gh-release.yml

# Drafts a GitHub release with the APK attached.
name: Draft GitHub release
on:
  workflow_dispatch:
  push:
    tags:
      - v*.*.*
jobs:
  android:
    name: Draft release and attach APK
    runs-on: ubuntu-latest
    environment: release-android
    env:
      UPLOAD_KEYSTORE: ${{ secrets.UPLOAD_KEYSTORE }}
      STORE_PASSWORD: ${{ secrets.STORE_PASSWORD }}
      KEY_PASSWORD: ${{ secrets.KEY_PASSWORD }}
      KEY_FILE_PATH: android/key.properties
      CLIENT_ID: ${{ secrets.CLIENT_ID }}
      SECRET: ${{ secrets.SECRET }}
    steps:
      - name: Checkout Frosty repo
        uses: actions/checkout@v4
      
      # Setup Java so that we can build the APK.
      - name: Set up Java
        uses: actions/setup-java@v3
        with:
          distribution: temurin
          java-version: 21
      
      # Setup and cache Flutter to install packages and build.
      - name: Set up Flutter
        uses: subosito/flutter-action@v2
        with:
          cache: true
      
      # Decode and create the upload-keystore.jks file, used for signing the app.
      - name: Decode and create upload-keystore.jks
        run: echo $UPLOAD_KEYSTORE | base64 --decode > $GITHUB_WORKSPACE/android/upload-keystore.jks
      
      # Create the key.properties file, used for signing the app.
      - name: Create key.properties
        run: |
          echo storePassword=$STORE_PASSWORD >> $KEY_FILE_PATH
          echo keyPassword=$KEY_PASSWORD >> $KEY_FILE_PATH
          echo keyAlias=upload >> $KEY_FILE_PATH
          echo storeFile=$GITHUB_WORKSPACE/android/upload-keystore.jks >> $KEY_FILE_PATH
      
      # Build the APK with the environment variables and move/rename it.
      - name: Build for Android
        run: |
          flutter build apk --dart-define CLIENT_ID=$CLIENT_ID --dart-define SECRET=$SECRET
          mv build/app/outputs/flutter-apk/app-release.apk frosty-${{ github.ref_name }}.apk
      
      # Create a draft release on GitHub.
      - name: Release
        uses: softprops/action-gh-release@v1
        with:
          draft: true
          generate_release_notes: true
          files: frosty-${{ github.ref_name }}.apk