koenpunt/capistrano-nvm — pull request #4 by kenji0x02 (2014-08-14 11:40:42+00:00)
Title: add nvm_roles for set roles that validate nvm is installed or not

Right now this validation is run in all servers. In my case my db server is not a node server, so it has not any Node.js and, of course, any nvm installation.
I was referring to the :rbenv_roles in capistrano/rbenv.