Thread (7 messages) 7 messages, 2 authors, 2025-11-01

Re: [Outreachy][Proposal]: Refactor in order to reduce Git’s global state

From: Bello Olamide <hidden>
Date: 2025-10-31 11:43:42

On Thu, 30 Oct 2025 at 13:55, Christian Couder
[off-list ref] wrote:
quoted
Yes there were cases where the functions were adapted to use
exactly what it needs down the call chain rather than writing new
accessor functions.
An example is
https://public-inbox.org/git/20250306-b4-pks-objects-without-the-repository-v2-1-f3465327be69@pks.im/#Z31csum-file.h
where the global variable `the_hash_algo` is replaced with an explicit parameter
`const struct git_hash_algo *algo` in low-level functions such as
`static struct hashfile *hashfd_internal()` and the call sites adapted
to use r->hash_algo
or the_repository->hash_algo in places where the subsystem has not gotten rid of
`the-repository`.

This is also a strategy that can be used to replace global variables.
Your answers are appreciated, but, just to be clear, I think it would
be nice if the answers to my questions like this one were part of a v2
of your proposal. If I don't see a v2, I am less tempted to discuss
this further (which could hopefully help move the analysis forward and
make your proposal better).

Thanks.
Hello Christian
Thank you very much.
I have added the answers to your question and submitted a v2 of the
proposal.

Bello
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