delete_workflows.yml

name: Delete old workflow runs

on:
  schedule:
    - cron: '0 0 * * 0'
  # Weekly (every Sunday at midnight UTC)
  
  workflow_dispatch:
    inputs:
      days:
        description: 'Number of days of runs to retain.'
        required: true
        default: 30
      minimum_runs:
        description: 'Minimum number of runs to keep for each workflow.'
        required: true
        default: 6

jobs:
  del_runs:
    runs-on: ubuntu-latest
    permissions:
      actions: write # Necessary to delete workflow runs
      contents: read # Necessary to read repository contents
    steps:
      - name: Delete workflow runs
        uses: Mattraks/delete-workflow-runs@v2
        with:
          token: ${{ github.token }}
          repository: ${{ github.repository }}
          retain_days: ${{ github.event.inputs.days }}
          keep_minimum_runs: ${{ github.event.inputs.minimum_runs }}