caches.yml

name: Cache invalidation

on:
  workflow_dispatch:

  schedule:
    - cron: 0 7 1 * *

jobs:
  delete:
    name: Deleting
    runs-on: ubuntu-latest

    steps:
      - name: Checkout the repository
        uses: actions/checkout@v4.1.2
        with: { fetch-depth: 0 }

      - name: Install a GitHub CLI cache extension
        run: gh extension install actions/gh-actions-cache
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: Cleanup caches
        run: |
          keys=$(gh actions-cache list -R '${{ github.repository }}' | cut -f1)
          if [ -z "${keys}" ]; then echo 'Nothing to do' && exit 0; fi

          echo Deleting caches...
          for key in ${keys}; do
            gh actions-cache delete "${key}" -R '${{ github.repository }}' --confirm || true
          done
          echo Done
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  notify:
    name: Notifying
    needs: [ delete ]
    runs-on: ubuntu-latest
    if: failure() || success()

    steps:
      - name: Send Slack notification
        uses: rtCamp/action-slack-notify@v2.3.0
        env:
          SLACK_COLOR: ${{ contains(needs.*.result, 'failure') && 'failure' || 'success' }}
          SLACK_ICON: https://github.com/github.png?size=64
          SLACK_TITLE: '🧹 ${{ github.repository }}: ${{ github.workflow }}'
          SLACK_USERNAME: GitHub Actions
          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}