# Simple job to clear the cache used by a workflow. This automatically runs when a PR is closed/merged
# to clean up the corresponding PR's cache.

name: "clear workflow cache"

on:
  workflow_dispatch:
    inputs:
      id:
        description: "Which id to clear. Type main/master/all to clean all, and keep-main/keep-master to clean all but the main branch."
        required: false
  pull_request:
    types:
      - closed
  schedule:
    - cron: "0 11 * * 0"

permissions: {}

jobs:
  clear-cache:
    permissions:
      actions: write
    if: ${{ github.event_name != 'pull_request' || ! github.event.pull_request.head.repo.fork }} # If it is a PR, only if not a fork
    runs-on: ubuntu-24.04
    env:
      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          fetch-depth: 1

      # We run each script twice with a small delay in between to try and catch everything.
      - name: Clear cache
        run: |
          if [[ -n "${{ github.event.schedule }}" ]]; then
            python ./scripts/clear_cache.py keep-main
            sleep 5
            python ./scripts/clear_cache.py keep-main
          elif [[ -z "${{ github.event.inputs.id }}" ]]; then
            python ./scripts/clear_cache.py ${{ github.event.pull_request.number }}
            sleep 5
            python ./scripts/clear_cache.py ${{ github.event.pull_request.number }}
          else
            python ./scripts/clear_cache.py ${{ github.event.inputs.id }}
            sleep 5
            python ./scripts/clear_cache.py ${{ github.event.inputs.id }}
          fi