doctoc.yml

name: Update Table of Contents

on:
  push:
    branches:
      - master
    paths:
      - 'README.md'

jobs:
  update-toc:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout Repository
      uses: actions/checkout@v2

    - name: Run doctoc Docker Container
      run: docker run --rm -v "$(pwd)":/app PeterDaveHello/docker-doctoc doctoc /app/README.md

    - name: Check if README was modified
      id: check-changes
      continue-on-error: true  # Allow non-zero exit code
      run: |
        git diff --exit-code README.md # if README.md was modified, it returns 1 (failure). If it wasn't modified, it returns 0 (success)

    - name: Commit and Push Changes
      if: steps.check-changes.outcome == 'failure'
      run: |
        git config --global user.name "GitHub Actions"
        git config --global user.email "actions@github.com"
        git add README.md
        git commit -m "Update Table of Contents"
        git push