kibitan/masking

# inspired from: https://github.com/rails/sprockets/pull/631
name: Check Changelog

on: [pull_request]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v1
    - name: Check that CHANGELOG is touched
      run: |
        echo "${{ github.event.pull_request.title }}" | grep -i '\[changelog skip\]\|\[skip changelog\]' || git diff remotes/origin/${{ github.base_ref }} --name-only | grep CHANGELOG.md