chruby:未知的Ruby: ruby-2.2.0

Question

有了chruby，为什么.ruby-version中的ruby-2.2.0不能工作，而chruby ruby-2.2.0可以呢？

% whoami
mark
% sudo su myapp
% cd /home/www/myapp/
% whoami
chruby: unknown Ruby: ruby-2.2.0
myapp
% cat .ruby-version
ruby-2.2.0
% which ruby
/usr/local/bin/ruby
% chruby ruby-2.2.0
% which ruby
/home/www/myapp/.rubies/ruby-2.2.0/bin/ruby 

Ruby on Rails部署的完整文本：

https://gist.github.com/dt1973/7b99dfb75bd26e1e5ed7

Answer 1

在.ruby-version中只需放入2.2.0，即

echo 2.2.0 > .ruby-version