Merge pull request #2174 from brauner/2018-02-17/lxc-update-config_check_empty_args

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

Merge pull request #2174 from brauner/2018-02-17/lxc-update-config_check_empty_args
f6a248c0 · Christian Brauner · GitHub · 18b1b540 · a514f2d9 · f6a248c0
Unverified Commit f6a248c0 authored Feb 17, 2018 by Christian Brauner Committed by GitHub Feb 17, 2018
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lxc-update-config.in src/lxc/cmd/lxc-update-config.in +6 -0

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--- 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}"