add help command

pingcap · Aug 28, 2019 · 6230bdd · 6230bdd
1 parent 2019445
commit 6230bdd
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/hack/kind-cluster-build.sh b/hack/kind-cluster-build.sh
@@ -9,14 +9,14 @@ Before run this script,please ensure that:
 * have installed docker
 
 Options:
+       -h,--help               prints the usage message
        -n,--name               name of the Kubernetes cluster,default value: kind
        -c,--nodeNum            the count of the cluster nodes,default value: 6
        -k,--k8sVersion         version of the Kubernetes cluster,default value: v1.12.8
        -v,--volumeNum          the volumes number of each kubernetes node,default value: 9
 Usage:
     $0 --name testCluster --nodeNum 4 --k8sVersion v1.12.9
 EOF
-    exit 1
 }
 
 while [[ $# -gt 0 ]]
@@ -44,6 +44,10 @@ case $key in
     shift
     shift
     ;;
+    -h|--help)
+    usage
+    exit 0
+    ;;
     *)
     echo "unknown option: $key"
     usage