merge-one-file: fix broken merges with alternate work trees

diff --git a/t/t1501-worktree.sh b/t/t1501-worktree.sh
index f6a6f839a18de4c3775ea965f164d0d20f2bbe9b..9df301211c7f03e4a9edb0ccb9b1a7a648f97d8c 100755 (executable)
--- a/t/t1501-worktree.sh
+++ b/t/t1501-worktree.sh
@@ -174,4 +174,25 @@ test_expect_success 'git grep' '
        GIT_DIR=../.. GIT_WORK_TREE=.. git grep -l changed | grep dir/tracked)
 '
 
+test_expect_success 'git commit' '
+       (
+               cd repo.git &&
+               GIT_DIR=. GIT_WORK_TREE=work git commit -a -m done
+       )
+'
+
+test_expect_success 'absolute pathspec should fail gracefully' '
+       (
+               cd repo.git || exit 1
+               git config --unset core.worktree
+               test_must_fail git log HEAD -- /home
+       )
+'
+
+test_expect_success 'make_relative_path handles double slashes in GIT_DIR' '
+       : > dummy_file
+       echo git --git-dir="$(pwd)//repo.git" --work-tree="$(pwd)" add dummy_file &&
+       git --git-dir="$(pwd)//repo.git" --work-tree="$(pwd)" add dummy_file
+'
+
 test_done