link-fail-fast.yaml

name: Links (Fail Fast)

on:
  pull_request:

jobs:
  linkChecker:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 2

      - name: 'Get a list of changed markdown files to process'
        id: changed-files
        run: |
          CHANGED_FILES=$(git diff-tree --name-only --diff-filter 'AM' -r HEAD^1 HEAD -- "*.md" | sed -z "s/\n$//;s/\n/' '/g")
          echo "all_changed_files=${CHANGED_FILES}" >> $GITHUB_OUTPUT

      - name: Restore lychee cache
        uses: actions/cache@v4
        with:
          path: .lycheecache
          key: cache-lychee-${{ github.sha }}
          restore-keys: cache-lychee-

      - name: Link Checker
        if: ${{ steps.changed-files.outputs.all_changed_files }}
        uses: lycheeverse/lychee-action@v2
        with:
          fail: true
          failIfEmpty: false
          args: --root-dir $(pwd) --cache --max-cache-age 1d -E -i -n -t 45 -- '${{ steps.changed-files.outputs.all_changed_files }}'
        env:
          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}