Read the configurations from the user's projects and default to :release.

lib/cocoapods/podfile.rb

@@ -5,16 +5,16 @@ module Pod
 
       DEFAULT_BUILD_CONFIGURATIONS = { 'Debug' => :debug, 'Release' => :release }.freeze
 
-      attr_reader :build_configurations
-
       def initialize(path = nil, build_configurations = {})
         self.path = path if path
         @build_configurations = build_configurations.merge(DEFAULT_BUILD_CONFIGURATIONS)
       end
 
       def path=(path)
-        path = path.to_s
-        @path = config.project_root + (File.extname(path) == '.xcodeproj' ? path : "#{path}.xcodeproj")
+        path  = path.to_s
+        @path = Pathname.new(File.extname(path) == '.xcodeproj' ? path : "#{path}.xcodeproj")
+        @path = config.project_root + @path unless @path.absolute?
+        @path
       end
 
       def path
@@ -27,6 +27,20 @@ module Pod
           end
         end
       end
+
+      def project
+        Xcodeproj::Project.new(path) if path
+      end
+
+      def build_configurations
+        if project
+          project.build_configurations.map(&:name).inject({}) do |hash, name|
+            hash[name] = :release; hash
+          end.merge(@build_configurations)
+        else
+          @build_configurations
+        end
+      end
     end
 
     class TargetDefinition

spec/unit/podfile_spec.rb

@@ -248,7 +248,8 @@ describe "Pod::Podfile" do
       @podfile.target_definitions[:nested_osx_target].should.not.be.exclusive
     end
 
-    it "returns the custom configurations, that the user's project contains, and wether it should be based on a debug or a release build" do
+    it "returns the specified configurations and wether it should be based on a debug or a release build" do
+      Pod::Podfile::UserProject.any_instance.stubs(:project)
       all = { 'Release' => :release, 'Debug' => :debug, 'Test' => :debug }
       @podfile.target_definitions[:default].user_project.build_configurations.should == all.merge('iOS App Store' => :release)
       @podfile.target_definitions[:test].user_project.build_configurations.should == all.merge('iOS App Store' => :release)
@@ -257,6 +258,11 @@ describe "Pod::Podfile" do
       @podfile.user_build_configurations.should == all.merge('iOS App Store' => :release, 'Mac App Store' => :release)
     end
 
+    it "defaults, for unspecified configurations, to a release build" do
+      project = Pod::Podfile::UserProject.new(fixture('SampleProject/SampleProject.xcodeproj'), 'Test' => :debug)
+      project.build_configurations.should == { 'Release' => :release, 'Debug' => :debug, 'Test' => :debug, 'App Store' => :release }
+    end
+
     describe "with an Xcode project that's not in the project_root" do
       before do
         @target_definition = @podfile.target_definitions[:default]