Allow the use of the Rake FileList class for source_files, clean_paths, and resources. Fixes #65.

Rakefile

@@ -81,6 +81,7 @@ namespace :examples do
     require 'pathname'
     result = []
     examples = Pathname.new(File.expand_path('../examples', __FILE__))
+    return [examples + ENV['example']] if ENV['example']
     examples.entries.each do |example|
       next if %w{ . .. }.include?(example.basename.to_s)
       example = examples + example

lib/cocoapods.rb

@@ -19,6 +19,7 @@ module Pod
   autoload :Version,                'cocoapods/version'
 
   autoload :Pathname,               'pathname'
+  autoload :FileList,               'cocoapods/file_list'
 end
 
 module Xcodeproj

lib/cocoapods/file_list.rb

@@ -0,0 +1,34 @@
+require 'rake'
+
+# This makes Rake::FileList usable with the Specification attributes
+# source_files, clean_paths, and resources.
+
+module Rake
+  class FileList
+    def prepend_patterns(pathname)
+      @pending_add.map! { |pattern| (pathname + pattern).to_s }
+    end
+
+    def directory?
+      false
+    end
+
+    def glob
+      to_a.map { |path| Pathname.new(path) }
+    end
+  end
+end
+
+class Pathname
+  alias_method :_original_sum, :+
+  def +(other)
+    if other.is_a?(Rake::FileList)
+      other.prepend_patterns(self)
+      other
+    else
+      _original_sum(other)
+    end
+  end
+end
+
+

lib/cocoapods/specification.rb

@@ -1,34 +1,3 @@
-require 'rake'
-
-module Rake
-  class FileList
-    def prepend_patterns(pathname)
-      @pending_add.map! { |pattern| (pathname + pattern).to_s }
-    end
-
-    # This makes Rake::FileList usable with source_files and clean_paths.
-    def directory?
-      false
-    end
-
-    def glob
-      to_a.map { |path| Pathname.new(path) }
-    end
-  end
-end
-
-class Pathname
-  alias_method :_original_sum, :+
-  def +(other)
-    if other.is_a?(Rake::FileList)
-      other.prepend_patterns(self)
-      other
-    else
-      _original_sum(other)
-    end
-  end
-end
-
 module Pod
   extend Config::Mixin
 
@@ -99,30 +68,18 @@ module Pod
     end
 
     def source_files=(patterns)
-      if !patterns.is_a?(Rake::FileList) && patterns.is_a?(Array)
-        @source_files = patterns
-      else
-        @source_files = [patterns]
-      end
+      @source_files = pattern_list(patterns)
     end
     attr_reader :source_files
 
     def resources=(patterns)
-      if !patterns.is_a?(Rake::FileList) && patterns.is_a?(Array)
-        @resources = patterns
-      else
-        @resources = [patterns]
-      end
+      @resources = pattern_list(patterns)
     end
     attr_reader :resources
     alias_method :resource=, :resources=
 
     def clean_paths=(patterns)
-      if !patterns.is_a?(Rake::FileList) && patterns.is_a?(Array)
-        @clean_paths = patterns
-      else
-        @clean_paths = [patterns]
-      end
+      @clean_paths = pattern_list(patterns)
     end
     attr_reader :clean_paths
     alias_method :clean_path=, :clean_paths=
@@ -222,6 +179,14 @@ module Pod
       false
     end
 
+    def pattern_list(patterns)
+      if patterns.is_a?(Array) && (!defined?(Rake) || !patterns.is_a?(Rake::FileList))
+        patterns
+      else
+        [patterns]
+      end
+    end
+
     # Returns all resource files of this pod, but relative to the
     # project pods root.
     def expanded_resources

spec/functional/command_spec.rb

@@ -4,10 +4,6 @@ describe "Pod::Command" do
   extend SpecHelper::Git
   extend SpecHelper::TemporaryDirectory
 
-  before do
-    fixture('spec-repos/master') # ensure the archive is unpacked
-  end
-
   it "creates the local spec-repos directory and creates a clone of the `master' repo" do
     command = Pod::Command.parse('setup', '--silent')
     def command.master_repo_url; SpecHelper.fixture('spec-repos/master'); end

spec/functional/downloader_spec.rb

@@ -37,7 +37,7 @@ describe "Pod::Downloader" do
       :git => fixture('banana-lib'), :tag => 'v1.0'
     )
     downloader.download
-    downloader.clean(['README'])
+    downloader.clean([@dir + 'README'])
     (@dir + 'README').should.not.exist
   end
 end

spec/unit/specification_spec.rb

@@ -273,7 +273,7 @@ describe "A Pod::Specification, in general," do
   end
 
   it "takes any object for clean_paths as long as it responds to #glob (we provide this for Rake::FileList)" do
-    require 'rake'
+    Pod::FileList # autoload
     @spec.clean_paths = FileList['*'].exclude('Rakefile')
     list = ROOT + @spec.clean_paths.first
     list.glob.should == FileList[(ROOT + '*').to_s].exclude('Rakefile').map { |path| Pathname.new(path) }