1 files changed, 19 insertions, 0 deletions
diff --git a/lib/rubygems/resolver/git_specification.rb b/lib/rubygems/resolver/git_specification.rb
index ac8d4e9aeb..113e7ea9de 100644
--- a/lib/rubygems/resolver/git_specification.rb
+++ b/lib/rubygems/resolver/git_specification.rb
@@ -12,5 +12,24 @@ class Gem::Resolver::GitSpecification < Gem::Resolver::SpecSpecification
       @source == other.source
   end
 
+  ##
+  # Installing a git gem only involves building the extensions and generating
+  # the executables.
+
+  def install options
+    require 'rubygems/installer'
+
+    installer = Gem::Installer.new '', options
+    installer.spec = spec
+
+    yield installer if block_given?
+
+    installer.run_pre_install_hooks
+    installer.build_extensions
+    installer.run_post_build_hooks
+    installer.generate_bin
+    installer.run_post_install_hooks
+  end
+
 end