fix debian-bash as link

install.sh

@@ -17,6 +17,12 @@ function install_host {
     if [[ ! $BASEDIR == '/opt/debian-bash' ]]; then
         # download and filfull /opt/debian-bash, then run it from folder
 
+		if [[ -L /opt/debian-bash ]];then
+			cd /opt/debian-bash
+			git pull
+			./install.sh $PARAM1
+			exit 0
+		else
 	        rm -rf /opt/debian-bash
 	        TEMP=`mktemp -d`
 	        cd $TEMP
@@ -28,6 +34,7 @@ function install_host {
 	        ./install.sh $PARAM1
 	        rm -rf $TEMP
 	        exit 0
+		fi
 
     else