Update tianji.sh

Revert "no update path available"

ct/tianji.sh

@@ -55,7 +55,29 @@ function default_settings() {
 function update_script() {
 header_info
 if [[ ! -d /opt/tianji ]]; then msg_error "No ${APP} Installation Found!"; exit; fi
-msg_error "There is currently no update path available."
+if (( $(df /boot | awk 'NR==2{gsub("%","",$5); print $5}') > 80 )); then
+  read -r -p "Warning: Storage is dangerously low, continue anyway? <y/N> " prompt
+  [[ ${prompt,,} =~ ^(y|yes)$ ]] || exit
+fi
+RELEASE=$(curl -s https://api.github.com/repos/msgbyte/tianji/releases/latest | grep "tag_name" | awk '{print substr($2, 3, length($2)-4) }')
+if [[ ! -f /opt/${APP}_version.txt ]] || [[ "${RELEASE}" != "$(cat /opt/${APP}_version.txt)" ]]; then
+  msg_info "Stopping ${APP} Service"
+  systemctl stop tianji
+  msg_ok "Stopped ${APP} Service"
+  msg_info "Updating ${APP} to ${RELEASE}"
+  cd /opt/tianji
+  git checkout -f -q v${RELEASE}
+  cd src/server
+  pnpm db:migrate:apply >/dev/null 2>&1
+  echo "${RELEASE}" >/opt/${APP}_version.txt
+  msg_ok "Updated ${APP} to ${RELEASE}"
+  msg_info "Starting ${APP}"
+  systemctl start tianji
+  msg_ok "Started ${APP}"
+  msg_ok "Updated Successfully"
+else
+  msg_ok "No update required.  ${APP} is already at ${RELEASE}."
+fi
 exit
 }