name: Refresh Repository
on:
  schedule:
  - cron:  "0 0 1 * *"
  workflow_dispatch:

jobs:
  build_db:
    runs-on: ubuntu-latest

    steps:

    - uses: actions/checkout@v2

    - name: Refresh repository by pushing orphan branch
      run: |
        set -euo pipefail
        git config --global user.email theypsilon@gmail.com
        git config --global user.name 'The CI/CD Bot'
        git checkout --orphan refresh
        git reset
        date > date.txt
        git add date.txt
        git commit -m "-"
        git push --force origin refresh
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}