# File lib/bundler/source/git/git_proxy.rb, line 37
        def initialize(path, uri, ref, revision = nil, git = nil)
          @path     = path
          @uri      = uri
          @ref      = ref
          @revision = revision
          @git      = git
          raise GitNotInstalledError.new if allow? && !Bundler.git_present?
        end