sync_readme.yml

name: Sync README across Repositories

on:
  # Triggers the workflow on push to the main branch of the source repository
  push:
    branches: [ main ]
    paths: 
      - 'README.md'
  
  # Allow manual triggering of the workflow
  workflow_dispatch:

jobs:
  sync-readme:
    runs-on: ubuntu-latest
    
    steps:
    # Checkout the repository
    - uses: actions/checkout@v4
    
    # Set up Python
    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: '3.9'
    
    # Install dependencies
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install PyGithub
    
    # Run the sync script
    - name: Sync README
      env:
        # Use GitHub Actions secret for authentication
        GITHUB_TOKEN: ${{ secrets.SYNC_README_TOKEN }}
      run: |
        ```python
import os
from github import Github
from github.GithubException import UnknownObjectException

def sync_readme(org_name, repo_a_name, repo_b_name, target_subdir):
    github_token = os.environ.get('GITHUB_TOKEN')
    if not github_token:
        raise ValueError("GitHub token must be set")
    
    g = Github(github_token)
    
    try:
        org = g.get_organization(org_name)
        repo_a = org.get_repo(repo_a_name)
        repo_b = org.get_repo(repo_b_name)
        
        try:
            readme_a = repo_a.get_contents("README.md")
        except UnknownObjectException:
            print(f"No README.md found in {repo_a_name}")
            return
        
        target_path = f"{target_subdir}/lunch-and-learn.md"
        
        try:
            existing_readme = repo_b.get_contents(target_path)
            repo_b.update_file(
                path=target_path, 
                message=f"Update README from {repo_a_name}", 
                content=readme_a.decoded_content, 
                sha=existing_readme.sha
            )
            print(f"Updated README in {repo_b_name}/{target_path}")
        except UnknownObjectException:
            repo_b.create_file(
                path=target_path, 
                message=f"Add README from {repo_a_name}", 
                content=readme_a.decoded_content
            )
            print(f"Created README in {repo_b_name}/{target_path}")
    
    except Exception as e:
        print(f"An error occurred: {e}")

# Replace these with your specific repository details
sync_readme(
    org_name="nimh-dsst", 
    repo_a_name="lunch-and-learn", 
    repo_b_name="dsst-rtd", 
    target_subdir="docs"
)
EOF