add, reset: use DIFF_OPT_SET macro to set a diff flag

diff --git a/git-rebase.sh b/git-rebase.sh
index ad8415e3cf6907044b0730b59fc2e6ff30ab7174..6344e8d5e38ca237dc5b5b67844f87f48aaa74ca 100755 (executable)
--- a/git-rebase.sh
+++ b/git-rebase.sh
@@ -350,6 +350,9 @@ do
                shift
                break
                ;;
+       *)
+               usage
+               ;;
        esac
        shift
 done