markdownToPDF.yml

name: Converting outbound checklists from .md to .pdf
on:
    pull_request:
        types: [opened, synchronize]
    # Paths can be used to only trigger actions when you have edited checklist files or assets directory
        paths:
        - 'tier*/checklist.md'
        - 'assets/**'

jobs:
  get-updated-files:
    name: Get changed directories
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: ${{ github.head_ref }}
          fetch-depth: 0
      
      - name: Get changed directories
        id: get-dirs
        run: |
          # Get the list of changed tier directories
          git diff --name-only HEAD~1 | awk -F "/*[^/]*/*$" '{ print ($1 == "" ? "." : $1); }' | sort | uniq | grep '^tier' > changed_dirs.txt

          # Read the contents into an array called dirs
          readarray -t dirs < changed_dirs.txt

          # Print the array for debugging
          echo "Changed tier directories:"
          for dir in "${dirs[@]}"; do
            echo "$dir"
          done

          # Set the array as a comma-separated string in an output variable
          dirs_string=$(IFS=','; echo "${dirs[*]}")
          echo "tiers=$dirs_string" >> $GITHUB_ENV  # Set the environment variable
    outputs:
      tiers: ${{ steps.get-dirs.outputs.tiers }}

  converttopdf:
    name: Build PDF
    runs-on: ubuntu-latest
    needs: get-updated-files
    permissions:
        contents: write  # Set permissions to allow writes to the repository
    strategy:
        matrix:
            tier: ${{ needs.get-updated-files.outputs.tiers }}  # List of directories
    steps:
      - uses: actions/checkout@v4
        with:
            ref: ${{ github.head_ref }}
      - name: Generate PDF for ${{ matrix.tier }}
        uses: baileyjm02/markdown-to-pdf@v1
        with:
          input_path: ${{ matrix.tier }}/checklist.md
          images_dir: assets
          image_import: ../assets
          output_dir: ${{ matrix.tier }}/
          # Default is true, can set to false to only get PDF files
          build_html: false
      - name: Commit and push ${{ matrix.tier }} PDF
        uses: stefanzweifel/git-auto-commit-action@v5
        with:
          commit_message: "Updated ${{ matrix.tier }} checklist pdf"
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  # Required for authentication