Make sure pod removes the .git directory when cleaning (using github downloader)

lib/cocoapods/downloader/git.rb

@@ -60,13 +60,21 @@ module Pod
       end
 
       def clean
-        # no-op
+        if download_only?
+          FileUtils.rm_f(tmp_path)
+        else
+          super
+        end
       end
 
       def tarball_url_for(id)
         original_url, username, reponame = *(url.match(/[:\/]([\w\-]+)\/([\w\-]+)\.git/).to_a)
         "https://github.com/#{username}/#{reponame}/tarball/#{id}"
       end
+      
+      def tmp_path
+        target_path + "tarball.tar.gz"
+      end
 
       private
 
@@ -75,8 +83,6 @@ module Pod
       end
 
       def download_and_extract_tarball(id)
-        tmp_path = target_path + "tarball.tar.gz"
-
         File.open(tmp_path, "w+") do |tmpfile|
           open tarball_url_for(id) do |archive|
             tmpfile.write Zlib::GzipReader.new(archive).read
@@ -84,8 +90,6 @@ module Pod
 
           system "tar xf #{tmpfile.path} -C #{target_path} --strip-components 1"
         end
-
-        FileUtils.rm_f(tmp_path)
       end
     end
   end

spec/functional/downloader_spec.rb

@@ -84,9 +84,21 @@ describe "Pod::Downloader" do
       downloader = Pod::Downloader.for_pod(@pod)
       
       VCR.use_cassette('tarballs', :record => :new_episodes) { downloader.download }
-      
+      downloader.clean
+
       (@pod.root + 'tarball.tar.gz').should.not.exist
     end
+    
+    it "removes the .git directory when cleaning" do
+      @pod.specification.stubs(:source).returns(
+        :git => "git://github.com/lukeredpath/libPusher.git", :download_only => false
+      )
+      downloader = Pod::Downloader.for_pod(@pod)
+      downloader.download
+      downloader.clean
+      (@pod.root + '.git').should.not.exist
+    end
+    
   end
   
   describe "for Mercurial" do