Add Mercurial downloader. Closes #82.

.gitignore

@@ -13,3 +13,4 @@ examples/**/Pods
 spec/fixtures/banana-lib
 pod
 /concatenated.*
+spec/fixtures/mercurial-repo/.hg/cache
\ No newline at end of file

lib/cocoapods/downloader.rb

 module Pod
   class Downloader
+    autoload :Git,       'cocoapods/downloader/git'
+    autoload :Mercurial, 'cocoapods/downloader/mercurial'
+
     extend Executable
 
     def self.for_source(pod_root, source)
@@ -24,75 +27,5 @@ module Pod
         path.rmtree
       end if clean_paths
     end
-
-    class Git < Downloader
-      executable :git
-
-      def download
-        @pod_root.dirname.mkpath
-        if @options[:tag]
-          download_tag
-        elsif @options[:commit]
-          download_commit
-        else
-          download_head
-        end
-      end
-
-      def download_head
-        git "clone '#{@url}' '#{@pod_root}'"
-      end
-
-      def download_tag
-        @pod_root.mkpath
-        Dir.chdir(@pod_root) do
-          git "init"
-          git "remote add origin '#{@url}'"
-          git "fetch origin tags/#{@options[:tag]}"
-          git "reset --hard FETCH_HEAD"
-          git "checkout -b activated-pod-commit"
-        end
-      end
-
-      def download_commit
-        git "clone '#{@url}' '#{@pod_root}'"
-        Dir.chdir(@pod_root) do
-          git "checkout -b activated-pod-commit #{@options[:commit]}"
-        end
-      end
-
-      def clean(clean_paths = [])
-        super
-        (@pod_root + '.git').rmtree
-      end
-    end
-
-    class Mercurial < Downloader
-      extend Executable
-      executable :hg
-
-      def download
-        @pod_root.dirname.mkpath
-        if @options[:revision]
-          download_revision
-        else
-          download_head
-        end
-      end
-
-      def download_head
-        hg "clone '#{@url}' '#{@pod_root}'"
-      end
-
-      def download_revision
-        hg "clone '#{@url}' --rev '#{@options[:revision]}' '#{@pod_root}'"
-      end
-
-      def clean(clean_paths = [])
-        super
-        #(@pod_root + '.git').rmtree
-        puts "TODO clean mercurial!"
-      end
-    end
   end
 end

lib/cocoapods/downloader/git.rb

+module Pod
+  class Downloader
+    class Git < Downloader
+      executable :git
+
+      def download
+        @pod_root.dirname.mkpath
+        if @options[:tag]
+          download_tag
+        elsif @options[:commit]
+          download_commit
+        else
+          download_head
+        end
+      end
+
+      def download_head
+        git "clone '#{@url}' '#{@pod_root}'"
+      end
+
+      def download_tag
+        @pod_root.mkpath
+        Dir.chdir(@pod_root) do
+          git "init"
+          git "remote add origin '#{@url}'"
+          git "fetch origin tags/#{@options[:tag]}"
+          git "reset --hard FETCH_HEAD"
+          git "checkout -b activated-pod-commit"
+        end
+      end
+
+      def download_commit
+        git "clone '#{@url}' '#{@pod_root}'"
+        Dir.chdir(@pod_root) do
+          git "checkout -b activated-pod-commit #{@options[:commit]}"
+        end
+      end
+
+      def clean(clean_paths = [])
+        super
+        (@pod_root + '.git').rmtree
+      end
+    end
+  end
+end
+

lib/cocoapods/downloader/mercurial.rb

+module Pod
+  class Downloader
+    class Mercurial < Downloader
+      executable :hg
+
+      def download
+        @pod_root.dirname.mkpath
+        if @options[:revision]
+          download_revision
+        else
+          download_head
+        end
+      end
+
+      def download_head
+        hg "clone '#{@url}' '#{@pod_root}'"
+      end
+
+      def download_revision
+        hg "clone '#{@url}' --rev '#{@options[:revision]}' '#{@pod_root}'"
+      end
+
+      def clean(clean_paths = [])
+        super
+        (@pod_root + '.hg').rmtree
+      end
+    end
+  end
+end
+

spec/functional/downloader_spec.rb

 require File.expand_path('../../spec_helper', __FILE__)
 
 describe "Pod::Downloader" do
-  extend SpecHelper::TemporaryDirectory
-
   before do
     @dir = temporary_directory + 'banana-lib'
   end
 
+  describe "for Git" do
+    extend SpecHelper::TemporaryDirectory
+
     it "check's out a specific commit" do
       downloader = Pod::Downloader.for_source(@dir,
         :git => fixture('banana-lib'), :commit => '02467b074d4dc9f6a75b8cd3ab80d9bf37887b01'
@@ -40,5 +41,38 @@ describe "Pod::Downloader" do
       downloader.clean([@dir + 'README'])
       (@dir + 'README').should.not.exist
     end
+  end
+
+  describe "for Mercurial" do
+    extend SpecHelper::TemporaryDirectory
+
+    it "check's out a specific revision" do
+      downloader = Pod::Downloader.for_source(@dir,
+        :hg => fixture('mercurial-repo'), :revision => '46198bb3af96'
+      )
+      downloader.download
+      (@dir + 'README').read.strip.should == 'first commit'
+    end
+
+    it "removes the .hg directory" do
+      downloader = Pod::Downloader.for_source(@dir,
+        :hg => fixture('mercurial-repo'), :revision => '46198bb3af96'
+      )
+      downloader.download
+      downloader.clean
+      (@dir + '.hg').should.not.exist
+    end
+
+    it "removes the clean_paths files and directories" do
+      downloader = Pod::Downloader.for_source(@dir,
+        :hg => fixture('mercurial-repo'), :revision => '46198bb3af96'
+      )
+      downloader.download
+      downloader.clean([@dir + 'README'])
+      (@dir + 'README').should.not.exist
+    end
+
+  end
+
 end