Avoid using {...} for multi-line blocks

.rubocop.yml

@@ -74,7 +74,7 @@ Style/BlockComments:
 Style/BlockEndNewline:
   Description: 'Put end statement of multiline block on its own line.'
-  Enabled: false
+  Enabled: true
 Style/Blocks:
   Description: >-
@@ -82,7 +82,7 @@ Style/Blocks:
                 always ugly).
                 Prefer {...} over do...end for single-line blocks.
   StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#single-line-blocks'
-  Enabled: false
+  Enabled: true
 Style/BracesAroundHashParameters:
   Description: 'Enforce braces style around hash parameters.'

lib/api/api_guard.rb

@@ -120,7 +120,7 @@ module APIGuard
     end
     def oauth2_bearer_token_error_handler
-      Proc.new {|e|
+      Proc.new do |e|
         response = case e
           when MissingTokenError
             Rack::OAuth2::Server::Resource::Bearer::Unauthorized.new
@@ -150,7 +150,7 @@ module APIGuard
           end
         response.finish
-      }
+      end
     end
   end

lib/api/internal.rb

 module API
   # Internal access API
   class Internal < Grape::API
-    before {
-      authenticate_by_gitlab_shell_token!
-    }
+    before { authenticate_by_gitlab_shell_token! }
     namespace 'internal' do
       # Check if git command is allowed to project

lib/api/namespaces.rb

 module API
   # namespaces API
   class Namespaces < Grape::API
-    before {
+    before do
       authenticate!
       authenticated_as_admin!
-    }
+    end
     resource :namespaces do
       # Get a namespaces list

lib/api/system_hooks.rb

 module API
   # Hooks API
   class SystemHooks < Grape::API
-    before {
+    before do
       authenticate!
       authenticated_as_admin!
-    }
+    end
     resource :hooks do
       # Get the list of system hooks