name: Remark

on:
  push:
    branches:
      - auto
      - try
  pull_request:
    paths:
    - '**.md'

jobs:
  remark:
    runs-on: ubuntu-latest

    steps:
    # Setup
    - name: Checkout
      uses: actions/checkout@v3.0.2

    - name: Setup Node.js
      uses: actions/setup-node@v1.4.4
      with:
        node-version: '14.x'

    - name: Install remark
      run: npm install remark-cli remark-lint remark-lint-maximum-line-length remark-preset-lint-recommended remark-gfm

    - name: Install mdbook
      run: |
        mkdir mdbook
        curl -Lf https://github.com/rust-lang/mdBook/releases/download/v0.4.18/mdbook-v0.4.18-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=./mdbook
        echo `pwd`/mdbook >> $GITHUB_PATH

    # Run
    - name: Check *.md files
      run: git ls-files -z '*.md' | xargs -0 -n 1 -I {} ./node_modules/.bin/remark {} -u lint -f > /dev/null

    - name: Build mdbook
      run: mdbook build book

  # These jobs doesn't actually test anything, but they're only used to tell
  # bors the build completed, as there is no practical way to detect when a
  # workflow is successful listening to webhooks only.
  #
  # ALL THE PREVIOUS JOBS NEED TO BE ADDED TO THE `needs` SECTION OF THIS JOB!

  end-success:
    name: bors remark test finished
    if: github.event.pusher.name == 'bors' && success()
    runs-on: ubuntu-latest
    needs: [remark]

    steps:
      - name: Mark the job as successful
        run: exit 0

  end-failure:
    name: bors remark test finished
    if: github.event.pusher.name == 'bors' && (failure() || cancelled())
    runs-on: ubuntu-latest
    needs: [remark]

    steps:
      - name: Mark the job as a failure
        run: exit 1
