url-checker.yml

name: URL Checker

on:
  pull_request:
    paths:
      - '5.0/**'
  push:
    branches:
      - master
    paths:
      - '5.0/**'
  workflow_dispatch:

jobs:
  markdown-link-check:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4.2.2
        with:
          fetch-depth: 0

      - name: Install markdown-link-check
        run: npm i -g markdown-link-check@3.14.2

      - name: Determine files to check
        id: files
        run: |
          if [[ "${{ github.event_name }}" == "pull_request" ]]; then
            git diff --name-only --diff-filter=AM origin/${{ github.base_ref }} -- 5.0/ | grep '\.md$' > /tmp/files_to_check.txt || true
            echo "mode=modified" >> $GITHUB_OUTPUT
          else
            find 5.0 -name '*.md' -not -path './node_modules/*' > /tmp/files_to_check.txt
            echo "mode=all" >> $GITHUB_OUTPUT
          fi
          echo "Checking files (mode: $(cat $GITHUB_OUTPUT | grep mode | cut -d= -f2)):"
          cat /tmp/files_to_check.txt

      - name: Check URLs
        run: |
          ERROR_FOUND=0
          while IFS= read -r file; do
            if [ -n "$file" ]; then
              markdown-link-check "$file" --config .github/workflows/config/url-checker-config.json -q || ERROR_FOUND=1
            fi
          done < /tmp/files_to_check.txt

          if [ "$ERROR_FOUND" -eq 1 ]; then
            echo ""
            echo "ERROR: Dead links were found!"
            exit 1
          else
            echo ""
            echo "All links are good!"
          fi