update-frontmatter.yml

name: Update Frontmatter

on:
  push:
    branches:
      - 'main'
    paths:
      - 'content/docs/**/*.md'
      - '!content/docs/README.md' # Exclude the README.md file
      - '!content/docs/shared-content/**/*.md' # Exclude the shared-content folder

jobs:
  update-date:
    runs-on: ubuntu-latest
    if: ${{ !contains(github.event.head_commit.message, 'auto-update') }}

    steps:
    - name: Checkout repository
      uses: actions/checkout@v2
      with:
        fetch-depth: 2
        token: ${{ secrets.ACCESS_TOKEN }}
        # ACCESS_TOKEN is a personal access token with repo scope
        # it needs to be updated in the repo secrets when it expires - Nov 10, 2024

    - name: Set up Node.js
      uses: actions/setup-node@v2
      with:
        node-version: 18

    - name: Get list of modified files
      id: get-modified-files
      run: |
        modified_files=$(git diff --name-only HEAD^ HEAD | grep '^content/docs/.*\.md$' | xargs)
        echo "Modified files: $modified_files"
        if [ -z "$modified_files" ]; then
          echo "No modified Markdown files to update."
          exit 0
        fi
        echo "modified_files=$modified_files" >> $GITHUB_OUTPUT

    - name: Install packages
      run: npm ci
      
    - name: Run update script
      run: node src/scripts/update-frontmatter.js ${{ steps.get-modified-files.outputs.modified_files }}

    - name: Commit changes
      run: |
        git config user.name "GitHub Action"
        git config user.email "action@github.com"
        export HUSKY=0
        git add -A
        # Check for meaningful changes before committing
        if [ -n "$(git status --porcelain)" ]; then
          # Commit only modified markdown files, not all changes
          git commit -m "chore: update frontmatter date (auto-update)" ${{ steps.get-modified-files.outputs.modified_files }}
          echo "Changes committed"
        else
          echo "No significant changes to commit"
          exit 0
        fi

    - name: Pull latest changes
      run: git pull --rebase

    - name: Push changes
      run: git push origin HEAD:main
      env:
        ACCESS_TOKEN: ${{ secrets.ACCESS_TOKEN }}