pauc/zantop

name: Rubocop

on: [pull_request]

env:
  RUBY_VERSION: 3.0.2

jobs:
  rubocop:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2

    - name: Set up Ruby
      uses: ruby/setup-ruby@v1
      with:
        ruby-version: ${{ env.RUBY_VERSION }}
        bundler-cache: true

    - name: Install Ruby dependencies
      run: |
        gem install bundler:2.3.9
        bundle install

    - uses: AurorNZ/paths-filter@v3
      id: changes
      with:
        list-files: 'escape'
        filters: |
          ruby:
            - '**/*.rb'
            - '!db/schema.rb'

      # run only for ruby files
    - name: Run rubocop for changed or added files
      if: steps.changes.outputs.ruby == 'true'
      run: bundle exec rubocop ${{steps.changes.outputs.ruby_files}}