.github/workflows/maven.yml

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name: Java CI

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

# allow single build per branch or PR
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

# clear all permissions for GITHUB_TOKEN
permissions: {}

env:
  # Keep in sync with mimir testing version in pom.xml
  MIMIR_VERSION: 0.12.0
  MIMIR_BASEDIR: ~/.mimir
  MIMIR_LOCAL: ~/.mimir/local
  MAVEN_OPTS: -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=./target/java_heapdump.hprof
  # The Google Cloud mirror of Central lags a fresh release: 4.0.0-rc-6 was
  # still a 404 there days after Central served it, so the wrapper could not
  # fetch the distribution this workflow had just asked for. Unset, the
  # wrapper downloads from Central. Uncomment to put the mirror back once its
  # sync latency stops breaking release-day builds.
  # MVNW_REPOURL: https://maven-central.storage-download.googleapis.com/maven2

jobs:
  initial-build:
    runs-on: ubuntu-latest
    steps:
      - name: Set up JDK
        uses: actions/setup-java@b6effb05e454b25005698d916606bdc6ffcbf961 # v5.7.0
        with:
          java-version: 17
          distribution: 'temurin'

      - name: Checkout maven
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false

      - name: Verify Mimir version alignment
        shell: bash
        run: |
          POM_VERSION=$(grep -A2 'eu.maveniverse.maven.mimir' pom.xml | grep '<version>' | sed 's/.*<version>\(.*\)<\/version>.*/\1/')
          if [ "$POM_VERSION" != "${{ env.MIMIR_VERSION }}" ]; then
            echo "::error::MIMIR_VERSION (${{ env.MIMIR_VERSION }}) does not match pom.xml ($POM_VERSION) — update MIMIR_VERSION in this workflow"
            exit 1
          fi

      - name: Prepare Mimir for Maven 3.x
        shell: bash
        run: |
          mkdir -p ${{ env.MIMIR_BASEDIR }}
          cp .github/ci-mimir-session.properties ${{ env.MIMIR_BASEDIR }}/session.properties
          cp .github/ci-mimir-daemon.properties ${{ env.MIMIR_BASEDIR }}/daemon.properties
          cp .github/ci-extensions.xml .mvn/extensions.xml

      - name: Restore Mimir caches
        uses: actions/cache/restore@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        with:
          path: ${{ env.MIMIR_LOCAL }}
          key: master-${{ runner.os }}-${{ github.run_id }}
          restore-keys: |
            master-${{ runner.os }}-
            master-

      - name: Set up Maven
        shell: bash
        run: mvn --errors --batch-mode --show-version org.apache.maven.plugins:maven-wrapper-plugin:3.3.4:wrapper "-Dmaven=4.0.0-rc-6"

      - name: Prepare Mimir for Maven 4.x
        shell: bash
        run: |
          rm .mvn/extensions.xml
          mkdir -p ~/.m2
          cp .github/ci-extensions.xml ~/.m2/extensions.xml

      - name: Build Maven distributions
        shell: bash
        run: ./mvnw verify -e -B -V

      - name: List contents of target directory
        shell: bash
        run: ls -la apache-maven/target

      - name: Upload Mimir caches
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        if: ${{ !cancelled() && !failure() }}
        with:
          name: cache-${{ runner.os }}-initial
          retention-days: 1
          path: ${{ env.MIMIR_LOCAL }}

      - name: Upload Maven distributions
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        with:
          name: maven-distributions
          path: |
            apache-maven/target/apache-maven*.zip
            apache-maven/target/apache-maven*.tar.gz

      - name: Upload test artifacts
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        if: ${{ failure() || cancelled() }}
        with:
          name: initial-logs
          retention-days: 1
          path: |
            **/target/surefire-reports/*
            **/target/java_heapdump.hprof

      - name: Upload Mimir logs
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        if: always()
        with:
          name: initial-mimir-logs
          include-hidden-files: true
          retention-days: 1
          path: |
            ~/.mimir/*.log

  full-build:
    needs: initial-build
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        java: ['17', '21', '25']
    steps:
      - name: Set up JDK ${{ matrix.java }}
        uses: actions/setup-java@b6effb05e454b25005698d916606bdc6ffcbf961 # v5.7.0
        with:
          java-version: ${{ matrix.java }}
          distribution: 'temurin'

      - name: Install Graphviz (MacOS)
        if: runner.os == 'macOS'
        run: brew install graphviz

      - name: Install Graphviz (Ubuntu)
        if: runner.os == 'Linux'
        run: sudo apt-get install graphviz

      - name: Install Graphviz (Windows)
        if: runner.os == 'Windows'
        run: choco install graphviz

      - name: Checkout maven
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false

      - name: Prepare Mimir for Maven 4.x
        shell: bash
        run: |
          mkdir -p ${{ env.MIMIR_BASEDIR }}
          cp .github/ci-mimir-session.properties ${{ env.MIMIR_BASEDIR }}/session.properties
          cp .github/ci-mimir-daemon.properties ${{ env.MIMIR_BASEDIR }}/daemon.properties
          mkdir -p ~/.m2
          cp .github/ci-extensions.xml ~/.m2/extensions.xml

      - name: Restore Mimir caches
        uses: actions/cache/restore@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        with:
          path: ${{ env.MIMIR_LOCAL }}
          key: master-${{ runner.os }}-${{ github.run_id }}
          restore-keys: |
            master-${{ runner.os }}-
            master-

      - name: Download Maven distribution
        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
        with:
          name: maven-distributions
          path: maven-dist

