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CocoaPods and Carthage

I had a project with both Carthage and Cocoapods. They both have one common dependency (PureLayout, to be precise). Strange, but project compiles fine without any errors about class redeclaration, etc. So the question is: why it works and which version of dependency is actually used when I call PureLayout's methods – Carthage's or Cocoapods' one?

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`Carthage` and `CocoaPods` are very different in terms of building the dependencies and integrating them in the project. 

CocoaPods is centralized dependency manager and it will build your dependencies and integrate them directly in the project by creating new `.xcworkspace` workspace. This means that you get access to the build dependencies right after building.

Carthage on the other hand is decentralized dependency manager and it leaves you with the task of integrating the dependencies into your project. Carthage builds the frameworks specified in `Cartfile` and moves them to `Carthage/Builds` folder. After the build process it's up to you to integrate and manage the dependencies. 

In your case, when you build your `PureLayout` dependency with CocoaPods and Carthage, CocoaPods integrated it to project and Carthage left you with builds in `Carthage/Builds` which means that you used only CocoaPods build version of `PureLayout`.

Also, it's a bad practice to use multiple package/dependency managers. You should stick to the one and be comfortable with it.

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Yes, if I didn't link project with framework built by Carthage there will be no surprise that Cocoapods version works. But I did. It's in Linked Frameworks and Libraries section now. That's why I'm surprised.

Alexander Doloz
– Alexander Doloz

2016年06月10日 09:40:55 +00:00
Commented Jun 10, 2016 at 9:40

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CocoaPods and Carthage

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