From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Sat, 17 Feb 2018 12:36:31 +0000 (+0100)
Subject: cmd/lxc-update-config: check for empty arguments
X-Git-Tag: lxc-3.0.0.beta1~23^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a514f2d9432145afd50791e7cb27673956e7a64e;p=thirdparty%2Flxc.git

cmd/lxc-update-config: check for empty arguments

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---

diff --git a/src/lxc/cmd/lxc-update-config.in b/src/lxc/cmd/lxc-update-config.in
index 785322c38..fd9110345 100644
--- a/src/lxc/cmd/lxc-update-config.in
+++ b/src/lxc/cmd/lxc-update-config.in
@@ -14,6 +14,12 @@ EOF
     return 0
 }
 
+# Check whether any arguments are provided.
+if [ $# -eq 0 ]; then
+    usage "${0}"
+    exit 0
+fi
+
 OPTIONS=$(getopt -o c:h --long config:,help -- "${@}")
 eval set -- "${OPTIONS}"