cache-bust.yml

name: Monthly Build

# This workflow simply updates the .cache-buster file, which then:
# - triggers the docker build workflow for the image to be rebuilt
# - busts the docker build cache so each tool is built at its newest version

on:
  schedule:
    # run weekly
    # - cron:  '0 0 * * SUN'
    # run monthly
    - cron:  '0 0 1 * *'

jobs:
  build:
    name: Monthly build
    runs-on: ubuntu-latest

    # Only run on the main branch of the main repo
    if: ${{ github.repository == 'ethack/tht' && github.ref == 'refs/heads/main' }}

    steps:
    - 
      name: Checkout code
      uses: actions/checkout@v3
      with:
        # use a custom PAT in order to trigger other workflows with the push event
        # https://github.com/stefanzweifel/git-auto-commit-action#commits-made-by-this-action-do-not-trigger-new-workflow-runs
        token: ${{ secrets.GH_PAT }}
    -
      name: Overwrite .cache-buster
      run: date --utc --rfc-email > .cache-buster
    -
      name: Push code
      uses: stefanzweifel/git-auto-commit-action@v4
      with:
        commit_message: Monthly build