Pod Update: RuntimeError - [Xcodeproj] Unknown object version. Xcode Beta 5

[TheApApp]

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What did you do?

pod update

What did you expect to happen?

Trying to add RxSwift to a iOS 12 project I am working on with Beta 5 of Xcode 10.

What happened instead?

received the error RuntimeError - [Xcodeproj] Unknown object version.

CocoaPods Environment

Stack

   CocoaPods : 1.5.3
        Ruby : ruby 2.3.7p456 (2018-03-28 revision 63024) [universal.x86_64-darwin18]
    RubyGems : 2.5.2.3
        Host : Mac OS X 10.14 (18A353d)
       Xcode : 9.4.1 (9F2000)
         Git : git version 2.15.2 (Apple Git-101.1)
Ruby lib dir : /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib
Repositories : master - https://github.com/CocoaPods/Specs.git @ e434706ac19542c15f62606df118dc800193f13d

Installation Source

Executable Path: /usr/local/bin/pod

Plugins

cocoapods-deintegrate : 1.0.2
cocoapods-plugins     : 1.0.0
cocoapods-search      : 1.0.0
cocoapods-stats       : 1.0.0
cocoapods-trunk       : 1.3.0
cocoapods-try         : 1.1.0

Podfile

# Uncomment the next line to define a global platform for your project
platform :ios, '11.4'


target 'WastedTime' do
  # Comment the next line if you're not using Swift and don't want to use dynamic frameworks
  use_frameworks!
	pod 'TwitterKit' 
    pod 'TwitterCore'
    pod "RxSwift"
    pod "RxCocoa"
    
  # 'JTSImageViewController'

end

Error

RuntimeError - [Xcodeproj] Unknown object version.
/Library/Ruby/Gems/2.3.0/gems/xcodeproj-1.5.9/lib/xcodeproj/project.rb:218:in `initialize_from_file'
/Library/Ruby/Gems/2.3.0/gems/xcodeproj-1.5.9/lib/xcodeproj/project.rb:103:in `open'
/Users/michaelrowe/.gem/ruby/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/installer/analyzer.rb:918:in `block (2 levels) in inspect_targets_to_integrate'
/Users/michaelrowe/.gem/ruby/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/installer/analyzer.rb:917:in `each'
/Users/michaelrowe/.gem/ruby/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/installer/analyzer.rb:917:in `block in inspect_targets_to_integrate'
/Users/michaelrowe/.gem/ruby/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/user_interface.rb:64:in `section'
/Users/michaelrowe/.gem/ruby/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/installer/analyzer.rb:912:in `inspect_targets_to_integrate'
/Users/michaelrowe/.gem/ruby/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/installer/analyzer.rb:78:in `analyze'
/Users/michaelrowe/.gem/ruby/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/installer.rb:243:in `analyze'
/Users/michaelrowe/.gem/ruby/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/installer.rb:154:in `block in resolve_dependencies'
/Users/michaelrowe/.gem/ruby/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/user_interface.rb:64:in `section'
/Users/michaelrowe/.gem/ruby/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/installer.rb:153:in `resolve_dependencies'
/Users/michaelrowe/.gem/ruby/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/installer.rb:116:in `install!'
/Users/michaelrowe/.gem/ruby/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/command/update.rb:97:in `run'
/Library/Ruby/Gems/2.3.0/gems/claide-1.0.2/lib/claide/command.rb:334:in `run'
/Users/michaelrowe/.gem/ruby/2.3.0/gems/cocoapods-1.5.3/lib/cocoapods/command.rb:52:in `run'
/Users/michaelrowe/.gem/ruby/2.3.0/gems/cocoapods-1.5.3/bin/pod:55:in `<top (required)>'
/usr/local/bin/pod:22:in `load'
/usr/local/bin/pod:22:in `<main>'

[dnkoutso]

Hello there, can you please upload a sample app? There is a chance this is already fixed on Xcodeproj master. Use Bundler (https://bundler.io/v1.12/git.html) to install and use it.

[TheApApp]

Not sure what details you need in the sample project.. I tried to do the same update on another computer that is not using Mojave or the xCode 10 beta... do you just need the xCodeproj file? - This is my first post here.. so I am assuming Bundler is used to compress and package the project?

I tried to update to —pre of cocoapods, and it still has the issue, so my assumption is that the XCodeproj master you are referencing is not in the pre-release build.. how can I test it?

[dnkoutso]

Bundler can help you use point to a specific git SHA of the Xcodeproj gem however this might still not fix the issue.

The .xcodeproj sample I think might be helpful if you can upload any that demonstrates the issue and the Bundler solution doesn't work.

[TheApApp]

OK, here's the Xcode Workspace and two project files as well as the podfile. I am trusting that they don't contain anything like developer keys, etc. (if so let me know and I will delete)
WastedTime.xcworkspace.zip
WastedTime.xcodeproj.zip
Pods.xcodeproj.zip

[dnkoutso]

thank you very much will take a look.

[TheApApp]

Do you have all you need?

[dnkoutso]

This worked for me on latest master

The Gemfile's dependencies are satisfied
Analyzing dependencies
Downloading dependencies
Installing TwitterCore (3.2.0)
Installing TwitterKit (3.4.0)
Generating Pods project
Integrating client project
Pod installation complete! There are 2 dependencies from the Podfile and 2 total pods installed.

[TheApApp]

Hmmm.. it should also be pulling in RxSwift and rxcocoa

[dnkoutso]

I had those removed on purpose but will try again with them

[dnkoutso]

@TheApApp can you please try 1.6.0.beta.1?

[dnkoutso]

I am on Xcode 10 Beta 5 with your project and all the dependencies and it all works.

[dnkoutso]

Using RxCocoa (4.2.0)
Using RxSwift (4.2.0)
Using TwitterCore (3.2.0)
Using TwitterKit (3.4.0)
Generating Pods project
Integrating client project
Pod installation complete! There are 4 dependencies from the Podfile and 4 total pods installed.

[TheApApp]

Ok.. then I am confused... but I guess it is not recreatable on your side.. go ahead and close

[dnkoutso]

@TheApApp OK, can you also try 1.6.0.beta.1 it was just released!

Also ensure that your compatibility version of Xcode is something like 3.2:

[TheApApp]

I uninstalled cocoapods and reinstalled and still same issue

[TheApApp]

New update .. the 1.6.0 version of Cocoapods seems to have fixed all my issues. And I have successfully run the pod update!!

[dnkoutso]

yay!

[knightcode]

downgrading my project file from Xcode 10-compatible to Xcode 8.0-compatible worked for me on this one