Handle mount script fail (#957)

scripts/umbrel-os/external-storage/mount

@@ -146,6 +146,7 @@ copy_docker_to_external_storage () {
 
 main () {
   $set_status mount started
+  trap '[[ "$?" != "0" ]] && $set_status mount errored mount-script-exit' EXIT
   echo "Running external storage mount script..."
   check_root
   check_dependencies sed wipefs parted mount sync umount

scripts/umbrel-os/status-server/static/index.html

@@ -76,6 +76,11 @@
         <p>The version of UmbrelOS on your microSD card is not compatible with the version of Umbrel on your external drive.</p>
       </div>
 
+      <div class="error-text mount-script-exit">
+        <p><b class="text-dark">Error: Mounting external drive failed</b></p>
+        <p>Something went wrong when trying to connect to the external drive.</p>
+      </div>
+
       <div class="error-text no-block-device">
         <p><b class="text-dark">Error: No external drive found</b></p>
         <p>Please connect an external drive (at least 1TB) to a USB 3.0 port (blue color) on your Raspberry Pi and restart your Umbrel.</p>

scripts/umbrel-os/status-server/static/styles.css

@@ -49,6 +49,7 @@ p {
 }
 [data-error="monitor-check"] .error-text.monitor-check,
 [data-error="semver-mismatch"] .error-text.semver-mismatch,
+[data-error="mount-script-exit"] .error-text.mount-script-exit,
 [data-error="no-block-device"] .error-text.no-block-device,
 [data-error="multiple-block-devices"] .error-text.multiple-block-devices,
 [data-error="rebinding-failed"] .error-text.rebinding-failed {