Merge pull request #59 from rubocop/add-danger-for-enabled-true-cop

Add a Danger check to prevent review approval for cops that have become `Enabled: true`

.github/workflows/danger.yml

@@ -0,0 +1,22 @@
+name: Danger
+on:
+  - pull_request
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+jobs:
+  danger:
+    name: Danger
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - uses: ruby/setup-ruby@v1
+        with:
+          bundler-cache: true
+          ruby-version: "3.2"
+      - name: Run Danger
+        run: bundle exec danger
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

Dangerfile

@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+diff = git.diff_for_file('config/default.yml')
+if diff && diff.patch =~ /^\+\s*Enabled: true$/
+  warn(<<~MESSAGE)
+    There is a cop that became `Enabled: true` due to this pull request.
+    Please review the diff and make sure there are no issues.
+  MESSAGE
+end

Gemfile

@@ -5,6 +5,7 @@ source 'https://rubygems.org'
 gemspec
 
 gem 'bump'
+gem 'danger'
 gem 'rack'
 gem 'rake'
 gem 'rspec', '~> 3.11'