gradle-build-action/.github/workflows/purge-old-workflow-runs.yml

name: Purge old workflow runs
on:
  workflow_dispatch:
    inputs:
      days:
        description: 'Purge runs older than days'
        required: true
        default: 30
      minimum_runs:
        description: 'The minimum runs to keep for each workflow.'
        required: true
        default: 6
      delete_workflow_pattern:
        description: 'The name of the workflow. if not set then it will target all workflows.'
        required: false

jobs:
  del_runs:
    runs-on: ubuntu-latest
    steps:
      - name: Purge 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 }}
          delete_workflow_pattern: ${{ github.event.inputs.delete_workflow_pattern }}