Use single assignment for the conditional

lib/cocoapods/command/repo/lint.rb

@@ -34,14 +34,14 @@ module Pod
         # @todo add UI.print and enable print statements again.
         #
         def run
-          if @name
+          sources = if @name
                       if File.exist?(@name)
-              sources = [Pathname.new(@name)]
+                        [Pathname.new(@name)]
                       else
-              sources = SourcesManager.sources([@name]).map(&:repo)
+                        SourcesManager.sources([@name]).map(&:repo)
                       end
                     else
-            sources = SourcesManager.aggregate.sources.map(&:repo)
+                      SourcesManager.aggregate.sources.map(&:repo)
                     end
 
           sources.each do |source|