Fix minor todos

lib/cocoapods/installer/file_references_installer.rb

@@ -33,9 +33,7 @@ module Pod
       # @return [void]
       #
       def install!
-        file_accessors.each do |fa|
-          fa.path_list.read_file_system
-        end
+        refresh_file_accessors
         add_source_files_references
         add_resources_references
         link_headers
@@ -47,6 +45,19 @@ module Pod
 
       # @!group Installation Steps
 
+      # Reads the file accessors contents from the file system.
+      #
+      # @note   The contents of the file accessors are modified by the clean
+      #         step of the #{PodSourceInstaller} and by the pre install hooks.
+      #
+      # @return [void]
+      #
+      def refresh_file_accessors
+        file_accessors.each do |fa|
+          fa.path_list.read_file_system
+        end
+      end
+
       # Adds the source files of the Pods to the Pods project.
       #
       # @note   The source files are grouped by Pod and in turn by subspec

lib/cocoapods/installer/pod_source_installer.rb

@@ -271,18 +271,13 @@ module Pod
       def used_files
         files = [
           file_accessors.map(&:source_files),
-          file_accessors.map(&:resources).first.values, #TODO
+          file_accessors.map(&:resources).map(&:values).flatten,
           file_accessors.map(&:preserve_paths),
           file_accessors.map(&:prefix_header),
           file_accessors.map(&:readme),
           file_accessors.map(&:license),
         ]
-        files.compact!
-        files.flatten!
-        files.uniq!
-        files.map!{ |path| path.to_s }
-        files.reject! { |path| path == "" } #TODO
-        files
+        files.flatten.map!{ |path| path.to_s }.uniq
       end
 
       #-----------------------------------------------------------------------#

spec/spec_helper.rb

@@ -11,6 +11,7 @@ $:.unshift((ROOT + 'spec').to_s)
 
 require 'cocoapods'
 require 'claide'
+require 'awesome_print'
 
 require 'spec_helper/bacon'           # Prettifies the bacon output and adds support for `xit`.
 require 'spec_helper/command'         # Allows to run Pod commands and returns their output.
@@ -88,7 +89,7 @@ def fixture_file_accessor(name, platform = :ios)
   file = SpecHelper::Fixture.fixture(name)
   spec = Pod::Specification.from_file(file)
   path_list = Pod::Sandbox::PathList.new(file.dirname)
-  file_accessor = Pod::Sandbox::FileAccessor.new(path_list, spec.consumer(platform))
+  Pod::Sandbox::FileAccessor.new(path_list, spec.consumer(platform))
 end
 
 # TODO This should not be needed anymore

spec/unit/installer/file_references_installer_spec.rb

@@ -15,6 +15,12 @@ module Pod
 
     describe "Installation" do
 
+      it "adds the files references of the source files the Pods project" do
+        @file_accessor.path_list.read_file_system
+        @file_accessor.path_list.expects(:read_file_system)
+        @installer.install!
+      end
+
       it "adds the files references of the source files the Pods project" do
         @installer.install!
         group_ref = @installer.pods_project['Pods/BananaLib']