release.yml

name: Release

on:
  push:
    branches: [main]
  workflow_dispatch:

permissions:
  contents: write

jobs:
  build-and-release:
    runs-on: ubuntu-latest
    timeout-minutes: 30
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Java 17
        uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: "17"

      - name: Set up Flutter
        uses: subosito/flutter-action@v2
        with:
          flutter-version: "3.44.0"
          channel: stable
          cache: true

      - name: Resolve Dart/Flutter dependencies
        run: flutter pub get

      # The drift / riverpod generators are needed because *.g.dart files
      # are gitignored and not committed.
      - name: Run code generators
        run: dart run build_runner build --delete-conflicting-outputs

      - name: Build release APK
        run: flutter build apk --release

      - name: Compute release identifiers
        id: meta
        run: |
          base=$(grep '^version:' pubspec.yaml | awk '{print $2}' | cut -d'+' -f1)
          tag="v${base}-build.${{ github.run_number }}"
          name="mappy ${base} (build ${{ github.run_number }})"
          echo "tag=${tag}" >> "$GITHUB_OUTPUT"
          echo "name=${name}" >> "$GITHUB_OUTPUT"

      - name: Rename APK with version tag
        id: apk
        run: |
          src=build/app/outputs/flutter-apk/app-release.apk
          dst="build/app/outputs/flutter-apk/mappy-${{ steps.meta.outputs.tag }}.apk"
          mv "$src" "$dst"
          sha=$(sha256sum "$dst" | awk '{print $1}')
          echo "path=${dst}" >> "$GITHUB_OUTPUT"
          echo "sha256=${sha}" >> "$GITHUB_OUTPUT"

      - name: Upload APK as workflow artifact
        uses: actions/upload-artifact@v4
        with:
          name: mappy-${{ steps.meta.outputs.tag }}
          path: ${{ steps.apk.outputs.path }}
          if-no-files-found: error
          retention-days: 30

      - name: Create GitHub release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ steps.meta.outputs.tag }}
          name: ${{ steps.meta.outputs.name }}
          generate_release_notes: true
          # Public releases are downloadable without auth on public repos.
          make_latest: "true"
          body: |
            Auto-built APK for commit ${{ github.sha }}.

            **Install:** Download the `.apk` below on an Android device and open
            it. You may need to allow "Install unknown apps" for your browser.

            **Signing:** This build is signed with Flutter's debug keystore.
            It will install fine but is not Play-Store-ready.

            **SHA-256:** `${{ steps.apk.outputs.sha256 }}`
          files: ${{ steps.apk.outputs.path }}