Link Gemfile git URLs

lib/gitlab/dependency_linker/gemfile_linker.rb

@@ -16,6 +16,9 @@ module Gitlab
           "https://github.com/#{name}"
         end
 
+        # Link `git: "https://gitlab.example.com/user/repo"` to https://gitlab.example.com/user/repo
+        link_regex(%r{(git:|:git\s*=>)\s*['"](?<name>https?://[^'"]+)['"]}) { |url| url }
+
         # Link `source "https://rubygems.org"` to https://rubygems.org
         link_method_call("source", %r{https?://[^'"]+}) { |url| url }
       end

spec/lib/gitlab/dependency_linker/gemfile_linker_spec.rb

@@ -30,7 +30,7 @@ describe Gitlab::DependencyLinker::GemfileLinker, lib: true do
 
         # Specify a sprockets version due to increased performance
         # See https://gitlab.com/gitlab-org/gitlab-ce/issues/6069
-        gem 'sprockets', '~> 3.6.0'
+        gem 'sprockets', '~> 3.6.0', git: 'https://gitlab.example.com/gems/sprockets'
 
         # Default values for AR models
         gem 'default_value_for', '~> 3.0.0'
@@ -59,5 +59,9 @@ describe Gitlab::DependencyLinker::GemfileLinker, lib: true do
       expect(subject).to include(link('rails/rails', 'https://github.com/rails/rails'))
       expect(subject).to include(link('rails/responders', 'https://github.com/rails/responders'))
     end
+
+    it 'links Git repos' do
+      expect(subject).to include(link('https://gitlab.example.com/gems/sprockets', 'https://gitlab.example.com/gems/sprockets'))
+    end
   end
 end