vale.yml

name: reviewdog
on: [pull_request]

jobs:
  vale-lint:
    name: runner / vale
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Get changed files
        run: |
          git fetch origin ${{ github.event.pull_request.base.ref }}:refs/remotes/origin/base
          git diff --name-only --diff-filter=d $(git merge-base HEAD origin/base)..HEAD > changed_files_in_PR.txt
      - name: Set variables
        run: |
          CHANGED_FILES=$(cat changed_files_in_PR.txt)
          echo "CHANGED_FILES=$CHANGED_FILES" >> $GITHUB_ENV
      - uses: errata-ai/vale-action@reviewdog
        env:
          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
        with:
          files: ${{env.CHANGED_FILES}}