1 files changed, 59 insertions, 0 deletions
diff --git a/jni/ruby/lib/rubygems/resolver/git_specification.rb b/jni/ruby/lib/rubygems/resolver/git_specification.rb
new file mode 100644
index 0000000..55e180e
--- /dev/null
+++ b/jni/ruby/lib/rubygems/resolver/git_specification.rb
@@ -0,0 +1,59 @@
+##
+# A GitSpecification represents a gem that is sourced from a git repository
+# and is being loaded through a gem dependencies file through the +git:+
+# option.
+
+class Gem::Resolver::GitSpecification < Gem::Resolver::SpecSpecification
+
+  def == other # :nodoc:
+    self.class === other and
+      @set  == other.set and
+      @spec == other.spec and
+      @source == other.source
+  end
+
+  def add_dependency dependency # :nodoc:
+    spec.dependencies << dependency
+  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
+
+  def pretty_print q # :nodoc:
+    q.group 2, '[GitSpecification', ']' do
+      q.breakable
+      q.text "name: #{name}"
+
+      q.breakable
+      q.text "version: #{version}"
+
+      q.breakable
+      q.text 'dependencies:'
+      q.breakable
+      q.pp dependencies
+
+      q.breakable
+      q.text "source:"
+      q.breakable
+      q.pp @source
+    end
+  end
+
+end
+