Manual trigger Sparkle update

Author: alberti42

.github/workflows/publish-release.yml

@@ -10,6 +10,11 @@ name: Publish Release (Update Appcast)
 on:
   release:
     types: [published]
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: 'Release tag to process (e.g. v2.2.0)'
+        required: true
 
 jobs:
   publish:
@@ -27,7 +32,7 @@ jobs:
       - name: Extract version and build info
         id: info
         run: |
-          TAG="${{ github.event.release.tag_name }}"
+          TAG="${{ github.event.release.tag_name || inputs.tag }}"
           # Get build number from the project file in main
           BUILD=$(grep -m1 'CURRENT_PROJECT_VERSION' \
             "Volume Control.xcodeproj/project.pbxproj" \
@@ -37,6 +42,35 @@ jobs:
           echo "build=$BUILD" >> "$GITHUB_OUTPUT"
           echo "zip=$ZIP" >> "$GITHUB_OUTPUT"
 
+      - name: Download Sparkle tools
+        run: |
+          # Fetch the browser_download_url for Sparkle-for-Swift-Package-Manager.zip
+          # from the latest Sparkle release
+          DOWNLOAD_URL=$(curl -fsSL \
+            "https://api.github.com/repos/sparkle-project/Sparkle/releases/latest" \
+            | python3 -c "
+import sys, json
+assets = json.load(sys.stdin)['assets']
+url = next((a['browser_download_url'] for a in assets
+            if 'Swift-Package-Manager' in a['name']), None)
+if not url:
+    raise SystemExit('ERROR: Sparkle-for-Swift-Package-Manager.zip not found in latest release')
+print(url)
+")
+          echo "Downloading: $DOWNLOAD_URL"
+          curl -fsSL "$DOWNLOAD_URL" -o /tmp/sparkle-spm.zip
+          unzip -q /tmp/sparkle-spm.zip -d /tmp/sparkle-spm
+          TOOL=$(find /tmp/sparkle-spm -name generate_appcast | head -1)
+          if [[ -z "$TOOL" ]]; then
+            echo "ERROR: generate_appcast not found in archive"
+            find /tmp/sparkle-spm -type f | head -20
+            exit 1
+          fi
+          mkdir -p bin
+          cp "$TOOL" bin/generate_appcast
+          chmod +x bin/generate_appcast
+          echo "Using generate_appcast from: $TOOL"
+
       - name: Download ZIP from release
         env:
           GH_TOKEN: ${{ github.token }}
@@ -83,43 +117,7 @@ jobs:
 
           # Inject the HTML as <description><![CDATA[…]]></description>
           # into the <item> that matches the current build number
-          python3 - "$BUILD" 'Releases/VolumeControlCast.xml' /tmp/notes.html << 'PYEOF'
-import sys, re
-
-build, appcast_path, notes_path = sys.argv[1], sys.argv[2], sys.argv[3]
-
-with open(notes_path, encoding='utf-8') as f:
-    notes_html = f.read().strip()
-
-with open(appcast_path, encoding='utf-8') as f:
-    content = f.read()
-
-desc_tag = '<description><![CDATA[\n' + notes_html + '\n            ]]></description>'
-
-item_re = re.compile(
-    r'(<item>.*?<sparkle:version>' + re.escape(build) + r'</sparkle:version>.*?)(</item>)',
-    re.DOTALL
-)
-
-def inject(m):
-    inner = m.group(1)
-    if '<description>' in inner:
-        inner = re.sub(r'<description>.*?</description>', desc_tag, inner, flags=re.DOTALL)
-    else:
-        inner += '\n            ' + desc_tag + '\n        '
-    return inner + m.group(2)
-
-new_content = item_re.sub(inject, content)
-
-if new_content == content:
-    print(f'WARNING: no <item> found for build {build}', file=sys.stderr)
-    sys.exit(1)
-
-with open(appcast_path, 'w', encoding='utf-8') as f:
-    f.write(new_content)
-
-print(f'Release notes injected for build {build}.')
-PYEOF
+          python3 bin/inject_appcast_notes.py "$BUILD" 'Releases/VolumeControlCast.xml' /tmp/notes.html
 
       - name: Commit and push changes to main
         env: