cleanup.yml

name: clean cache

on:
  workflow_dispatch:

jobs:
  cleanup:
    runs-on: ubuntu-latest
    permissions:
      actions: write
    steps:
      - name: Prune GHA Caches
        run: |
          echo "Fetching caches"
          cacheKeys=($(gh cache list --ref $GH_REF --limit 100 --json id --jq '.[].id'))

          ## Setting this to not fail the workflow while deleting cache keys.
          set +e
          echo "Deleting ${#cacheKeys[@]} caches..."
          for cacheKey in "${cacheKeys[@]}"
          do
              echo "Delete cache $cacheKey"
              gh cache delete $cacheKey
          done
          echo "Done"
        env:
          GH_TOKEN: ${{ github.token }}
          GH_REPO: ${{ github.repository }}
          GH_REF: ${{ github.ref }}