name: Links

on:
  schedule:
    # Run at 00:00 UTC every Sunday
    - cron: '0 0 * * */7'
  push:
    branches:
      - master

env:
  FORCE_COLOR: 1

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2

      - name: Find markdown files
        shell: bash
        run: |
          echo 'FILES_TO_CHECK<<EOF' >> $GITHUB_ENV

          # $GITHUB_WORKSPACE is where our files live
          # Ignore dirs and only include markdown files

          files_to_check=$(find $GITHUB_WORKSPACE -type f \
          -not -path '*/\.git/*' -not -path '*/\.github/*' \
          -name "*.md")

          echo $files_to_check >> $GITHUB_ENV
          echo 'EOF' >> $GITHUB_ENV

      - name: Validate that links are up
        uses: simeg/urlsup-action@v1.0.0
        with:
          args: ${{ env.FILES_TO_CHECK }} --threads 10