cache-buster.yml

---
name: Bust Runner Caches

on:
  workflow_dispatch:
  schedule:
    # https://crontab.guru/#0_0_*_*_0
    - cron: '0 0 * * 0'

# Disable permissions for all available scopes.
# Enable permissions for specific scopes as needed on job level.
permissions: {}

concurrency:
  group: ${{ github.workflow }}-${{ github.event_name == 'pull_request' && github.head_ref || github.ref }}
  cancel-in-progress: true

jobs:
  bust-cache:
    runs-on: ubuntu-latest
    permissions:
      actions: write
    steps:
      - name: Bust cache
        uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea #v7.0.1
        with:
          script: |
            const caches = await github.rest.actions.getActionsCacheList({
              owner: context.repo.owner,
              repo: context.repo.repo,
            })
            for (const cache of caches.data.actions_caches) {
              console.log(`Clearing ${cache.id}`)
              github.rest.actions.deleteActionsCacheById({
                owner: context.repo.owner,
                repo: context.repo.repo,
                cache_id: cache.id,
              })
            }
            console.log(`Caches cleared at ${new Date().toISOString()}`)