fix(dracut-install): do not fail when SOURCE is optional and missing

When running dracut-install with '-o' (optional source), and nullglob
at the same time, when all of the arguments evaluate <null>, dracut-install
should not fail even when the source is not specified.

diff --git a/src/install/dracut-install.c b/src/install/dracut-install.c
index 9a53be158d816b5a5d98f385c0a86d277d3b1ed5..d7a1cd9b6367c342d426fb2a04ed8530d746c09d 100644 (file)
--- a/src/install/dracut-install.c
+++ b/src/install/dracut-install.c
@@ -1175,8 +1175,12 @@ static int parse_argv(int argc, char *argv[])
         }
 
         if (!optind || optind == argc) {
-                log_error("No SOURCE argument given");
-                usage(EXIT_FAILURE);
+                if (!arg_optional) {
+                        log_error("No SOURCE argument given");
+                        usage(EXIT_FAILURE);
+                } else {
+                        exit(EXIT_SUCCESS);
+                }
         }
 
         return 1;