Make Subspec delegate license to the top level parent spec.

lib/cocoapods/specification.rb

@@ -432,24 +432,9 @@ module Pod
         @summary ? @summary : top_level_parent.summary
       end
 
-      def version
-        top_level_parent.version
-      end
-
-      def platform
-        top_level_parent.platform
-      end
-
-      def source
-        top_level_parent.source
-      end
-
-      def defined_in_set
-        top_level_parent.defined_in_set
-      end
-
-      def requires_arc
-        top_level_parent.requires_arc
+      # Override the getters to always return the value of the top level parent spec.
+      [:version, :summary, :platform, :license, :authors, :requires_arc, :compiler_flags, :defined_in_set].each do |attr|
+        define_method(attr) { top_level_parent.send(attr) }
       end
 
       def copy_header_mapping(from)

spec/unit/specification_spec.rb

@@ -287,6 +287,8 @@ describe "A Pod::Specification subspec" do
       s.name    = 'MainSpec'
       s.version = '1.2.3'
       s.platform = :ios
+      s.license = 'MIT'
+      s.author = 'Joe the Plumber'
       s.summary = 'A spec with subspecs'
       s.source  = { :git => '/some/url' }
       s.requires_arc = true
@@ -328,7 +330,7 @@ describe "A Pod::Specification subspec" do
   end
 
   it "automatically forwards undefined attributes to the top level parent" do
-    [:version, :summary, :platform, :requires_arc, :compiler_flags].each do |attr|
+    [:version, :summary, :platform, :license, :authors, :requires_arc, :compiler_flags].each do |attr|
       @spec.subspecs.first.send(attr).should == @spec.send(attr)
       @spec.subspecs.first.subspecs.first.send(attr).should == @spec.send(attr)
     end