Correct argument parsing in rumprun

Signed-off-by: Martin Lucina <martin@lucina.net>

diff --git a/app-tools/rumprun b/app-tools/rumprun
index 980ad5ecb1f4c6bd23d9f5cd8dcad67938e86313..53c7259864920f84514f4d304c1399445d54f3ed 100755 (executable)
--- a/app-tools/rumprun
+++ b/app-tools/rumprun
@@ -192,6 +192,7 @@ run_xen() {
        # Remaining arguments belong to the application.
        shift $((OPTIND-1))
        [ "$1" = "--" ] && shift
+       [ $# -lt 1 ] && usage
        name=${opt_name:-rumprun-$(basename $1)}
        app=$(realpath $1)
        shift