On Tue, Jul 10, 2018 at 10:18:33PM -0700, Elijah Newren wrote:
> Several "recovery" commands outright fail or do not fully recover
> when directory-file conflicts are present. This includes:
> * git read-tree --reset HEAD
> * git am --skip
> * git am --abort
> * git merge --abort
> * git reset --hard
>
> Add testcases documenting these shortcomings.
>
> Signed-off-by: Elijah Newren <newren@xxxxxxxxx>
> ---
> diff --git a/t/t1015-read-index-unmerged.sh b/t/t1015-read-index-unmerged.sh
> @@ -0,0 +1,123 @@
> +test_expect_success 'setup modify/delete + directory/file conflict' '
> + test_create_repo df_plus_modify_delete &&
> + (
> + cd df_plus_modify_delete &&
> +
> + printf "a\nb\nc\nd\ne\nf\ng\nh\n" >letters &&
test_write_lines a b c d e f g h >letters &&
> + git add letters &&
> + git commit -m initial &&
> +
> + git checkout -b modify &&
> + # Throw in letters.txt for sorting order fun
> + # ("letters.txt" sorts between "letters" and "letters/file")
> + echo i >>letters &&
> + echo "version 2" >letters.txt &&
> + git add letters letters.txt &&
> + git commit -m modified &&
> +
> + git checkout -b delete HEAD^ &&
> + git rm letters &&
> + mkdir letters &&
> + >letters/file &&
> + echo "version 1" >letters.txt &&
> + git add letters letters.txt &&
> + git commit -m deleted
> + )
> +'
> +
> +test_expect_failure 'read-tree --reset cleans unmerged entries' '
> + test_when_finished "git -C df_plus_modify_delete clean -f" &&
> + test_when_finished "git -C df_plus_modify_delete reset --hard" &&
> + (
> + cd df_plus_modify_delete &&
> + ...
> + )
> +'
I wonder how much value these distinct repositories add over not using
them:
--- >8 ---
#!/bin/sh
test_description='Test various callers of read_index_unmerged'
. ./test-lib.sh
test_expect_success 'setup modify/delete + directory/file conflict' '
test_write_lines a b c d e f g h >letters &&
git add letters &&
git commit -m initial &&
git checkout -b modify &&
# Throw in letters.txt for sorting order fun
# ("letters.txt" sorts between "letters" and "letters/file")
echo i >>letters &&
echo "version 2" >letters.txt &&
git add letters letters.txt &&
git commit -m modified &&
git checkout -b delete HEAD^ &&
git rm letters &&
mkdir letters &&
>letters/file &&
echo "version 1" >letters.txt &&
git add letters letters.txt &&
git commit -m deleted
'
test_expect_failure 'read-tree --reset cleans unmerged entries' '
test_when_finished "git clean -f" &&
test_when_finished "git reset --hard" &&
git checkout delete^0 &&
test_must_fail git merge modify &&
git read-tree --reset HEAD &&
git ls-files -u >conflicts &&
test_must_be_empty conflicts
'
test_expect_failure 'One reset --hard cleans unmerged entries' '
test_when_finished "git clean -f" &&
test_when_finished "git reset --hard" &&
git checkout delete^0 &&
test_must_fail git merge modify &&
git reset --hard &&
test_path_is_missing .git/MERGE_HEAD &&
git ls-files -u >conflicts &&
test_must_be_empty conflicts
'
test_expect_success 'setup directory/file conflict + simple edit/edit' '
test_seq 1 10 >numbers &&
git add numbers &&
git commit -m initial &&
git checkout -b d-edit &&
mkdir foo &&
echo content >foo/bar &&
git add foo &&
echo 11 >>numbers &&
git add numbers &&
git commit -m "directory and edit" &&
git checkout -b f-edit d-edit^1 &&
echo content >foo &&
git add foo &&
echo eleven >>numbers &&
git add numbers &&
git commit -m "file and edit"
'
test_expect_failure 'git merge --abort succeeds despite D/F conflict' '
test_when_finished "git clean -f" &&
test_when_finished "git reset --hard" &&
git checkout f-edit^0 &&
test_must_fail git merge d-edit^0 &&
git merge --abort &&
test_path_is_missing .git/MERGE_HEAD &&
git ls-files -u >conflicts &&
test_must_be_empty conflicts
'
test_expect_failure 'git am --skip succeeds despite D/F conflict' '
test_when_finished "git clean -f" &&
test_when_finished "git reset --hard" &&
git checkout f-edit^0 &&
git format-patch -1 d-edit &&
test_must_fail git am -3 0001*.patch &&
git am --skip &&
test_path_is_missing .git/rebase-apply &&
git ls-files -u >conflicts &&
test_must_be_empty conflicts
'
test_done
--- >8 ---
