1 files changed, 5 insertions, 5 deletions
diff --git a/Library/Homebrew/cask/lib/hbc/system_command.rb b/Library/Homebrew/cask/lib/hbc/system_command.rb
index aa4b9b295..de544f1b7 100644
--- a/Library/Homebrew/cask/lib/hbc/system_command.rb
+++ b/Library/Homebrew/cask/lib/hbc/system_command.rb
@@ -66,13 +66,13 @@ module Hbc
     end
 
     def expanded_command
-      @expanded_command ||= command.map { |arg|
+      @expanded_command ||= command.map do |arg|
         if arg.respond_to?(:to_path)
           File.absolute_path(arg)
         else
           String(arg)
         end
-      }
+      end
     end
 
     def each_output_line(&b)
@@ -144,7 +144,7 @@ module Hbc
       end
 
       def self._warn_plist_garbage(command, garbage)
-        return true unless garbage =~ %r{\S}
+        return true unless garbage =~ /\S/
         external = File.basename(command.first)
         lines = garbage.strip.split("\n")
         opoo "Non-XML stdout from #{external}:"
@@ -152,8 +152,8 @@ module Hbc
       end
 
       def self._parse_plist(command, output)
-        raise CaskError, "Empty plist input" unless output =~ %r{\S}
-        output.sub!(%r{\A(.*?)(<\?\s*xml)}m, '\2')
+        raise CaskError, "Empty plist input" unless output =~ /\S/
+        output.sub!(/\A(.*?)(<\?\s*xml)/m, '\2')
         _warn_plist_garbage(command, Regexp.last_match[1]) if Hbc.debug
         output.sub!(%r{(<\s*/\s*plist\s*>)(.*?)\Z}m, '\1')
         _warn_plist_garbage(command, Regexp.last_match[2])