Add "new version" banners on release

deploy.yaml

@@ -1,4 +1,5 @@
 import:
+  - src/Support/update_banner.php
   - src/Support/update_manifest.php
 
 hosts:
@@ -7,16 +8,14 @@ hosts:
 
 config:
   banner: |
-    ╭──────────────────────────────────────────────────────╮
-    │                                                      │
-    │       Update available! Mode info ï.at/update        │
-    │                                                      │
-    ╰──────────────────────────────────────────────────────╯
+    ╭────────────────────────────────────────────╮
+    │                                            │
+    │       Update available! More info at       │
+    │       https://ï.at/deployer-releases       │
+    │                                            │
+    ╰────────────────────────────────────────────╯
 
 tasks:
   release:
+    - update_banner
     - update_manifest
-
-  create_banner:
-    - desc: Create an update banner
-    - run: echo $'{{banner}}' > {{site}}/check-updates/{{old_version}}

src/Support/update_banner.php

@@ -0,0 +1,23 @@
+<?php declare(strict_types=1);
+
+/* (c) Anton Medvedev <anton@medv.io>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Deployer;
+
+task('update_banner', function () {
+    $skipCurrentVersion = get('version');
+    $manifestPath = '~/deployer.org/artifacts/manifest.json';
+    $manifest = json_decode(run("cat $manifestPath"), true);
+    $commands = '';
+    foreach ($manifest as $m) {
+        if ($skipCurrentVersion === $m['version']) {
+            continue;
+        }
+        $commands .= "echo -n '{{banner}}' > ~/deployer.org/check-updates/{$m['version']};\n";
+    }
+    run($commands);
+});