clean up update function

ct/zoneminder.sh

@@ -33,33 +33,19 @@ function update_script() {
 
     RELEASE=$(curl -fsSL https://api.github.com/repos/ZoneMinder/zoneminder/releases/latest | grep -Po '"tag_name": "\K.*?(?=")')
     if [[ "${RELEASE}" != "$(cat /opt/${APP}_version.txt 2>/dev/null || echo 'none')" ]] || [[ ! -f /opt/${APP}_version.txt ]]; then
-        msg_info "Updating $APP"
+        msg_info "Updating to v${RELEASE}"
 
-        msg_info "Stopping $APP"
         systemctl stop zoneminder
-        msg_ok "Stopped $APP"
 
-        msg_info "Creating Backup"
-        tar -czf "/opt/${APP}_backup_$(date +%F).tar.gz" /etc/zm /usr/share/zoneminder /var/cache/zoneminder
-        msg_ok "Backup Created"
-
-        msg_info "Updating $APP to v${RELEASE}"
         apt-get update && apt-get install --only-upgrade zoneminder -y
-        msg_ok "Updated $APP to v${RELEASE}"
 
-        msg_info "Starting $APP"
         systemctl start zoneminder
         sleep 2
-        msg_ok "Started $APP"
-
-        msg_info "Cleaning Up"
-        rm -rf /tmp/zoneminder-update
-        msg_ok "Cleanup Completed"
 
         echo "${RELEASE}" >/opt/${APP}_version.txt
         msg_ok "Update Successful"
     else
-        msg_ok "No update required. ${APP} is already at v${RELEASE}"
+        msg_ok "${APP} is already v${RELEASE}"
     fi
     exit
 }