main.yml

name: Extract HTML Info

on:
  push:
    branches: [ gh-pages ]
    paths:
    - '**.html'

jobs:
  extract-info:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v2
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          fetch-depth: 0
          
      - name: Check Commit Message
        id: check_msg
        run: |
          commit_msg=$(git log --format=%B -n 1)
          if [[ "$commit_msg" == "Sync files from source repo" ]]; then
            echo "::set-output name=run_job::true"
          else
            echo "::set-output name=run_job::false"
          fi

      - name: Set up Python
        uses: actions/setup-python@v2
        if: steps.check_msg.outputs.run_job == 'true'
        with:
          python-version: '3.x'

      - name: Install Dependencies
        if: steps.check_msg.outputs.run_job == 'true'
        run: |
          python -m pip install --upgrade pip
          pip install beautifulsoup4

      - name: Get Changed HTML Files
        id: getfile
        if: steps.check_msg.outputs.run_job == 'true'
        run: |
          changed_files=$(git diff --name-only HEAD~1 HEAD | grep '\.html')
          echo "::set-output name=file::$changed_files"

      - name: Extract Info from HTML Files
        if: steps.check_msg.outputs.run_job == 'true'
        run: |
          for file in ${{ steps.getfile.outputs.file }}
          do
            python extract_info.py $file
          done
          
      - name: Commit and Push New File
        if: steps.check_msg.outputs.run_job == 'true'
        run: |
          git config user.name "GitHub Action"
          git config user.email "action@github.com"
          git add .
          git commit -m "Add new HTML file" || echo "No changes to commit"
          git push -f origin gh-pages