Stefan Beller <sbel...@google.com> writes:

>>  - existing users of for_each_replace_ref() who were all happy
>>    working in the_repository have to pass it explicitly, even
>>    thought they do not have any need to.
>
> All callbacks that are passed to for_each_replace_ref now
> operate on 'r' instead of the_repository, and that actually fixes
> a bug (commit message is lacking), but the cover letter hints at:
> ...
>> In this case, even if you introduced for_each_replace_ref_in_repo(),
>> making for_each_replace_ref() a thin wrapper that always uses
>> the_repository is a bit more cumbersome than just a simple macro.
>
> Yes, but such a callback would do the *wrong* subtle thing in some cases
> as you really want to work in the correct repository for e.g. looking up
> commits.
>
>> But it *is* doable (you'd need to use a wrapping structure around
>> cb_data), and a developer who case about maintainability during API
>> transition would have taken pains to do so.  A bit dissapointing.
>
> My original patches were RFC-ish and a trade off as for the reflog only
> there is nothing in flight to care about.
>
> Given that we would want to upgrade all the ref callbacks, we have to
> take this route, I think.

Try to rebuild 'pu' on top of 'master' yoruself to realize how many
in-flight topics you are hurting and causing unnecessary load on the
maintainer with the "let's add the 'r' parameter without changing
the function names; compiler would catch and cause breakages"
approach.  

Until that happens, I won't waste any more time trying to educate
you on this further.


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