1 files changed, 9 insertions, 1 deletions
diff --git a/lib/gitlab/utils.rb b/lib/gitlab/utils.rb
index d13fe0ef8a9..4c395b4266e 100644
--- a/lib/gitlab/utils.rb
+++ b/lib/gitlab/utils.rb
@@ -7,11 +7,19 @@ module Gitlab
     # @param  cmd [Array<String>]
     # @return [Boolean]
     def system_silent(cmd)
-      Popen::popen(cmd).last.zero?
+      Popen.popen(cmd).last.zero?
     end
 
     def force_utf8(str)
       str.force_encoding(Encoding::UTF_8)
     end
+
+    def to_boolean(value)
+      return value if [true, false].include?(value)
+      return true if value =~ /^(true|t|yes|y|1|on)$/i
+      return false if value =~ /^(false|f|no|n|0|off)$/i
+
+      nil
+    end
   end
 end