Git Mailing List Archive mirror
 help / color / mirror / Atom feed
From: "brian m. carlson" <>
To: Emily Shaffer <>
Cc: Git List <>, Jonathan Nieder <>,
	Jose Lopes <>,
	Aleksandr Mikhailov <>
Subject: Re: Proposal/Discussion: Turning parts of Git into libraries
Date: Fri, 17 Feb 2023 22:41:46 +0000	[thread overview]
Message-ID: <Y/> (raw)
In-Reply-To: <>

[-- Attachment #1: Type: text/plain, Size: 2050 bytes --]

On 2023-02-17 at 21:38:34, Emily Shaffer wrote:
> For example, I seem to remember you saying during the SHA-256 series
> that the next hashing algorithm would also be painful to implement;
> would that still be true if the hashing algorithm is encapsulated well
> by a library interface? Or is it for a different reason?

Right now, most of the code for a future hash algorithm wouldn't be too
difficult to implement, I'd think, because we can already support two of
them.  If we decide, say, to implement SHA-3-512, we basically just add
that algorithm, update all the entries in the tests (which is kind of a
pain since there's a lot of them, but not really difficult), and then
move on with our lives.

The difficulty is dealing with interop work, which is basically
switching from dealing with just one algorithm to rewriting things
between the two on the fly.  I think _that_ work would be made easier by
library work because sometimes it involves working with submodules, such
as when updating the submodule commit, and being able to deal with both
object stores more easily at the same time would be very helpful in that

I can imagine there are other things that would be easier as well, and I
can also imagine that we'll have better control over memory allocations
and leak less, which would be nice.  If we can get leaks low enough, we
could even add CI jobs to catch them and fail, which I think would be
super valuable, especially since I find even after over two decades of C
that I'm still not very good about catching all the leaks (which is one
of the reasons I've mostly switched to Rust).  We might also be able to
make nicer steps on multithreading our code as well.

Personally, I'd like to see some sort of standard error type (whether
integral or not) that would let us do more bubbling up of errors and
less die().  I don't know if that's in the cards, but I thought I'd
suggest it in case other folks are interested.
brian m. carlson (he/him or they/them)
Toronto, Ontario, CA

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 263 bytes --]

  reply	other threads:[~2023-02-17 22:41 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-17 21:12 Proposal/Discussion: Turning parts of Git into libraries Emily Shaffer
2023-02-17 21:21 ` brian m. carlson
2023-02-17 21:38   ` Emily Shaffer
2023-02-17 22:41     ` brian m. carlson [this message]
2023-02-17 22:49       ` Emily Shaffer
2023-02-22 19:34         ` Jeff King
2023-02-24 20:31           ` Emily Shaffer
2023-02-24 21:41             ` Jeff King
2023-02-24 22:59             ` Junio C Hamano
2023-02-17 22:04   ` rsbecker
2023-02-17 22:48     ` brian m. carlson
2023-02-17 22:57 ` Junio C Hamano
2023-02-18  1:59   ` demerphq
2023-02-18 10:36     ` Phillip Wood
2023-03-23 23:22       ` Felipe Contreras
2023-03-23 23:30         ` rsbecker
2023-03-23 23:34           ` Felipe Contreras
2023-03-23 23:42             ` rsbecker
2023-03-23 23:55               ` Felipe Contreras
2023-03-24 19:27                 ` rsbecker
2023-03-24 21:21                   ` Felipe Contreras
2023-03-24 22:06                     ` rsbecker
2023-03-24 22:29                       ` Felipe Contreras
2023-02-21 21:42   ` Emily Shaffer
2023-02-22  0:22     ` Junio C Hamano
2023-02-18  4:05 ` Elijah Newren
2023-02-21 22:06   ` Emily Shaffer
2023-02-22  8:23     ` Elijah Newren
2023-02-22 19:25     ` Jeff King
2023-02-21 19:09 ` Taylor Blau
2023-02-21 22:27   ` Emily Shaffer
2023-02-22  1:44 ` Victoria Dye
2023-02-25  1:48   ` Jonathan Tan
2023-02-22 14:55 ` Derrick Stolee
2023-02-24 21:06   ` Emily Shaffer
2023-03-23 23:37 ` Felipe Contreras
2023-03-23 23:44   ` rsbecker

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=Y/ \ \ \ \ \ \ \

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).