test-cache.yml

name: Test cache
on:
  push:
    branches:
      - 'main'
      - 'releases/**'
  pull_request:
  workflow_dispatch:

jobs:
  test_cache:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - uses: actions/cache@v4
      id: cache
      with:
        path: ${{ runner.temp }}/test_cache.img
        key: ${{ hashFiles('**/test-cache.yml') }}-${{ hashFiles('**/*.sh') }}

    - uses: ./ # pguyot/arm-runner-action@HEAD
      id: install_deps
      if: steps.cache.outputs.cache-hit != 'true'
      with:
        # we don't want to optimize as it's two-stage
        optimize_image: no
        commands: |
          set -e
          test ! -f /usr/games/fortune
          apt update
          apt install -y fortunes-min fortune cowsay

    - name: Move and rename image with dependencies
      if: steps.cache.outputs.cache-hit != 'true'
      run: |
        mv ${{ steps.install_deps.outputs.image }} ${{ runner.temp }}/test_cache.img

    - uses: ./ # pguyot/arm-runner-action@HEAD
      with:
        base_image: file://${{ runner.temp }}/test_cache.img
        commands: |
          /usr/games/fortune /usr/share/games/fortunes/fortunes | /usr/games/cowsay

  check_cache:
    runs-on: ubuntu-latest
    needs: [test_cache]
    steps:
    - uses: actions/checkout@v4
    - uses: actions/cache@v4
      with:
        path: ${{ runner.temp }}/test_cache.img
        key: ${{ hashFiles('**/test-cache.yml') }}-${{ hashFiles('**/*.sh') }}
        fail-on-cache-miss: true