1、升級
sudo gem install cocoapods
若不成功,則先更新gem
sudo gem update --system
2、降級
先用gem list
查看版本署海,然后卸載當(dāng)前版本
gem list
sudo gem uninstall -n /usr/local/bin cocoapods -v 1.10.1
執(zhí)行完上面命令后,再執(zhí)行gem list
查看下,發(fā)現(xiàn)cocoapods-core(1.10.1)
并沒有卸載干凈医男;如果依次執(zhí)行以下命令卸載砸狞,會比較干凈
sudo gem uninstall cocoapods
sudo gem uninstall cocoapods-core
sudo gem uninstall cocoapods-deintegrate
sudo gem uninstall cocoapods-downloader
sudo gem uninstall cocoapods-plugins
sudo gem uninstall cocoapods-search
sudo gem uninstall cocoapods-stats
sudo gem uninstall cocoapods-trunk
sudo gem uninstall cocoapods-try
最后安裝指定版本
sudo gem install -n /usr/local/bin cocoapods -v 1.8.3