name: Check Markdown links

on:
    workflow_dispatch:
    pull_request:

concurrency:
    group: ${{ github.workflow }}-${{ github.ref }}
    cancel-in-progress: true

permissions: {}

jobs:
  markdown_link_check:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3

      - name: Install Node.js
        uses: actions/setup-node@v3
        with:
          node-version-file: '.nvmrc'
          cache: 'npm'

      - name: Install markdown-link-check
        run: npm install -g markdown-link-check@3.11.2

      - name: Run markdown-link-check
        run: |
          find ./docs -path ./docs/internal-developers/testing/releases -prune -o -name "*.md" -print0 | xargs -0 -n1 markdown-link-check -c .github/workflows/check-doc-links-config.json