pr-cleanup.yml

# Delete Docker images, caches and artifacts after PR merge
name: 'Clean Up PR'

on:
  pull_request:
    types: [closed]
  workflow_dispatch:

jobs:
  purge-docker:
    name: Delete build artifacts and preview images
    strategy:
      fail-fast: false
    runs-on: ubuntu-latest
    steps:
      - uses: chipkent/action-cleanup-package@v1.0.3
        with:
          package-name: ${{ github.event.repository.name }}/dali
          tag: ${{ github.head_ref }}
          github-token: ${{ secrets.GITHUB_TOKEN }}
  purge-artifacts:
    name: Delete build artifacts and preview images
    strategy:
      fail-fast: false
    runs-on: ubuntu-latest
    steps:
      - uses: stefanluptak/delete-old-pr-artifacts@v1
        with:
          workflow_filename: pull-requests-tests.yml
          debug: true
  cleanup:
    name: Clean up branch caches
    strategy:
      fail-fast: false
    runs-on: ubuntu-latest
    permissions:
      # `actions:write` permission is required to delete caches
      #   See also: https://docs.github.com/en/rest/actions/cache?apiVersion=2022-11-28#delete-a-github-actions-cache-for-a-repository-using-a-cache-id
      actions: write
      contents: read
    steps:
      - name: Check out code
        uses: actions/checkout@v3

      - name: Cleanup
        run: |
          gh extension install actions/gh-actions-cache

          REPO=${{ github.repository }}
          BRANCH=refs/pull/${{ github.event.pull_request.number }}/merge

          echo "Fetching list of cache key"
          cacheKeysForPR=$(gh actions-cache list -R $REPO -B $BRANCH | cut -f 1 )

          ## Setting this to not fail the workflow while deleting cache keys.
          set +e
          echo "Deleting caches..."
          for cacheKey in $cacheKeysForPR
          do
              gh actions-cache delete $cacheKey -R $REPO -B $BRANCH --confirm
          done
          echo "Done"
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}