[sdocker] Check number of arg

2015-07-03 14:08:24 +02:00 · 2015-07-03 14:08:24 +02:00 · c7e93be465
parent 027ae8d29b
commit c7e93be465
1 changed files with 6 additions and 0 deletions
--- a/.zsh/40_function.zsh
+++ b/.zsh/40_function.zsh
@ -167,6 +167,12 @@ apush() {
 sdocker (){
    DOCKER_SSH_AUTH=$HOME/docker_ssh_auth
    AOSP_IMAGE=${AOSP_IMAGE:-$HOME/Project}
+
+    if [ $# -eq 0 ]; then
+        echo "Usage: $0 DOCKER_IMAGE_NAME"
+        return
+    fi
+
    if [ -n "$SSH_AUTH_SOCK" ]; then
        $(ls -l $HOME/docker_ssh_auth 2> /dev/null | grep $SSH_AUTH_SOCK > /dev/null)
        if [ $? ];