Delegate a few more Subspec attributes to the top level spec.

lib/cocoapods/specification.rb

@@ -53,10 +53,13 @@ module Pod
 
     def summary=(summary)
       @summary = summary
-      @description ||= summary
     end
     attr_reader :summary
 
+    def description
+      @description || summary
+    end
+
     def part_of=(*name_and_version_requirements)
       self.part_of_dependency = *name_and_version_requirements
       @part_of.only_part_of_other_pod = true
@@ -111,7 +114,7 @@ module Pod
     attr_writer :compiler_flags
     def compiler_flags
       flags = "#{@compiler_flags} "
-      flags << '-fobjc-arc' if @requires_arc
+      flags << '-fobjc-arc' if requires_arc
       flags
     end
 
@@ -127,8 +130,6 @@ module Pod
     end
     attr_reader :dependencies
 
-    # Subspec related
-
     def subspec(name, &block)
       subspec = Subspec.new(self, name, &block)
       @subspecs << subspec
@@ -136,6 +137,13 @@ module Pod
     end
     attr_reader :subspecs
 
+    # Not attributes
+
+    # TODO when we move to use a 'ResolveContext' this should happen there.
+    attr_accessor :defined_in_set
+
+    include Config::Mixin
+
     def subspec_by_name(name)
       # Remove this spec's name from the beginning of the name we’re looking for
       # and take the first component from the remainder, which is the spec we need
@@ -149,19 +157,6 @@ module Pod
       remainder.empty? ? subspec : subspec.subspec_by_name(name)
     end
 
-    # These are attributes which are also on a Podfile
-    # TODO remove this, we no longer allow to install specs as Podfile
-
-    attr_accessor :generate_bridge_support
-    alias_method :generate_bridge_support?, :generate_bridge_support
-
-    # Not attributes
-
-    # TODO when we move to use a 'ResolveContext' this should happen there.
-    attr_accessor :defined_in_set
-
-    include Config::Mixin
-
     def ==(other)
       object_id == other.object_id ||
         (self.class === other &&
@@ -428,6 +423,10 @@ module Pod
       def defined_in_set
         top_level_parent.defined_in_set
       end
+
+      def requires_arc
+        top_level_parent.requires_arc
+      end
     end
 
   end

spec/unit/specification_spec.rb

@@ -288,6 +288,7 @@ describe "A Pod::Specification subspec" do
       s.version = '1.2.3'
       s.summary = 'A spec with subspecs'
       s.source  = { :git => '/some/url' }
+      s.requires_arc = true
 
       s.subspec 'FirstSubSpec' do |fss|
         fss.subspec 'SecondSubSpec' do |sss|
@@ -313,10 +314,14 @@ describe "A Pod::Specification subspec" do
   end
 
   it "automatically forwards undefined attributes to the top level parent" do
-    @spec.subspecs.first.summary.should == @spec.summary
-    @spec.subspecs.first.source.should == @spec.source
-    @spec.subspecs.first.subspecs.first.summary.should == @spec.summary
-    @spec.subspecs.first.subspecs.first.source.should == @spec.source
+    @spec.subspecs.first.summary.should        == @spec.summary
+    @spec.subspecs.first.source.should         == @spec.source
+    @spec.subspecs.first.requires_arc.should   == true
+    @spec.subspecs.first.compiler_flags.should == ' -fobjc-arc'
+    @spec.subspecs.first.subspecs.first.summary.should        == @spec.summary
+    @spec.subspecs.first.subspecs.first.source.should         == @spec.source
+    @spec.subspecs.first.subspecs.first.requires_arc.should   == true
+    @spec.subspecs.first.subspecs.first.compiler_flags.should == ' -fobjc-arc'
   end
 
   it "returns subspecs by name" do