name: Check Markdown links

on:
  - push
  - pull_request

jobs:
  github:
    runs-on: ubuntu-latest
    container: ubuntu:latest
    env:
      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - uses: actions/checkout@v3
      - run: |
        curl -fsSL https://cli.github.com/packages/githubcli-archive-keyring.gpg | dd of=/usr/share/keyrings/githubcli-archive-keyring.gpg
        echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" | tee /etc/apt/sources.list.d/github-cli.list > /dev/null
        apt update
        apt-get install -y gh
      - run: >
          grep '](https://github.com' README.md |
          sed -re 's/^.*\]\(https:\/\/github.com\/([^\)]*).*/\1/' |
          xargs -I {} gh api repos/{} --jq '.name + ": " + (.archived|tostring)' > archived_check_list.txt
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - run: >
          grep ": true" archived_check_list.txt
      - run: >
          test $(grep ': true' archived_check_list.txt | wc -l) -le 0