format-patch: make newline after signature conditional

diff --git a/builtin/update-ref.c b/builtin/update-ref.c
index 1292cfea11d87e8c98ba64ffae9d6a1aeffaca9f..5c208bb1fc4f6c467842b37157435e87fe1415cd 100644 (file)
--- a/builtin/update-ref.c
+++ b/builtin/update-ref.c
@@ -147,6 +147,7 @@ static void parse_cmd_create(const char *next)
        struct ref_update *update;
 
        update = update_alloc();
+       update->have_old = 1;
 
        if ((next = parse_first_arg(next, &ref)) != NULL && ref.buf[0])
                update_store_ref_name(update, ref.buf);