Show error when an invalid command is given

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/src/firmware-update.in b/src/firmware-update.in
index 6b894fc68e55f0026219575d3dc796b3c1527b35..3b7d02db5c80a84cba82b998d144585dc922b4df 100644 (file)
--- a/src/firmware-update.in
+++ b/src/firmware-update.in
@@ -31,8 +31,18 @@ main() {
                        echo "${PACKAGE_NAME}: Version ${PACKAGE_VERSION}"
                        return 0
                        ;;
+
+               "")
+                       echo "No command given" >&2
+                       return 2
+                       ;;
+
+               *)
+                       echo "Invalid command: ${action}" >&2
+                       return 2
+                       ;;
        esac
 }
 
 # Call main
-main "$@" || exit ${?}
+main "$@" || exit ${?}