Objective-C Shell脚本实现iOS自动化编译打包，提交到fir内部测试。

1.问题？
第一步：》》》123456:promotion_sales ule_zhangfanglin$ sudo gem install fir-cli
Password:
ERROR: Could not find a valid gem 'fir-cli' (>= 0) in any repository

第二步》》》123456:promotion_sales ule_zhangfanglin$ xcode-select --install
xcode-select: note: install requested for command line developer tools
123456:promotion_sales ule_zhangfanglin$ sudo gem install fir-cli

第三部或者第四部》》》123456:promotion_sales ule_zhangfanglin$ curl -L https://get.rvm.io | bash -s stable --ruby
Installing RVM to /Users/admin/.rvm/
Adding rvm PATH line to /Users/admin/.profile /Users/admin/.mkshrc /Users/admin/.bashrc /Users/admin/.zshrc.
Adding rvm loading line to /Users/admin/.profile /Users/admin/.bash_profile /Users/admin/.zlogin.
Installation of RVM in /Users/admin/.rvm/ is almost complete:
第四部》》》
123456:promotion_sales ule_zhangfanglin$ gem sources --add https://ruby.taobao.org/ --remove https://rubygems.org/
source https://ruby.taobao.org/ already present in the cache
source https://rubygems.org/ not present in cache
123456:promotion_sales ule_zhangfanglin$ sudo gem install fir-cli
Password:
Fetching: rqrcode-0.10.1.gem (100%)
Successfully installed rqrcode-0.10.1
Fetching: fir-cli-1.6.3.gem (100%)

    ______________        ________    ____
   / ____/  _/ __ \      / ____/ /   /  _/
  / /_   / // /_/ /_____/ /   / /    / /
 / __/ _/ // _, _/_____/ /___/ /____/ /
/_/   /___/_/ |_|      \____/_____/___/

2问题？
./xcbuild.sh: line 27: xcpretty: command not found
123456:~ ule_zhangfanglin$ gem install xcpretty
Fetching: rouge-2.0.7.gem (100%)