Chsource

gem install chsource

Usage: chsource SOURCE

Examples:
  $ chsource taobao   => source 'http://ruby.taobao.org'
  $ chsource gzruby   => source 'http://gems.gzruby.org'
  $ chsource tsinghua => source 'http://mirrors.tuna.tsinghua.edu.cn/rubygems'
  $ chsource rubygems => source 'http://rubygems.org'

Options:
    -v, --version                    Print the version
    -h, --help                       Show this message