Update heimdalldashboard.sh

tweak update function

ct/heimdalldashboard.sh

@@ -55,49 +55,50 @@ function default_settings() {
 function update_script() {
 header_info
 if [[ ! -d /opt/Heimdall ]]; then msg_error "No ${APP} Installation Found!"; exit; fi
-msg_info "Stopping ${APP}"
-systemctl stop heimdall
-sleep 1
-msg_ok "Stopped ${APP}"
+RELEASE=$(curl -sX GET "https://api.github.com/repos/linuxserver/Heimdall/releases/latest" | awk '/tag_name/{print $4;exit}' FS='[""]')
+if [[ "${RELEASE}" != "$(cat /opt/${APP}_version.txt)" ]] || [[ ! -f /opt/${APP}_version.txt ]]; then
+  msg_info "Stopping ${APP}"
+  systemctl stop heimdall
+  sleep 1
+  msg_ok "Stopped ${APP}"
 
-msg_info "Backing up Data"
-cp -R /opt/Heimdall/database database-backup
-cp -R /opt/Heimdall/public public-backup
-sleep 1
-msg_ok "Backed up Data"
+  msg_info "Backing up Data"
+  cp -R /opt/Heimdall/database database-backup
+  cp -R /opt/Heimdall/public public-backup
+  sleep 1
+  msg_ok "Backed up Data"
 
-RELEASE=$(curl -sX GET "https://api.github.com/repos/linuxserver/Heimdall/releases/latest" | awk '/tag_name/{print $4;exit}' FS='[""]')
-msg_info "Updating Heimdall Dashboard to ${RELEASE}"
-wget -q https://github.com/linuxserver/Heimdall/archive/${RELEASE}.tar.gz
-tar xzf ${RELEASE}.tar.gz
-VER=$(curl -s https://api.github.com/repos/linuxserver/Heimdall/releases/latest | grep "tag_name" | awk '{print substr($2, 3, length($2)-4) }')
-cp -R Heimdall-${VER}/* /opt/Heimdall
-cd /opt/Heimdall
-apt-get install -y composer &>/dev/null
-COMPOSER_ALLOW_SUPERUSER=1 composer dump-autoload &>/dev/null
-msg_ok "Updated Heimdall Dashboard to ${RELEASE}"
+  msg_info "Updating Heimdall Dashboard to ${RELEASE}"
+  echo "${RELEASE}" >/opt/${APP}_version.txt
+  wget -q https://github.com/linuxserver/Heimdall/archive/${RELEASE}.tar.gz
+  tar xzf ${RELEASE}.tar.gz
+  VER=$(curl -s https://api.github.com/repos/linuxserver/Heimdall/releases/latest | grep "tag_name" | awk '{print substr($2, 3, length($2)-4) }')
+  cp -R Heimdall-${VER}/* /opt/Heimdall
+  cd /opt/Heimdall
+  apt-get install -y composer &>/dev/null
+  COMPOSER_ALLOW_SUPERUSER=1 composer dump-autoload &>/dev/null
+  msg_ok "Updated Heimdall Dashboard to ${RELEASE}"
 
-msg_info "Restoring Data"
-cd ~
-cp -R database-backup/* /opt/Heimdall/database
-cp -R public-backup/* /opt/Heimdall/public
-sleep 1
-msg_ok "Restored Data"
+  msg_info "Restoring Data"
+  cd ~
+  cp -R database-backup/* /opt/Heimdall/database
+  cp -R public-backup/* /opt/Heimdall/public
+  sleep 1
+  msg_ok "Restored Data"
 
-msg_info "Cleanup"
-rm -rf ${RELEASE}.tar.gz
-rm -rf Heimdall-${VER}
-rm -rf public-backup
-rm -rf database-backup
-rm -rf Heimdall
-sleep 1
-msg_ok "Cleaned"
+  msg_info "Cleanup"
+  rm -rf {${RELEASE}.tar.gz,Heimdall-${VER},public-backup,database-backup,Heimdall}
+  sleep 1
+  msg_ok "Cleaned"
 
-msg_info "Starting ${APP}"
-systemctl start heimdall.service
-sleep 2
-msg_ok "Started ${APP}"
-msg_ok "Updated Successfully"
+  msg_info "Starting ${APP}"
+  systemctl start heimdall.service
+  sleep 2
+  msg_ok "Started ${APP}"
+  msg_ok "Updated Successfully"
+else
+  msg_ok "No update required.  ${APP} ia already at ${RELEASE}."
+fi
 exit
 }