      - name: List downloaded files
        shell: bash
        run: ls -la maven-dist

      - name: Extract Maven distribution
        shell: bash
        run: |
          mkdir -p maven-local
          if [ "${{ runner.os }}" = "Windows" ]; then
            unzip maven-dist/apache-maven-*-bin.zip -d maven-local
            # Get the name of the extracted directory
            MAVEN_DIR=$(ls maven-local)
            # Move contents up one level
            mv "maven-local/$MAVEN_DIR"/* maven-local/
            rm -r "maven-local/$MAVEN_DIR"
          else
            tar xzf maven-dist/apache-maven-*-bin.tar.gz -C maven-local --strip-components 1
          fi
          echo "MAVEN_HOME=$PWD/maven-local" >> $GITHUB_ENV
          echo "$PWD/maven-local/bin" >> $GITHUB_PATH

      - name: Build with downloaded Maven
        shell: bash
        run: mvn verify -Papache-release -Dgpg.skip=true -e -B -V

      - name: Build site with downloaded Maven
        shell: bash
        run: mvn site -e -B -V -Preporting

      - name: Upload Mimir caches
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        if: ${{ !cancelled() && !failure() }}
        with:
          name: cache-${{ runner.os }}-full-build-${{ matrix.java }}
          retention-days: 1
          path: ${{ env.MIMIR_LOCAL }}

      - name: Upload test artifacts
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        if: failure() || cancelled()
        with:
          name: full-build-logs-${{ runner.os }}-${{ matrix.java }}
          retention-days: 1
          path: |
            **/target/surefire-reports/*
            **/target/java_heapdump.hprof

      - name: Upload Mimir logs
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        if: always()
        with:
          name: full-build-mimir-logs-${{ runner.os }}-${{ matrix.java }}
          include-hidden-files: true
          retention-days: 1
          path: |
            ~/.mimir/*.log

  integration-tests:
    needs: initial-build
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        java: ['17', '21', '25']
    steps:
      - name: Set up JDK ${{ matrix.java }}
        uses: actions/setup-java@b6effb05e454b25005698d916606bdc6ffcbf961 # v5.7.0
        with:
          java-version: ${{ matrix.java }}
          distribution: 'temurin'

      - name: Checkout maven
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false

      - name: Prepare Mimir for Maven 4.x
        shell: bash
        run: |
          mkdir -p ${{ env.MIMIR_BASEDIR }}
          cp .github/ci-mimir-session.properties ${{ env.MIMIR_BASEDIR }}/session.properties
          cp .github/ci-mimir-daemon.properties ${{ env.MIMIR_BASEDIR }}/daemon.properties
          mkdir -p ~/.m2
          cp .github/ci-extensions.xml ~/.m2/extensions.xml

      - name: Restore Mimir caches
        uses: actions/cache/restore@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        with:
          path: ${{ env.MIMIR_LOCAL }}
          key: master-${{ runner.os }}-${{ github.run_id }}
          restore-keys: |
            master-${{ runner.os }}-
            master-

      - name: Download Maven distribution
        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
        with:
          name: maven-distributions
          path: maven-dist

      - name: List downloaded files
        shell: bash
        run: ls -la maven-dist

      - name: Extract Maven distribution
        shell: bash
        run: |
          mkdir -p maven-local
          if [ "${{ runner.os }}" = "Windows" ]; then
            unzip maven-dist/apache-maven-*-bin.zip -d maven-local
            # Get the name of the extracted directory
            MAVEN_DIR=$(ls maven-local)
            # Move contents up one level
            mv "maven-local/$MAVEN_DIR"/* maven-local/
            rm -r "maven-local/$MAVEN_DIR"
          else
            tar xzf maven-dist/apache-maven-*-bin.tar.gz -C maven-local --strip-components 1
          fi
          echo "MAVEN_HOME=$PWD/maven-local" >> $GITHUB_ENV
          echo "$PWD/maven-local/bin" >> $GITHUB_PATH

      - name: Build Maven and ITs and run them
        shell: bash
        run: mvn install -e -B -V -Prun-its,mimir

      - name: Upload Mimir caches
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        if: ${{ !cancelled() && !failure() }}
        with:
          name: cache-${{ runner.os }}-integration-tests-${{ matrix.java }}
          retention-days: 1
          path: ${{ env.MIMIR_LOCAL }}

      - name: Upload test artifacts
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        if: ${{ failure() || cancelled() }}
        with:
          name: integration-test-logs-${{ runner.os }}-${{ matrix.java }}
          retention-days: 1
          path: |
            **/target/surefire-reports/*
            **/target/failsafe-reports/*
            ./its/core-it-suite/target/test-classes/**
            **/target/java_heapdump.hprof

      - name: Upload Mimir logs
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        if: always()
        with:
          name: integration-test-mimir-logs-${{ runner.os }}-${{ matrix.java }}
          include-hidden-files: true
          retention-days: 1
          path: |
            ~/.mimir/*.log

  consolidate-caches:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
    needs:
      - full-build
      - integration-tests
    steps:
      - name: Download Caches
        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
        with:
          merge-multiple: true
          pattern: 'cache-${{ runner.os }}*'
          path: ${{ env.MIMIR_LOCAL }}
      - name: Publish cache
        uses: actions/cache/save@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        if: ${{ github.event_name != 'pull_request' && !cancelled() && !failure() }}
        with:
          path: ${{ env.MIMIR_LOCAL }}
          key: master-${{ runner.os }}-${{ github.run_id }}