pull_request.yml

name: Checks

on:
  pull_request:
    branches: 
      - master
  workflow_dispatch:

jobs:
  check_def_changed: # evaluate whether build needs to be run / cache updated
    name: Container Changed
    runs-on: ubuntu-latest
    outputs:
      changed: ${{ steps.check_file.outputs.changed }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Check if file changed
        id: check_file
        shell: bash
        run: |
          if [[ $(git diff --name-only origin/master...HEAD -- 'resources/retinal-rl.def') ]]; then
            echo "changed=true" >> $GITHUB_OUTPUT
          else
            echo "changed=false" >> $GITHUB_OUTPUT
          fi
          less $GITHUB_OUTPUT

  ensure_container: # main cache should provide the container if def file not changed
    name: Rebuild container
    needs: check_def_changed
    if: needs.check_def_changed.outputs.changed == 'true'
    uses: ./.github/workflows/update_cache.yml
    with:
      build: true

  checks:
    name: Code Checks
    needs: ensure_container
    if: always()
    uses: ./.github/workflows/code_check.yml