[TargetInstaller] Install umbrella headers as Project for library targets

lib/cocoapods/installer/xcode/pods_project_generator/target_installer.rb

@@ -204,10 +204,10 @@ module Pod
               file_ref = add_file_to_support_group(path)
               native_target.add_file_references([file_ref])
 
-              # Make the umbrella header public
+              acl = target.requires_frameworks? ? 'Public' : 'Project'
               build_file = native_target.headers_build_phase.build_file(file_ref)
               build_file.settings ||= {}
-              build_file.settings['ATTRIBUTES'] = ['Public']
+              build_file.settings['ATTRIBUTES'] = [acl]
             end
           end
 

cocoapods-integration-specs @ 6ea6db14

-Subproject commit 94fd69236ef1f5c92eca020bd7eb4bd5b34138ce
+Subproject commit 6ea6db143cff938564b90b63769bcb40a9aaac8b

spec/unit/installer/xcode/pods_project_generator/aggregate_target_installer_spec.rb

@@ -255,6 +255,28 @@ module Pod
               script = support_files_dir + 'Pods-SampleProject-frameworks.sh'
               File.exist?(script).should == false
             end
+
+            it 'installs umbrella headers for swift static libraries' do
+              @pod_target.stubs(:uses_swift? => true)
+              @target.stubs(:uses_swift? => true)
+              @installer.install!
+
+              build_files = @installer.target.native_target.headers_build_phase.files
+              build_file = build_files.find { |bf| bf.file_ref.path.include?('Pods-SampleProject-umbrella.h') }
+              build_file.should.not.be.nil
+              build_file.settings.should == { 'ATTRIBUTES' => ['Project'] }
+            end
+
+            it 'installs umbrella headers for frameworks' do
+              @pod_target.stubs(:requires_frameworks? => true)
+              @target.stubs(:requires_frameworks? => true)
+              @installer.install!
+
+              build_files = @installer.target.native_target.headers_build_phase.files
+              build_file = build_files.find { |bf| bf.file_ref.path.include?('Pods-SampleProject-umbrella.h') }
+              build_file.should.not.be.nil
+              build_file.settings.should == { 'ATTRIBUTES' => ['Public'] }
+            end
           end
         end
       end