git reset --hard c0 && - echo c2 > c2.c && - git add c2.c && - git commit -m c2 && - git tag c2 && - git reset --hard c1 && - echo "c1 a" > c1.c && - git add c1.c && - git commit -m "c1 a" && - git tag c1a && + test_commit c2 c2.c && + git reset --hard c0 && + mkdir sub && + echo "sub/f" > sub/f && + mkdir sub2 && + echo "sub2/f" > sub2/f && + git add sub/f sub2/f && + git commit -m sub && + git tag sub && echo "VERY IMPORTANT CHANGES" > important ' test_expect_success 'will not overwrite untracked file' ' git reset --hard c1 && - cat important > c2.c && + cp important c2.c && test_must_fail git merge c2 && + test_path_is_missing .git/MERGE_HEAD && test_cmp important c2.c ' +test_expect_success 'will overwrite tracked file' ' + git reset --hard c1 && + cp important c2.c && + git add c2.c && + git commit -m important && + git checkout c2 +' + test_expect_success 'will not overwrite new file' ' git reset --hard c1 && - cat important > c2.c && + cp important c2.c && git add c2.c && test_must_fail git merge c2 && + test_path_is_missing .git/MERGE_HEAD && test_cmp important c2.c ' test_expect_success 'will not overwrite staged changes' ' git reset --hard c1 && - cat important > c2.c && + cp important c2.c && git add c2.c && rm c2.c && test_must_fail git merge c2 && + test_path_is_missing .git/MERGE_HEAD && git checkout c2.c && test_cmp important c2.c ' @@ -57,7 +63,7 @@ test_expect_success 'will not overwrite removed file' ' git reset --hard c1 && git rm c1.c && git commit -m "rm c1.c" && - cat important > c1.c && + cp important c1.c && test_must_fail git merge c1a && test_cmp important c1.c ' @@ -66,9 +72,10 @@ test_expect_success 'will not overwrite re-added file' ' git reset --hard c1 && git rm c1.c && git commit -m "rm c1.c" && - cat important > c1.c && + cp important c1.c && git add c1.c && test_must_fail git merge c1a && + test_path_is_missing .git/MERGE_HEAD && test_cmp important c1.c ' @@ -76,12 +83,102 @@ test_expect_success 'will not overwrite removed file with staged changes' ' git reset --hard c1 && git rm c1.c && git commit -m "rm c1.c" && - cat important > c1.c && + cp important c1.c && git add c1.c && rm c1.c && test_must_fail git merge c1a && + test_path_is_missing .git/MERGE_HEAD && git checkout c1.c && test_cmp important c1.c ' +test_expect_success 'will not overwrite untracked subtree' ' + git reset --hard c0 && + rm -rf sub && + mkdir -p sub/f && + cp important sub/f/important && + test_must_fail git merge sub && + test_path_is_missing .git/MERGE_HEAD && + test_cmp important sub/f/important +' + +cat >expect <<\EOF +error: The following untracked working tree files would be overwritten by merge: + sub + sub2 +Please move or remove them before you can merge. +Aborting +EOF + +test_expect_success 'will not overwrite untracked file in leading path' ' + git reset --hard c0 && + rm -rf sub && + cp important sub && + cp important sub2 && + test_must_fail git merge sub 2>out && + test_cmp out expect && + test_path_is_missing .git/MERGE_HEAD && + test_cmp important sub && + test_cmp important sub2 && + rm -f sub sub2 +' + +test_expect_success SYMLINKS 'will not overwrite untracked symlink in leading path' ' + git reset --hard c0 && + rm -rf sub && + mkdir sub2 && + ln -s sub2 sub && + test_must_fail git merge sub && + test_path_is_missing .git/MERGE_HEAD +' + +test_expect_success SYMLINKS 'will not be confused by symlink in leading path' ' + git reset --hard c0 && + rm -rf sub && + ln -s sub2 sub && + git add sub && + git commit -m ln && + git checkout sub +' + +cat >expect <<\EOF +error: Untracked working tree file 'c0.c' would be overwritten by merge. +fatal: read-tree failed +EOF + +test_expect_success 'will not overwrite untracked file on unborn branch' ' + git reset --hard c0 && + git rm -fr . && + git checkout --orphan new && + cp important c0.c && + test_must_fail git merge c0 2>out && + test_i18ncmp out expect +' + +test_expect_success 'will not overwrite untracked file on unborn branch .git/MERGE_HEAD sanity etc.' ' + test_when_finished "rm c0.c" && + test_path_is_missing .git/MERGE_HEAD && + test_cmp important c0.c +' + +test_expect_success 'failed merge leaves unborn branch in the womb' ' + test_must_fail git rev-parse --verify HEAD +' + +test_expect_success 'set up unborn branch and content' ' + git symbolic-ref HEAD refs/heads/unborn && + rm -f .git/index && + echo foo > tracked-file && + git add tracked-file && + echo bar > untracked-file +' + +test_expect_success 'will not clobber WT/index when merging into unborn' ' + git merge master && + grep foo tracked-file && + git show :tracked-file >expect && + grep foo expect && + grep bar untracked-file +' + test_done |