Added build flags option to gem installer

lib/sprinkle/installers/gem.rb

@@ -54,6 +54,7 @@ def install_commands #:nodoc:
           cmd << " --source #{source}" if source
           cmd << " --install-dir #{repository}" if option?(:repository)
           cmd << " --no-rdoc --no-ri" unless option?(:build_docs)
+          cmd << " -- #{build_flags}" if option?(:build_flags)
           cmd
         end
 

spec/sprinkle/installers/gem_spec.rb

@@ -5,7 +5,7 @@
   before do
     @gem = 'rails'
     @version = '2.0.2'
-    @options = { :source => 'http://gems.github.com/', :repository => '/tmp/gems' }
+    @options = { :source => 'http://gems.github.com/', :repository => '/tmp/gems', :build_flags => '--build_flag=foo' }
   end
 
   def create_gem(gem, version = nil, options = {}, &block)
@@ -34,6 +34,10 @@ def create_gem(gem, version = nil, options = {}, &block)
     it 'should optionally store the repository location where gems are to be installed' do
       @installer.repository.should == @options[:repository]
     end
+
+    it 'should optionally store the build flags' do
+      @installer.build_flags.should == @options[:build_flags]
+    end
 
   end
 
@@ -70,6 +74,18 @@ def create_gem(gem, version = nil, options = {}, &block)
 
     end
 
+    describe 'with build flags' do
+
+      before do
+        @installer = create_gem @gem, nil, :build_flags => '--option=foo'
+      end
+
+      it 'should install with defined build flags' do
+        @installer.send(:install_commands).should == "gem install #{@gem} --no-rdoc --no-ri -- --option=foo"
+      end
+
+    end
+
   end
 
 end