decorate: clean up and document API

diff --git a/t/t3320-notes-merge-worktrees.sh b/t/t3320-notes-merge-worktrees.sh
index b9c3bc2487aa7dd4bb009d45f784e047f772f62d..10bfc8b94710caf8d33a3a1fa66ad3a4ba394c0f 100755 (executable)
--- a/t/t3320-notes-merge-worktrees.sh
+++ b/t/t3320-notes-merge-worktrees.sh
@@ -61,7 +61,7 @@ test_expect_success 'merge z into x while mid-merge on y succeeds' '
        (
                cd worktree2 &&
                git config core.notesRef refs/notes/x &&
-               test_must_fail git notes merge z 2>&1 >out &&
+               test_must_fail git notes merge z >out 2>&1 &&
                test_i18ngrep "Automatic notes merge failed" out &&
                grep -v "A notes merge into refs/notes/x is already in-progress in" out
        ) &&