Make Subspec ask the top level spec for header mappings.

examples/RKTwitter/Podfile

 platform :ios
 
-dependency 'RestKit-ObjectMapping'
-dependency 'RestKit-JSON-JSONKit'
+dependency 'RestKit/ObjectMapping/JSONKit'

examples/RKTwitter/Podfile.lock

@@ -3,19 +3,17 @@ PODS:
   - LibComponentLogging-Core (1.1.4)
   - LibComponentLogging-NSLog (1.0.2):
     - LibComponentLogging-Core (>= 1.1.4)
-  - RestKit-JSON-JSONKit (0.9.3):
-    - JSONKit
-    - RestKit (= 0.9.3)
-  - RestKit-Network (0.9.3):
+  - RestKit (0.9.3)
+  - RestKit/Network (0.9.3):
     - LibComponentLogging-NSLog
     - RestKit (= 0.9.3)
-  - RestKit-ObjectMapping (0.9.3):
+  - RestKit/ObjectMapping (0.9.3):
     - RestKit (= 0.9.3)
-    - RestKit-Network (= 0.9.3)
-
-DOWNLOAD_ONLY:
-  - RestKit (0.9.3)
+    - RestKit/Network
+  - RestKit/ObjectMapping/JSONKit (0.9.3):
+    - JSONKit
+    - RestKit (= 0.9.3)
+    - RestKit/ObjectMapping (= 0.9.3)
 
 DEPENDENCIES:
-  - RestKit-JSON-JSONKit
-  - RestKit-ObjectMapping
+  - RestKit/ObjectMapping/JSONKit

lib/cocoapods/specification.rb

@@ -21,11 +21,16 @@ module Pod
     attr_accessor :defined_in_file
 
     def initialize
-      @dependencies, @resources, @clean_paths, @subspecs = [], [], [], []
-      @xcconfig = Xcodeproj::Config.new
+      post_initialize
       yield self if block_given?
     end
 
+    # TODO This is just to work around a MacRuby bug
+    def post_initialize
+      @dependencies, @source_files, @resources, @clean_paths, @subspecs = [], [], [], [], []
+      @xcconfig = Xcodeproj::Config.new
+    end
+
     # Attributes
 
     attr_accessor :name
@@ -306,7 +311,9 @@ module Pod
       missing << "`homepage'"                   unless homepage
       missing << "`author(s)'"                  unless authors
       missing << "either `source' or `part_of'" unless source || part_of
-      missing << "`source_files'"               unless source_files
+      missing << "`source_files'"               if source_files.empty? && subspecs.empty?
+      # TODO
+      # * validate subspecs
 
       incorrect = []
       allowed = [nil, :ios, :osx]
@@ -392,8 +399,7 @@ module Pod
         @parent, @name = parent, name
         # TODO a MacRuby bug, the correct super impl `initialize' is not called consistently
         #super(&block)
-        @dependencies, @resources, @clean_paths, @subspecs = [], [], [], []
-        @xcconfig = Xcodeproj::Config.new
+        post_initialize
 
         # A subspec is _always_ part of the source of its top level spec.
         self.part_of = top_level_parent.name, version
@@ -415,6 +421,9 @@ module Pod
         "#{@parent.name}/#{@name}"
       end
 
+      # TODO manually forwarding the attributes that we have so far needed to forward,
+      # but need to think if there's a better way to do this.
+
       def summary
         @summary ? @summary : top_level_parent.summary
       end
@@ -434,6 +443,10 @@ module Pod
       def requires_arc
         top_level_parent.requires_arc
       end
+
+      def copy_header_mapping(from)
+        top_level_parent.copy_header_mapping(from)
+      end
     end
 
   end

master @ 8b2cd6ae

-Subproject commit d0a5f7b8b29c6cc81ff28760d756e5fb300a9e7f
+Subproject commit 8b2cd6ae4b7c3ec41fe6adba6fa3b7b1f34aaadd