Using github.com/flatpak/flatpak-github-actions

.github/workflows/build-flatpak-package.yml

@@ -0,0 +1,37 @@
+name: Build flatpak package
+
+on:
+  release:
+    branches: '*'
+    types: [published]
+
+env:
+  APP_NAME:    alsa-scarlett-gui
+  APP_VERSION: ${{ github.event.release.tag_name }}
+
+jobs:
+  flatpak:
+    name: "Flatpak"
+    runs-on: ubuntu-latest
+    container:
+      image: bilelmoussaoui/flatpak-github-actions:gnome-44
+      options: --privileged
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Build flatpak package
+      uses: flatpak/flatpak-github-actions/flatpak-builder@v6
+      with:
+        bundle: ${{ env.APP_NAME }}.flatpak
+        manifest-path: vu.b4.alsa-scarlett-gui.yml
+        cache-key: flatpak-builder-${{ github.sha }}
+
+    - name: Upload Release Asset
+      uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ github.event.release.upload_url }}
+        asset_path: ./${{ env.APP_NAME }}.flatpak
+        asset_name: ${{ env.APP_NAME }}_${{ env.APP_VERSION }}.flatpak
+        asset_content_type: application/octet-stream