setup-java/.github/workflows/warp-cache-e2e.yml at main · WarpBuilds/setup-java · GitHub

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name: warp-cache-e2e

on:
  pull_request:
    paths-ignore:
      - '**.md'
  push:
    branches:
      - main
    paths-ignore:
      - '**.md'
  workflow_dispatch:

permissions:
  contents: read

jobs:
  save:
    name: save (${{ matrix.os }})
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os:
          [
            warp-ubuntu-latest-x64-2x,
            warp-windows-2022-x64-4x,
            warp-macos-15-arm64-6x
          ]
    steps:
      - uses: actions/checkout@v7
        with:
          persist-credentials: false

      # The cache key is derived from this file's hash, so a per-run value
      # guarantees a fresh key and a genuine miss -> save -> hit round trip.
      - name: Write run-unique pom
        shell: bash
        env:
          RUN_ID: ${{ github.run_id }}
          RUN_ATTEMPT: ${{ github.run_attempt }}
        run: |
          mkdir -p warp-fixture
          printf '<project><!-- warp-cache-e2e %s-%s --></project>\n' \
            "$RUN_ID" "$RUN_ATTEMPT" > warp-fixture/pom.xml

      - name: Setup Java
        id: setup
        uses: ./
        with:
          distribution: temurin
          java-version: '21'
          cache: maven
          cache-dependency-path: warp-fixture/pom.xml

      - name: Assert cache miss on a fresh key
        shell: bash
        env:
          PRIMARY_KEY: ${{ steps.setup.outputs.cache-primary-key }}
          CACHE_HIT: ${{ steps.setup.outputs.cache-hit }}
        run: |
          echo "primary-key: $PRIMARY_KEY"
          if [ "$CACHE_HIT" != "false" ]; then
            echo "expected a miss on a run-unique key, got cache-hit=$CACHE_HIT"
            exit 1
          fi

      # Give the post step real bytes to upload without a full maven resolve.
      - name: Populate the maven repository
        shell: bash
        env:
          RUN_ID: ${{ github.run_id }}
        run: |
          mkdir -p "$HOME/.m2/repository"
          echo "warp-cache-e2e $RUN_ID" > "$HOME/.m2/repository/warp-e2e.txt"

  restore:
    name: restore (${{ matrix.os }})
    needs: save
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os:
          [
            warp-ubuntu-latest-x64-2x,
            warp-windows-2022-x64-4x,
            warp-macos-15-arm64-6x
          ]
    steps:
      - uses: actions/checkout@v7
        with:
          persist-credentials: false

      - name: Write the same run-unique pom
        shell: bash
        env:
          RUN_ID: ${{ github.run_id }}
          RUN_ATTEMPT: ${{ github.run_attempt }}
        run: |
          mkdir -p warp-fixture
          printf '<project><!-- warp-cache-e2e %s-%s --></project>\n' \
            "$RUN_ID" "$RUN_ATTEMPT" > warp-fixture/pom.xml

      - name: Setup Java
        id: setup
        uses: ./
        with:
          distribution: temurin
          java-version: '21'
          cache: maven
          cache-dependency-path: warp-fixture/pom.xml

      - name: Assert the cache saved by the save job was restored
        shell: bash
        env:
          CACHE_HIT: ${{ steps.setup.outputs.cache-hit }}
        run: |
          if [ "$CACHE_HIT" != "true" ]; then
            echo "expected an exact-key hit on the cache saved by the save job"
            exit 1
          fi
          test -f "$HOME/.m2/repository/warp-e2e.txt"
          echo "restored marker: $(cat "$HOME/.m2/repository/warp-e2e.txt")"