cleanup_cache.yml

name: Cleanup old caches

on:
  schedule:
    - cron: '0 0 1 */2 *'

jobs:
  cleanup:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Setup Git
        run: git config --global user.email "actions@github.com" && git config --global user.name "GitHub Actions"

      - name: Cleanup
        run: |
          gh extension install actions/gh-actions-cache || exit 1
          
          echo "Fetching list of cache keys"
          cacheKeys=$(gh actions-cache list -R R3BRootGroup/R3BRoot -L 100 | cut -f 1 | grep -v 'build-deps') || exit 1

          ## Setting this to not fail the workflow while deleting cache keys. 
          set +e
          echo "Deleting old caches..."
          for cacheKey in $cacheKeys
          do
              gh actions-cache delete $cacheKey -R R3BRootGroup/R3BRoot --confirm || exit 1
          done
          echo "Done"
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}