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At the start forking is like no deal at all. But how do you get new clang tidy features from the main branch later into your fork; I think this is the only instance which I would really call technical debt.



“Git pull” works pretty well to bring new clang-tidy features downstream. If you write a custom check, it goes in its own set of files, so there will be no merge conflicts. The only thing that would break is when the internal clang-tidy API changes, but clang-tidy checks tend to be fairly short.

Really… I have worked at two companies that had extended clang-tidy to add custom checks for their code base. The whole point of clang-tidy is to automate code fixes in other parts of your code base. When done well, use of clang-tide pays down technical debt faster rather than adding to it.


Forking to add new checks only causes problems with pulling from upstream when APIs you are using are changed upstream, which happens rarely. Forking to _modify_ existing checks would cause you a lot of pain, but the solution there is to copy the existing check instead.




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