update-gradle-cache.yml

name: update gradle cache
# Updated cache will be used for subsequent builds/checks.
# (It's not possible to define dependencies between Git Action workflows, so
# other, pararell will run with old dependency cache)

on:
  push:
    branches: [ main ] # Just in case main was not up to date while merging PR
  pull_request:
    types: [ opened, synchronize ]

jobs:
  run:
    continue-on-error: false
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
    steps:
      - name: checkout
        uses: actions/checkout@v3

      - name: Set up JDK
        uses: actions/setup-java@v3
        with:
          java-version: 17
          distribution: 'zulu'

      - name: Generate Gradle checksums
        run: |
          find "." -name "gradle.lockfile" -type f | sort | xargs shasum  > gradle-checksums.txt
          cat gradle-checksums.txt

      - uses: actions/cache@v3
        with:
          path: ~/.gradle
          key: gradle-${{ hashFiles('gradle-checksums.txt') }}-${{ hashFiles('gradle/wrapper/gradle-wrapper.properties') }}
          restore-keys: |
            gradle-${{ hashFiles('gradle-checksums.txt') }}-

      - name: Download Dependencies
        run: ./gradlew test