Update RuboCop 0.44.1 -> 0.47.1 for Travis builds

Author: sds

.rubocop.yml

@@ -10,6 +10,9 @@ Lint/Void:
 Metrics/AbcSize:
   Enabled: false
 
+Metrics/BlockLength:
+  Enabled: false
+
 Metrics/LineLength:
   Max: 100
 

Gemfile

@@ -10,4 +10,4 @@ gem 'rspec', '~> 3.0'
 gem 'coveralls'
 
 # Pin RuboCop for Travis builds.
-gem 'rubocop', '0.44.1'
+gem 'rubocop', '0.47.1'

lib/overcommit/hook/commit_msg/message_format.rb

@@ -17,11 +17,13 @@ def validate_pattern(message)
       expected_pattern_message = config['expected_pattern_message']
       sample_message = config['sample_message']
 
-      [
-        'Commit message pattern mismatch.',
-        "Expected : #{expected_pattern_message}",
-        "Sample : #{sample_message}"
-      ].join("\n") unless message =~ /#{pattern}/
+      unless message =~ /#{pattern}/
+        [
+          'Commit message pattern mismatch.',
+          "Expected : #{expected_pattern_message}",
+          "Sample : #{sample_message}"
+        ].join("\n")
+      end
     end
   end
 end

lib/overcommit/hook_context/pre_push.rb

@@ -17,7 +17,7 @@ def pushed_refs
       end
     end
 
-    PushedRef = Struct.new(:local_ref, :local_sha1, :remote_ref, :remote_sha1) do # rubocop:disable Metrics/BlockLength, Metrics/LineLength
+    PushedRef = Struct.new(:local_ref, :local_sha1, :remote_ref, :remote_sha1) do
       def forced?
         !(created? || deleted? || overwritten_commits.empty?)
       end