Add RuboCop Packaging

For parity with activeadmin and arbre

Refs:
- activeadmin/activeadmin#6462
- activeadmin/arbre#212

.rubocop.yml

@@ -2,6 +2,7 @@
 
 require:
   - rubocop-minitest
+  - rubocop-packaging
   - rubocop-performance
 
 AllCops:
@@ -215,6 +216,18 @@ Minitest/UnspecifiedException:
 Minitest/UselessAssertion:
   Enabled: true
 
+Packaging/BundlerSetupInTests:
+  Enabled: true
+
+Packaging/GemspecGit:
+  Enabled: true
+
+Packaging/RequireHardcodingLib:
+  Enabled: true
+
+Packaging/RequireRelativeHardcodingLib:
+  Enabled: true
+
 Performance:
   Enabled: true
 

Gemfile

@@ -18,5 +18,6 @@ end
 group :rubocop do
   gem 'rubocop'
   gem 'rubocop-minitest'
+  gem 'rubocop-packaging'
   gem 'rubocop-performance'
 end

Gemfile.lock

@@ -220,6 +220,8 @@ GEM
     rubocop-minitest (0.36.0)
       rubocop (>= 1.61, < 2.0)
       rubocop-ast (>= 1.31.1, < 2.0)
+    rubocop-packaging (0.5.2)
+      rubocop (>= 1.33, < 2.0)
     rubocop-performance (1.21.1)
       rubocop (>= 1.48.1, < 2.0)
       rubocop-ast (>= 1.31.1, < 2.0)
@@ -265,6 +267,7 @@ DEPENDENCIES
   rails-controller-testing
   rubocop
   rubocop-minitest
+  rubocop-packaging
   rubocop-performance
   simplecov
   simplecov-cobertura