Instead of generate a dummy source file for each target, generate one in pod installer#install!

lib/cocoapods/generator/dummy_source.rb

 module Pod
   module Generator
     class DummySource
-      def initialize(label="Pods")
-        @label = label.gsub(/[^a-zA-Z]/, '')
-      end
-
       def save_as(pathname)
         pathname.open('w') do |source|
-          source.puts "@interface #{@label}Dummy : NSObject"
+          source.puts "@interface PodsDummy : NSObject"
           source.puts "@end"
-          source.puts "@implementation #{@label}Dummy"
+          source.puts "@implementation PodsDummy"
           source.puts "@end"
         end
       end

lib/cocoapods/installer.rb

@@ -83,6 +83,7 @@ module Pod
       end
 
       generate_lock_file!(pods)
+      generate_dummy_source
 
       puts "* Running post install hooks" if config.verbose?
       # Post install hooks run _before_ saving of project, so that they can alter it before saving.
@@ -152,6 +153,19 @@ module Pod
       end
     end
 
+    def generate_dummy_source
+      filename = "PodsDummy.m"
+      pathname = Pathname.new(sandbox.root + filename)
+      Generator::DummySource.new.save_as(pathname)
+
+      project_file = project.files.new('path' => filename)
+      project.group("Targets Support Files") << project_file
+
+      target_installers.each do |target_installer|
+        target_installer.target.source_build_phases.first << project_file
+      end
+    end
+
     def specs_by_target
       @specs_by_target ||= @resolver.resolve
     end

lib/cocoapods/installer/target_installer.rb

@@ -53,7 +53,7 @@ module Pod
       end
 
       def target_support_files
-        [:copy_resources_script_name, :prefix_header_name, :xcconfig_name, :dummy_source_name].map { |file| @target_definition.send(file) }
+        [:copy_resources_script_name, :prefix_header_name, :xcconfig_name].map { |file| @target_definition.send(file) }
       end
 
       # TODO move xcconfig related code into the xcconfig method, like copy_resources_script and generate_bridge_support.
@@ -79,7 +79,6 @@ module Pod
         xcconfig_file = support_files_group.files.where(:path => @target_definition.xcconfig_name)
         configure_build_configurations(xcconfig_file)
         create_files(pods, sandbox)
-        add_dummy_file(support_files_group)
       end
 
       def configure_build_configurations(xcconfig_file)
@@ -91,11 +90,6 @@ module Pod
         end
       end
 
-      def add_dummy_file(support_files_group)
-        dummy = Pathname.new(@target_definition.dummy_source_name)
-        @target.add_source_file(dummy)
-      end
-
       def create_files(pods, sandbox)
         if @podfile.generate_bridge_support?
           bridge_support_metadata_path = sandbox.root + @target_definition.bridge_support_name
@@ -109,8 +103,6 @@ module Pod
         save_prefix_header_as(sandbox.root + @target_definition.prefix_header_name, pods)
         puts "* Generating copy resources script at `#{sandbox.root + @target_definition.copy_resources_script_name}'" if config.verbose?
         copy_resources_script_for(pods).save_as(sandbox.root + @target_definition.copy_resources_script_name)
-        puts "* Generating dummy source at `#{sandbox.root + @target_definition.dummy_source_name}'" if config.verbose?
-        Generator::DummySource.new(@target_definition.label).save_as(sandbox.root + @target_definition.dummy_source_name)
       end
       
       private

lib/cocoapods/podfile.rb

@@ -95,10 +95,6 @@ module Pod
       def prefix_header_name
         "#{label}-prefix.pch"
       end
-      
-      def dummy_source_name
-        "#{label}Dummy.m"
-      end
 
       def bridge_support_name
         "#{label}.bridgesupport"

spec/unit/generator/dummy_source_spec.rb

@@ -12,7 +12,7 @@ describe Pod::Generator::DummySource do
   end
 
   it "generates a dummy sourcefile with the appropriate class" do
-    generator = Pod::Generator::DummySource.new("Pods")
+    generator = Pod::Generator::DummySource.new
     file = temporary_directory + 'PodsDummy.m'
     generator.save_as(file)
     file.read.should == <<-EOS