# File lib/bundler/rubygems_ext.rb, line 26
    def git_version
      if @loaded_from && File.exist?(File.join(full_gem_path, ".git"))
        sha = Dir.chdir(full_gem_path){ `git rev-parse HEAD`.strip }
        branch = full_gem_path.split("-")[3]
        (branch && branch != sha) ? " #{branch}-#{sha[0...6]}" : " #{sha[0...6]}"
      end
    end