doc: fix merge-base ASCII art tab spacing

diff --git a/t/t2107-update-index-basic.sh b/t/t2107-update-index-basic.sh
index 1bafb9098c7fae33969e9231fbdee1c0370830a1..dfe02f48183ad77a93d72c0f5e952380b63a9229 100755 (executable)
--- a/t/t2107-update-index-basic.sh
+++ b/t/t2107-update-index-basic.sh
@@ -65,4 +65,19 @@ test_expect_success '--cacheinfo mode,sha1,path (new syntax)' '
        test_cmp expect actual
 '
 
+test_expect_success '.lock files cleaned up' '
+       mkdir cleanup &&
+       (
+       cd cleanup &&
+       mkdir worktree &&
+       git init repo &&
+       cd repo &&
+       git config core.worktree ../../worktree &&
+       # --refresh triggers late setup_work_tree,
+       # active_cache_changed is zero, rollback_lock_file fails
+       git update-index --refresh &&
+       ! test -f .git/index.lock
+       )
+'
+
 test_done