Git development
 help / color / mirror / Atom feed
From: Derrick Stolee <stolee@gmail.com>
To: Patrick Steinhardt <ps@pks.im>, git@vger.kernel.org
Cc: Thomas Bachem <mail@thomasbachem.com>,
	Phillip Wood <phillip.wood@dunelm.org.uk>
Subject: Re: [PATCH v2 0/2] builtin/maintenance: improve heuristic for "rerere gc"
Date: Fri, 4 Sep 2026 09:51:59 -0400	[thread overview]
Message-ID: <15a488b2-b4ae-4ac8-8cb3-f06ef5bbb52b@gmail.com> (raw)
In-Reply-To: <20260904-b4-pks-maintenance-rerere-gc-heuristic-v2-0-b1691121fe1c@pks.im>

On 9/4/2026 3:03 AM, Patrick Steinhardt wrote:

> Range-diff versus v1:

Thank you for taking the time to respond to my nitpicks. I think
the end result is a bit cleaner, and the patches have some more
clarity, too. 
> 1:  343dbf1c0c ! 1:  1b0b7a7b9a rerere: extract logic to determine whether entries are stale
>     -@@ rerere.c: void rerere_gc(struct repository *r, struct string_list *rr)
>     - 		for (id.variant = 0, id.collection = rr_dir;
>     - 		     id.variant < id.collection->status_nr;
>     - 		     id.variant++) {
>     --			prune_one(&id, cutoff_resolve, cutoff_noresolve);
>     -+			if (rerere_id_is_stale(&id, cutoff_resolve, cutoff_noresolve))
>     -+				unlink_rr_item(&id);
>     - 			if (id.collection->status[id.variant])
>     - 				now_empty = 0;
>     - 		}

I like that this diff is no longer in the patch. Thanks!

> 2:  c8a52f0663 ! 2:  1ceb798cdf builtin/maintenance: improve heuristic for "rerere gc"

>     -+	if (limit <= 0)
>     -+		return limit < 0;
>     ++	if (!limit)
>     ++		return 0; /* never prune */
>     ++	if (limit < 0)
>     ++		return 1; /* always prune */

The extra comments are helpful here, too!

>     -+	return rerere_gc_estimate(the_repository, limit) >= (size_t)limit;
>     ++	return rerere_gc_needed(the_repository, (size_t)limit);

This looks much cleaner, thanks!

This version LGTM.
-Stolee

  parent reply	other threads:[~2026-09-04 13:52 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-03  9:04 [PATCH 0/2] builtin/maintenance: improve heuristic for "rerere gc" Patrick Steinhardt
2026-09-03  9:04 ` [PATCH 1/2] rerere: extract logic to determine whether entries are stale Patrick Steinhardt
2026-09-03 14:11   ` Derrick Stolee
2026-09-04  5:21     ` Patrick Steinhardt
2026-09-03  9:04 ` [PATCH 2/2] builtin/maintenance: improve heuristic for "rerere gc" Patrick Steinhardt
2026-09-03 14:19   ` Derrick Stolee
2026-09-04  5:21     ` Patrick Steinhardt
2026-09-03 12:12 ` [PATCH 0/2] " Thomas Bachem
2026-09-04  7:03 ` [PATCH v2 " Patrick Steinhardt
2026-09-04  7:03   ` [PATCH v2 1/2] rerere: extract logic to determine whether entries are stale Patrick Steinhardt
2026-09-04  7:03   ` [PATCH v2 2/2] builtin/maintenance: improve heuristic for "rerere gc" Patrick Steinhardt
2026-09-04 13:51   ` Derrick Stolee [this message]
2026-09-04 14:48   ` [PATCH v2 0/2] " Junio C Hamano
2026-09-04 16:14     ` Junio C Hamano
2026-09-04 16:53       ` Thomas Bachem
2026-09-07  6:15         ` Patrick Steinhardt
2026-09-07  6:15     ` Patrick Steinhardt

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:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

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

  git send-email \
    --in-reply-to=15a488b2-b4ae-4ac8-8cb3-f06ef5bbb52b@gmail.com \
    --to=stolee@gmail.com \
    --cc=git@vger.kernel.org \
    --cc=mail@thomasbachem.com \
    --cc=phillip.wood@dunelm.org.uk \
    --cc=ps@pks.im \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* 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