name: Android CI

on:
  pull_request:
  push:
    branches:
    - 'main'
    - '8.**'

permissions:
  contents: read # to fetch code (actions/checkout)

jobs:
  build:

    runs-on: ubuntu-latest-8-cores

    steps:
    - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
      # gh api repos/actions/checkout/commits/v6 --jq '.sha'
      with:
          submodules: true

    - name: set up JDK 17
      uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5
      # gh api repos/actions/setup-java/commits/v5 --jq '.sha'
      with:
        distribution: temurin
        java-version: 17

    - name: Validate Gradle Wrapper
      uses: gradle/actions/wrapper-validation@50e97c2cd7a37755bbfafc9c5b7cafaece252f6e # v6
      # gh api repos/gradle/actions/commits/v6 --jq '.sha'

    - name: Set up Gradle
      uses: gradle/actions/setup-gradle@50e97c2cd7a37755bbfafc9c5b7cafaece252f6e # v6
      # gh api repos/gradle/actions/commits/v6 --jq '.sha'
      with:
        # Only 8.** branch builds write to the cache; everything else (PRs, etc.) reads only.
        cache-read-only: ${{ !startsWith(github.ref, 'refs/heads/8.') }}
        # Required to persist the Gradle configuration cache across runs.
        cache-encryption-key: ${{ secrets.GRADLE_ENCRYPTION_KEY }}

    # Pull requests run the fast custom linter (ci); pushes to main / 8.x branches run the full
    # Android lint (qa).
    - name: Build with Gradle
      env:
        SIGNAL_BUILD_CACHE_URL: ${{ secrets.SIGNAL_BUILD_CACHE_URL }}
        SIGNAL_BUILD_CACHE_USER: ${{ secrets.SIGNAL_BUILD_CACHE_USER }}
        SIGNAL_BUILD_CACHE_PASSWORD: ${{ secrets.SIGNAL_BUILD_CACHE_PASSWORD }}
        SIGNAL_BUILD_CACHE_PUSH: ${{ startsWith(github.ref, 'refs/heads/8.') }}
      run: ./gradlew ${{ github.event_name == 'pull_request' && 'ci' || 'qa' }}

    - name: Archive reports for failed build
      if: ${{ failure() }}
      uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7
      # gh api repos/actions/upload-artifact/commits/v7 --jq '.sha'
      with:
        name: reports
        path: '*/build/reports'