delete-unused-caches.yml

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##  !!!! Autogenerated YAML file, do not edit !!!!  ##
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##  Edit source in /src/github/workflows/ instead!  ##
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jobs:
  cleanup:
    runs-on: ubuntu-latest
    steps:
    - name: Check out code
      uses: actions/checkout@v4
    - env:
        GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      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.
        ## Andreas, 2023-01-23: Do not swallow errors here!
        # set +e
        echo "Deleting caches..."
        for cacheKey in $cacheKeysForPR
        do
            echo "- ${cacheKey}"
            gh actions-cache delete $cacheKey -R $REPO -B $BRANCH --confirm
        done
        echo "Done"
name: Clear cache of closed PR
'on':
  pull_request:
    types:
    - closed