attr: remove index from git_attr_set_direction()

diff --git a/t/t4208-log-magic-pathspec.sh b/t/t4208-log-magic-pathspec.sh
index 62f335b2d9fe7268f8f6cd878067de8528b5cb75..4c8f3b8e1bdd084a6407d76ff26cff0048e90bdf 100755 (executable)
--- a/t/t4208-log-magic-pathspec.sh
+++ b/t/t4208-log-magic-pathspec.sh
@@ -25,6 +25,32 @@ test_expect_success '"git log :/a -- " should not be ambiguous' '
        git log :/a --
 '
 
+test_expect_success '"git log :/detached -- " should find a commit only in HEAD' '
+       test_when_finished "git checkout master" &&
+       git checkout --detach &&
+       # Must manually call `test_tick` instead of using `test_commit`,
+       # because the latter additionally creates a tag, which would make
+       # the commit reachable not only via HEAD.
+       test_tick &&
+       git commit --allow-empty -m detached &&
+       test_tick &&
+       git commit --allow-empty -m something-else &&
+       git log :/detached --
+'
+
+test_expect_success '"git log :/detached -- " should not find an orphaned commit' '
+       test_must_fail git log :/detached --
+'
+
+test_expect_success '"git log :/detached -- " should find HEAD only of own worktree' '
+       git worktree add other-tree HEAD &&
+       git -C other-tree checkout --detach &&
+       test_tick &&
+       git -C other-tree commit --allow-empty -m other-detached &&
+       git -C other-tree log :/other-detached -- &&
+       test_must_fail git log :/other-detached --
+'
+
 test_expect_success '"git log -- :/a" should not be ambiguous' '
        git log -- :/a
 '