[AggretateTarget] Expose specs by build configuration

lib/cocoapods/generator/target_environment_header.rb

+require 'active_support/core_ext/string/strip'
+
 module Pod
   module Generator
 
@@ -23,14 +25,15 @@ module Pod
     #
     class TargetEnvironmentHeader
 
-      # @return [Array<LocalPod>] the specifications installed for the target.
+      # @return [Hash{String => LocalPod}] the specifications installed for
+      #         the target by build configuration name.
       #
-      attr_reader :specs
+      attr_reader :specs_by_build_configuration
 
       # @param  [Array<LocalPod>] pods @see pods
       #
-      def initialize(specs)
-        @specs = specs
+      def initialize(specs_by_build_configuration)
+        @specs_by_build_configuration = specs_by_build_configuration
       end
 
       # Generates and saves the file.
@@ -50,7 +53,7 @@ module Pod
           source.puts "// project."
           source.puts
           source.puts
-          specs.each do |spec|
+          common_specs(specs_by_build_configuration).each do |spec|
             spec_name = safe_spec_name(spec.name)
             source.puts "// #{spec.name}"
             source.puts "#define COCOAPODS_POD_AVAILABLE_#{spec_name}"
@@ -79,6 +82,14 @@ module Pod
         spec_name.gsub(/[^\w]/,'_')
       end
 
+      def common_specs(specs_by_build_configuration)
+        result = specs_by_build_configuration.values.flatten.uniq
+        specs_by_build_configuration.values.each do |build_configuration_specs|
+          result = result & build_configuration_specs
+        end
+        result
+      end
+
       #-----------------------------------------------------------------------#
 
     end

lib/cocoapods/installer/target_installer/aggregate_target_installer.rb

@@ -50,7 +50,7 @@ module Pod
       def create_target_environment_header
         path = library.target_environment_header_path
         UI.message "- Generating target environment header at #{UI.path(path)}" do
-          generator = Generator::TargetEnvironmentHeader.new(library.pod_targets.map { |l| l.specs }.flatten)
+          generator = Generator::TargetEnvironmentHeader.new(library.specs_by_build_configuration)
           generator.save_as(path)
           add_file_to_support_group(path)
         end

lib/cocoapods/target/aggregate_target.rb

@@ -64,6 +64,19 @@ module Pod
       pod_targets.map(&:specs).flatten
     end
 
+    # @return [Hash{Symbol => Array<PodTarget>}] The pod targets for each
+    #         build configuration.
+    #
+    def specs_by_build_configuration
+      result = {}
+      user_build_configurations.keys.each do |build_configuration|
+        result[build_configuration] = pod_targets.select do |pod_target|
+          pod_target.include_in_build_config?(build_configuration)
+        end.map(&:specs).flatten
+      end
+      result
+    end
+
     # @return [Array<Specification::Consumer>] The consumers of the Pod.
     #
     def spec_consumers

spec/unit/generator/target_environment_header_spec.rb

@@ -4,7 +4,7 @@ describe Pod::Generator::TargetEnvironmentHeader do
 
   before do
     specification = fixture_spec('banana-lib/BananaLib.podspec')
-    @gen = Pod::Generator::TargetEnvironmentHeader.new([specification])
+    @gen = Pod::Generator::TargetEnvironmentHeader.new({'Debug' => [specification]})
   end
 
   it "generates a header files which include macro definitions for installed Pods" do

spec/unit/target/aggregate_target_spec.rb

@@ -71,12 +71,32 @@ module Pod
 
     describe "Pod targets" do
       before do
-        spec = fixture_spec('banana-lib/BananaLib.podspec')
-        target_definition = Podfile::TargetDefinition.new('Pods', nil)
-        pod_target = PodTarget.new([spec], target_definition, config.sandbox)
-        @target = AggregateTarget.new(target_definition, config.sandbox)
+        @spec = fixture_spec('banana-lib/BananaLib.podspec')
+        @target_definition = Podfile::TargetDefinition.new('Pods', nil)
+        @pod_target = PodTarget.new([@spec], @target_definition, config.sandbox)
+        @target = AggregateTarget.new(@target_definition, config.sandbox)
         @target.stubs(:platform).returns(:ios)
-        @target.pod_targets = [pod_target]
+        @target.pod_targets = [@pod_target]
+      end
+
+      it "returns pod targets by build configuration" do
+        pod_target_release = PodTarget.new([@spec], @target_definition, config.sandbox)
+        pod_target_release.expects(:include_in_build_config?).with("Debug").returns(false)
+        pod_target_release.expects(:include_in_build_config?).with("Release").returns(true)
+        @target.pod_targets = [@pod_target, pod_target_release]
+        @target.user_build_configurations = {
+          "Debug" => :debug,
+          "Release" => :release
+        }
+        expected = {
+          "Debug" => @pod_target.specs,
+          "Release" => (@pod_target.specs + pod_target_release.specs)
+        }
+        @target.specs_by_build_configuration.should == expected
+      end
+
+      it "returns the specs of the Pods used by this aggregate target" do
+        @target.specs.map(&:name).should == ["BananaLib"]
       end
 
       it "returns the specs of the Pods used by this aggregate target" do