wip: secrets sanity check

.woodpecker.yml

@@ -1,4 +1,14 @@
 pipeline:
+  debug:publish-nightly:
+    image: albedo.lan:5000/upend-deploy:latest
+    pull: true
+    commands:
+      - echo "$GPG_SIGN_KEY" | wc -l
+      - echo "$SSH_CONFIG"
+      - echo "$GPG_SIGN_KEY" | gpg --import
+      - "false"
+    secrets: [gpg_sign_key, ssh_config, ssh_upload_key, ssh_known_hosts]
+
   prepare:cache:frontend:
     group: init
     image: albedo.lan:5000/upend-node:latest