build.yml

name: Build APK

# Every branch gets a build (download it from the run's artifacts); only
# main publishes to the "latest" release.
on:
  push:
  workflow_dispatch:

permissions:
  contents: write

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: 17

      - uses: gradle/actions/setup-gradle@v4
        with:
          gradle-version: "8.11.1"

      - name: Signing key
        env:
          KEYSTORE_B64: ${{ secrets.KEYSTORE_B64 }}
        run: |
          if [ -n "$KEYSTORE_B64" ]; then echo "$KEYSTORE_B64" | base64 -d > app/release.p12; fi

      - name: Build
        # no API keys here: the published APK must not contain any
        env:
          KEYSTORE_PASSWORD: ${{ secrets.KEYSTORE_PASSWORD }}
        run: gradle :app:assembleRelease --no-daemon --stacktrace

      - name: Fleet survey
        # which buses are on the road, and any the fleet table doesn't know yet
        continue-on-error: true
        env:
          AT_API_KEY: ${{ secrets.AT_API_KEY }}
        run: python3 tools/fleet_survey.py

      - name: Name the APK
        run: cp app/build/outputs/apk/release/app-release.apk AKL-Live.apk

      - uses: actions/upload-artifact@v4
        with:
          name: AKL-Live
          path: AKL-Live.apk

      - name: Publish to the "latest" release
        if: github.ref == 'refs/heads/main'
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          gh release delete latest --yes --cleanup-tag || true
          gh release create latest AKL-Live.apk \
            --title "AKL Live (build ${{ github.run_number }})" \
            --notes "Built from ${{ github.sha }}. Download AKL-Live.apk on your phone and open it to install or update."