一、更新gem
1.查看gem版本號
gem -v
2.查看ruby源。
gem sources -l
3.替換ruby源(如果是https://gems.ruby-china.com, 則跳過3、4步)
gem sources --remove https://gems.ruby-china.org
gem sources --add https://gems.ruby-china.com
注意是https://gems.ruby-china.com 不是https://gems.ruby-china.org.
4.確保ruby源是https://gems.ruby-china.com
gem sources -l
5.更新gem版本
gem update --system
如果錯誤:
>ERROR: While executing gem ... (Gem::FilePermissionError)
You don't have write permissions for the /Library/Ruby/Gems/2.3.0 directory.
使用:
sudo gem update --system
6.打印gem版本號 是否成功
gem -v
二、更新CocoaPods
1.更新CocoaPods
sudo gem install cocoapods
如果錯誤:
ERROR: While executing gem ... (Gem::FilePermissionError)
You don't have write permissions for the /usr/bin directory.
使用:
sudo gem install -n /usr/local/bin cocoapods
卸載cocoapods :
sudo gem uninstall cocoapods
2.git clone 要比git fetch快許多, 所以在使用cocoapods時儘量避免執行git fetch 參考: http://www.cocoachina.com/ios/20170208/18645.html
pod update --no-repo-update --verbose
--verbose的作用就是打印出執行過程中詳細的信息.
--no-repo-update的作用就是禁止更新repo, 這樣就避免執行了git fetch,從而加快速度。