Update for latest Xcodeproj.

Gemfile.lock

 GIT
   remote: git://github.com/CocoaPods/Xcodeproj.git
-  revision: 21d9afe2ffde71f15b7a77a43d8fa97552eb6044
+  revision: 455192a27d22990363d3719662a6eb1ee683cd87
   specs:
     xcodeproj (0.1.0)
 
@@ -22,8 +22,8 @@ GEM
     open4 (1.3.0)
     rake (0.9.2.2)
     rb-fsevent (0.9.0)
-    vcr (2.0.0)
-    webmock (1.8.4)
+    vcr (2.0.1)
+    webmock (1.8.5)
       addressable (>= 2.2.7)
       crack (>= 0.1.7)
 

lib/cocoapods/installer/user_project_integrator.rb

@@ -86,7 +86,7 @@ module Pod
             end.reject do |target|
               # reject any target that already has this Pods library in one of its frameworks build phases
               target.frameworks_build_phases.any? do |phase|
-                phase.files.any? { |build_file| build_file.file.name == @target_definition.lib_name }
+                phase.files.any? { |file| file.name == @target_definition.lib_name }
               end
             end
           end
@@ -104,9 +104,7 @@ module Pod
         def add_pods_library
           pods_library = @integrator.user_project.group("Frameworks").files.new_static_library(@target_definition.label)
           targets.each do |target|
-            target.frameworks_build_phases.each do |build_phase|
-              build_phase.files << pods_library.build_files.new
-            end
+            target.frameworks_build_phases.each { |build_phase| build_phase << pods_library }
           end
         end
 

spec/functional/user_project_integrator_spec.rb

@@ -65,7 +65,7 @@ describe Pod::Installer::UserProjectIntegrator do
     @podfile.target_definitions.each do |_, definition|
       target = @sample_project.targets.where(:name => definition.link_with.first)
       framework_build_phase = target.frameworks_build_phases.first
-      framework_build_phase.files.where(:file => { :name => definition.lib_name }).should.not == nil
+      framework_build_phase.files.where(:name => definition.lib_name).should.not == nil
     end
   end
   
@@ -79,7 +79,7 @@ describe Pod::Installer::UserProjectIntegrator do
 
   it "only tries to integrate Pods libraries into user targets that haven't been integrated yet" do
     app, test_runner = @integrator.user_project.targets.to_a
-    test_runner.frameworks_build_phases.first.files.last.destroy
+    test_runner.frameworks_build_phases.first.build_files.last.destroy
 
     targets = @integrator.targets.sort_by { |target| target.target_definition.label }
     @integrator.stubs(:targets).returns(targets)

spec/integration_spec.rb

@@ -316,7 +316,7 @@ else
         project = Xcodeproj::Project.new(config.project_pods_root + 'Pods.xcodeproj')
         project.targets.each do |target|
           phase = target.build_phases.find { |phase| phase.is_a?(Xcodeproj::Project::Object::PBXSourcesBuildPhase) }
-          files = phase.files.map(&:file).map(&:name)
+          files = phase.files.map(&:name)
           case target.product_name
           when 'Pods'
             files.should.include "ASIHTTPRequest.m"
@@ -376,8 +376,7 @@ else
         target.build_configurations.each do |config|
           config.base_configuration.path.should == 'Pods/Pods.xcconfig'
         end
-        phase = target.frameworks_build_phases.first
-        phase.files.map { |build_file| build_file.file }.should.include libPods
+        target.frameworks_build_phases.first.files.should.include libPods
         # should be the last phase
         target.build_phases.last.shell_script.should == %{"${SRCROOT}/Pods/Pods-resources.sh"\n}
       end