name: CI

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - master

env:
  USE_JAVA_DISTRIBUTION: 'zulu'
  USE_JAVA_VERSION: '11'
  # This is required by Gradle 8.0+.
  USE_JAVA_VERSION_FOR_GRADLE_PLUGIN: '17'
  # Required by JDK Toolchain Configuration
  USE_JAVA_VERSION_FOR_GRADLE: '18'
  # The default Maven 3.9.0 has a regression so we manually install 3.8.7.
  # https://issues.apache.org/jira/browse/MNG-7679
  USE_MAVEN_VERSION: '3.8.7'

jobs:
  validate-latest-dagger-version:
    name: 'Validate Dagger version'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/prechecks
  bazel-build:
    name: 'Bazel build'
    needs: validate-latest-dagger-version
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/bazel-build
  bazel-test:
    name: 'Bazel tests'
    needs: validate-latest-dagger-version
    runs-on:
      group: large-runner-group
      labels: ubuntu-22.04-16core
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/bazel-test
  gradle-build:
    name: 'Gradle build'
    runs-on:
      group: large-runner-group
      labels: ubuntu-22.04-16core
    steps:
    - uses: actions/checkout@v4
    - uses: ./.github/actions/gradle-build
  artifact-verification-tests:
    name: 'Artifact verification tests'
    needs: bazel-build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/artifact-verification-tests
  artifact-java-local-tests:
    name: 'Artifact Java local tests'
    needs: bazel-build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/artifact-java-local-tests
  test-gradle-plugin:
    name: 'Test Hilt Gradle plugin'
    needs: bazel-build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/test-gradle-plugin
  artifact-android-local-tests:
    name: 'Artifact Android local tests (AGP ${{ matrix.agp }})'
    needs: bazel-build
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - agp: '8.1.1'
            jdk: '17'
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/artifact-android-local-tests
        with:
          agp: '${{ matrix.agp }}'
          jdk: '${{ matrix.jdk }}'
  artifact-android-emulator-legacy-api-tests:
    name: 'Artifact Android emulator tests (API ${{ matrix.api-level }})'
    # We only run this on master push (essentially a postsubmit) since these
    # can take a while to run
    if: github.event_name == 'push' && github.repository == 'google/dagger' && github.ref == 'refs/heads/master'
    needs: bazel-build
    # It's recommended to run emulator tests on macOS
    # See https://github.com/marketplace/actions/android-emulator-runner
    runs-on: macos-latest
    strategy:
      matrix: # Run on 16 (PreL), 21 (L), and 26 (O).
        api-level: [16, 21, 26, 30]
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/artifact-android-emulator-tests
        timeout-minutes: 35
        with:
          api-level: '${{ matrix.api-level }}'
  publish-snapshot:
    name: 'Publish snapshot'
    # TODO(bcorso): Consider also waiting on artifact-android-emulator-tests
    # and artifact-android-emulator-legacy-api-tests after checking flakiness.
    needs: [
      bazel-test,
      artifact-verification-tests,
      artifact-java-local-tests,
      artifact-android-local-tests,
      test-gradle-plugin
    ]
    if: github.event_name == 'push' && github.repository == 'google/dagger' && github.ref == 'refs/heads/master'
    runs-on: ubuntu-latest
    steps:
      - name: 'Install Java ${{ env.USE_JAVA_VERSION }}'
        uses: actions/setup-java@v4
        with:
          distribution: '${{ env.USE_JAVA_DISTRIBUTION }}'
          java-version: '${{ env.USE_JAVA_VERSION }}'
          server-id: sonatype-nexus-snapshots
          server-username: CI_DEPLOY_USERNAME
          server-password: CI_DEPLOY_PASSWORD
      - name: 'Check out repository'
        uses: actions/checkout@v4
      - name: 'Cache local Maven repository'
        uses: actions/cache@v4
        with:
          path: |
            ~/.m2/repository
            !~/.m2/repository/com/google/dagger
          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
          restore-keys: |
            ${{ runner.os }}-maven-
      - name: 'Cache Bazel files'
        uses: actions/cache@v4
        with:
          path: ~/.cache/bazel
          key: ${{ runner.os }}-bazel-build-${{ github.sha }}
          restore-keys: |
            ${{ runner.os }}-bazel-build-
      - name: 'Cache Gradle files'
        uses: actions/cache@v4
        with:
          path: |
            ~/.gradle/caches
            ~/.gradle/wrapper
          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
          restore-keys: |
            ${{ runner.os }}-gradle-
      - name: 'Publish latest docs'
        run: ./util/generate-latest-docs.sh
        shell: bash
        env:
          GH_TOKEN: ${{ github.token }}
      - name: 'Publish latest snapshot'
        run: |
          util/deploy-all.sh \
            "deploy:deploy-file" \
            "HEAD-SNAPSHOT" \
            "-DrepositoryId=sonatype-nexus-snapshots" \
            "-Durl=https://oss.sonatype.org/content/repositories/snapshots"
        shell: bash
        env:
          CI_DEPLOY_USERNAME: ${{ secrets.CI_DEPLOY_USERNAME }}
          CI_DEPLOY_PASSWORD: ${{ secrets.CI_DEPLOY_PASSWORD }}
      - name: 'Clean bazel cache'
        # According to the documentation, we should be able to exclude these via
        # the actions/cache path, e.g. "!~/.cache/bazel/*/*/external/" but that
        # doesn't seem to work.
        run: |
          rm -rf $(bazel info repository_cache)
          rm -rf ~/.cache/bazel/*/*/external/
        shell: bash
  build-gradle-plugin-latest-agp:
    name: 'Build Hilt Gradle plugin against latest AGP version'
    # We only run this on master push (essentially a postsubmit) since we
    # don't want this job to prevent merges
    if: github.event_name == 'push' && github.repository == 'google/dagger' && github.ref == 'refs/heads/master'
    needs: bazel-build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/build-gradle-plugin
        with:
          agp: '+'
  cleanup-caches:
    name: 'Clean up GitHub Action caches'
    # TODO(bcorso): Consider also waiting on artifact-android-emulator-tests
    # and artifact-android-emulator-legacy-api-tests after checking flakiness.
    needs: [
      bazel-test,
      artifact-verification-tests,
      artifact-java-local-tests,
      artifact-android-local-tests,
      test-gradle-plugin
    ]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: ./.github/actions/cleanup-caches