specific-install

问题 I am trying to run 'gem specific_install' (https://github.com/rdp/specific_install) to install another gem from a Github repository: sudo gem specific_install https://github.com/RemoteRepository/foo_gem.git After being prompted for my Github Username and password, I am able to download the gem. However, I get the following error: ERROR: While executing gem ... (NoMethodError) undefined method `build' for Gem::Package:Module Apparently, other people have the same error based on a comment to a