[FEAT] Immich: Enable Maintenance Mode before update (#11342)

* [FEAT] Immich: enable Maintenance Mode prior to update

- Checks if current version is 2.5.2 or higher
- Also disables Maintenance Mode afterwards

* fix pathing issue; suppress `cd -` output

ct/immich.sh

@@ -114,6 +114,14 @@ EOF
 
   RELEASE="2.5.2"
   if check_for_gh_release "immich" "immich-app/immich" "${RELEASE}"; then
+    if [[ $(cat ~/.immich) > "2.5.1" ]]; then
+      msg_info "Enabling Maintenance Mode"
+      cd /opt/immich/app/bin
+      $STD bash ./immich-admin enable-maintenance-mode
+      export MAINT_MODE=1
+      $STD cd -
+      msg_ok "Enabled Maintenance Mode"
+    fi
     msg_info "Stopping Services"
     systemctl stop immich-web
     systemctl stop immich-ml
@@ -242,6 +250,14 @@ EOF
     ln -s "$GEO_DIR" "$APP_DIR"
 
     chown -R immich:immich "$INSTALL_DIR"
+    if [[ "$MAINT_MODE" == 1 ]]; then
+      msg_info "Disabling Maintenance Mode"
+      cd /opt/immich/app/bin
+      $STD bash ./immich-admin disable-maintenance-mode
+      unset MAINT_MODE
+      $STD cd -
+      msg_ok "Disabled Maintenance Mode"
+    fi
     systemctl restart immich-ml immich-web
     msg_ok "Updated successfully!"
   fi