vale.yml

name: Vale Lint

on:
  pull_request:
    paths:
      - '**/*.md'

jobs:
  vale:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout code
      uses: actions/checkout@v3
      with:
        fetch-depth: 0  # Fetch all history so we can access all commits

    - name: Install Vale
      uses: errata-ai/vale-action@v2

    - name: Install jq
      run: sudo apt-get install -y jq

    - name: Get changed files
      id: changed-files
      run: |
        BASE_SHA=$(git merge-base origin/${{ github.event.pull_request.base.ref }} ${{ github.sha }})
        CHANGED_FILES=$(git diff --name-only $BASE_SHA ${{ github.sha }} -- '*.md')
        echo "CHANGED_FILES=$CHANGED_FILES" >> $GITHUB_ENV
        echo "::set-output name=files::$(echo $CHANGED_FILES | jq -R -s -c 'split("\n")[:-1]')"

    - name: Print Changed Files
      run: echo $CHANGED_FILES

    - name: Run Vale on changed files
      run: |
        for file in $(echo ${{ steps.changed-files.outputs.files }} | jq -r '.[]'); do
          echo "Running Vale on $file"
          vale --output=JSON $file > vale_output.json
          cat vale_output.json
          cat vale_output.json | jq -c '.[] | {file: "'$file'", line: .Line, column: .Span[0], message: .Message, suggestion: .Suggestions[0]}' > rdjson_output.jsonl
          cat rdjson_output.jsonl
          cat rdjson_output.jsonl | reviewdog -f=rdjsonl -name="Vale" -reporter=github-pr-review -level=warning -filter-mode=nofilter
        done
      env:
        REVIEWDOG_GITHUB_API_TOKEN: ${{ secrets.REVIEWDOG_GITHUB_API_TOKEN }}