.github/workflows/clear_caches.yml

name: Clear expensive caches to prevent unbound growth

on:
  schedule:
    # Run every Sunday at 10 AM UTC (2 AM PDT)
    - cron: 0 10 * * SUN

  # manual
  workflow_dispatch:

jobs:
  bazel-repository-cache:
    strategy:
      fail-fast: false   # Don't cancel all jobs if one fails.
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
    name: Clear Bazel repository cache ${{ runner.os }}
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/cache@627f0f41f6904a5b1efbaed9f96d9eb58e92e920 # v3.2.4
        with:
          path: ${{ github.workspace }}/${{ steps.output.outputs.repository-cache }}
          key: repository-cache-${{ github.ref_name }}-${{ runner.os }}-reset-${{ github.sha }}

      - run: |
        mkdir -p '${{ github.workspace }}/.repository-cache'
        touch '${{ github.workspace }}/.repository-cache/reset_file'