SASS安装和WebStorm的配置

注意：mac上自带ruby环境一般不用安装

sudo curl -L https://get.rvm.io | bash -s stable

sudo source ~/.rvm/scripts/rvm

rvm -v

sudo rvm install ruby-2.0.0-p648

gem -v

gem sources --remove https://rubygems.org/

gem sources -a https://ruby.taobao.org/ 

gem sources -l

https://ruby.taobao.org# 请确保只有 ruby.taobao.org

gem install sass

`ERROR: While executing gem ... (Errno::EPERM)

Operation not permitted - /usr/bin/sass`

$ sudo gem install -n /usr/local/bin sass

sass -v

sass command not found