name: Check links

on:
  pull_request:
    paths:
      - "**.rs"
      - "**.prdoc"
      - ".github/workflows/check-links.yml"
      - ".config/lychee.toml"
    types: [opened, synchronize, reopened, ready_for_review]
  merge_group:

permissions:
  packages: read

jobs:
  link-checker:
    runs-on: ubuntu-latest
    steps:
      - name: Restore lychee cache
        uses: actions/cache@e12d46a63a90f2fae62d114769bbf2a179198b5c # v3.3.2 (7. Sep 2023)
        with:
          path: .lycheecache
          key: cache-lychee-${{ github.sha }}
          # This should restore from the most recent one:
          restore-keys: cache-lychee-

      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.0 (22. Sep 2023)

      - name: Lychee link checker
        uses: lycheeverse/lychee-action@c3089c702fbb949e3f7a8122be0c33c017904f9b # for v1.9.1 (10. Jan 2024)
        with:
          args: >-
            --config .config/lychee.toml
            --no-progress
            './**/*.rs'
            './**/*.prdoc'
          fail: true
        env:
          # To bypass GitHub rate-limit:
          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}