fix debian-bash as link

install.sh

@@ -17,17 +17,24 @@ function install_host {
     if [[ ! $BASEDIR == '/opt/debian-bash' ]]; then
         # download and filfull /opt/debian-bash, then run it from folder
 
-        rm -rf /opt/debian-bash
-        TEMP=`mktemp -d`
-        cd $TEMP
-        echo $TEMP
-        wget https://git.artcode.re/pvincent/debian-bash/archive/master.tar.gz
-        tar -xzf master.tar.gz
-        mv debian-bash /opt/
-        cd /opt/debian-bash
-        ./install.sh $PARAM1
-        rm -rf $TEMP
-        exit 0
+		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
+	        echo $TEMP
+	        wget https://git.artcode.re/pvincent/debian-bash/archive/master.tar.gz
+	        tar -xzf master.tar.gz
+	        mv debian-bash /opt/
+	        cd /opt/debian-bash
+	        ./install.sh $PARAM1
+	        rm -rf $TEMP
+	        exit 0
+		fi
 
     else