Recently, I need to develop a new project, so I upgraded the latest Mac OS and Xcode 9 as the project environment for development, but there is a problem when cocoaPods install, prompting RuntimeError – [Xcodeproj] Unknown object version.
Sudo gem update –system
Install the latest cocoaPods version sudo gem install -n /usr/local/bin cocoaPods –pre
Add taobao source :gem sources -a https://ruby.taobao.org/ (http://gems.ruby-china.org note: Taobao source is not maintained, replace the official Chinese source, note is HTTP, not HTTPS)
pod install
Conclusion:
CocoaPods is written in Ruby and is divided into several Gem packages. The most important package paths are CocoaPods/CocoaPods, CocoaPods/Core, and CocoaPods/Xcodeproj.
CocoaPods / CocoaPod
This is the user-facing component that is activated every time you execute a POD command. It includes all the functionality of working with CocoaPods and can also call other gem packages to perform tasks.
CocoaPods / Core
Core gem provides processing of files associated with CocoaPods (mainly Podfiles and Podspecs).
To successfully upgrade Cocoapods, you need to have the correct process and command statements.
Update gem: sudo gem update –system
2. Delete the gem source: gem sources –remove http://gems.ruby-china.org
3, add gem source: gem sources -a http://gems.ruby-china.org(Taobao source no longer maintain, replace the official Chinese source, note is HTTP, not HTTPS)
4, check whether the gem source is the latest: gem source-l
Sudo gem install -n /usr/local/bin cocoapods –pre
6. Check the current cocoapods version: POD –version
Pod install/pod install –verbose –no-repo-update