name: Link Validator

on:
  schedule:
    - cron:  '0 6 * * 1'
  workflow_dispatch:

jobs:
  validate-links:
    runs-on: ubuntu-20.04
    if: github.repository == 'akka/akka'
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Checkout GitHub merge
        if: github.event.pull_request
        run: |-
          git fetch origin pull/${{ github.event.pull_request.number }}/merge:scratch
          git checkout scratch

      - name: Set up JDK 11
        uses: olafurpg/setup-scala@v13
        with:
          java-version: adopt@1.11

      - name: Cache Coursier cache
        uses: coursier/cache-action@v6.2

      - name: create the Akka site
        run: sbt -Dakka.genjavadoc.enabled=true "Javaunidoc/doc; Compile/unidoc; akka-docs/paradox"

      - name: Install Coursier command line tool
        run: curl -fLo cs https://git.io/coursier-cli-linux && chmod +x cs && ./cs

      - name: Run Link Validator
        run: ./cs launch net.runne::site-link-validator:0.2.2 -- scripts/link-validator.conf