delete-old-runs.yml

name: Delete old workflow runs
on:
  workflow_dispatch:
    inputs:
      days:
        description: 'Number of days.'
        required: true
        default: '30'
      minimum_runs:
        description: 'The minimum runs to keep for each workflow.'
        required: true
        default: '6'
  schedule:
    - cron: '0 4 * * *'

jobs:
  delete_old_workflows:
    runs-on: ubuntu-latest
    steps:
      - name: Set the variables
        env:
          DEFAULT_DAYS: 14
          DEFAULT_MINIMUM_RUNS: 3
        run: |
          echo "DAYS=${{ github.event.inputs.days || env.DEFAULT_DAYS }}" >> "${GITHUB_ENV}"
          echo "MINIMUM_RUNS=${{ github.event.inputs.minimum_runs || env.DEFAULT_MINIMUM_RUNS }}" >> "${GITHUB_ENV}"
      - name: Delete workflow runs
        uses: Mattraks/delete-workflow-runs@v2
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          repository: ${{ github.repository }}
          retain_days: ${{ env.DAYS }}
          keep_minimum_runs: ${{ env.MINIMUM_RUNS }}