git@vger.kernel.org mailing list mirror (one of many)
 help / color / mirror / code / Atom feed
From: Junio C Hamano <gitster@pobox.com>
To: "Elijah Newren via GitGitGadget" <gitgitgadget@gmail.com>
Cc: git@vger.kernel.org, "Bagas Sanjaya" <bagasdotme@gmail.com>,
	"Elijah Newren" <newren@gmail.com>,
	"Eric Sunshine" <sunshine@sunshineco.com>,
	"Derrick Stolee" <stolee@gmail.com>, "Jeff King" <peff@peff.net>,
	"Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Subject: Re: [PATCH v3 3/4] diffcore-rename: treat a rename_limit of 0 as unlimited
Date: Thu, 15 Jul 2021 16:17:11 -0700	[thread overview]
Message-ID: <xmqqczrjrwug.fsf@gitster.g> (raw)
In-Reply-To: <00a2072baea435060b525b3907121bdf980461e9.1626309924.git.gitgitgadget@gmail.com> (Elijah Newren via GitGitGadget's message of "Thu, 15 Jul 2021 00:45:23 +0000")

"Elijah Newren via GitGitGadget" <gitgitgadget@gmail.com> writes:

> diff --git a/diffcore-rename.c b/diffcore-rename.c
> index 3375e24659e..513ba7b05f1 100644
> --- a/diffcore-rename.c
> +++ b/diffcore-rename.c
> @@ -1021,7 +1021,7 @@ static int too_many_rename_candidates(int num_destinations, int num_sources,
>  	 * memory for the matrix anyway.
>  	 */
>  	if (rename_limit <= 0)
> -		rename_limit = 32767;
> +		return 0; /* treat as unlimited */

OK.  As this short-cuts, the impact a non-positive value may have on
all the remainder of the function (like limit squared must be larger
than the matrix) would not have to be compensated for.  Very simple
and clean.

>  	if (st_mult(num_destinations, num_sources)
>  	    <= st_mult(rename_limit, rename_limit))
>  		return 0;

  reply	other threads:[~2021-07-15 23:17 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-11  0:46 [PATCH 0/3] Improve the documentation and warnings dealing with rename/copy limits Elijah Newren via GitGitGadget
2021-07-11  0:46 ` [PATCH 1/3] doc: clarify documentation for " Elijah Newren via GitGitGadget
2021-07-11  4:37   ` Bagas Sanjaya
2021-07-11  4:52     ` Elijah Newren
2021-07-12 15:03   ` Derrick Stolee
2021-07-12 21:27     ` Junio C Hamano
2021-07-11  0:46 ` [PATCH 2/3] doc: document the special handling of -l0 Elijah Newren via GitGitGadget
2021-07-11  4:54   ` Eric Sunshine
2021-07-11  4:54     ` Elijah Newren
2021-07-11  0:46 ` [PATCH 3/3] diff: correct warning message when renameLimit exceeded Elijah Newren via GitGitGadget
2021-07-12 15:09   ` Derrick Stolee
2021-07-12 18:13     ` Elijah Newren
2021-07-14  0:47       ` Junio C Hamano
2021-07-14  1:06         ` Elijah Newren
2021-07-14  1:10           ` Junio C Hamano
2021-07-14  1:22             ` Elijah Newren
2021-07-14  5:17               ` Junio C Hamano
2021-07-14 15:09                 ` Elijah Newren
2021-07-14  1:12 ` [PATCH v2 0/4] Rename/copy limits -- docs, warnings, and new defaults Elijah Newren via GitGitGadget
2021-07-14  1:12   ` [PATCH v2 1/4] diff: correct warning message when renameLimit exceeded Elijah Newren via GitGitGadget
2021-07-14  1:12   ` [PATCH v2 2/4] doc: clarify documentation for rename/copy limits Elijah Newren via GitGitGadget
2021-07-14  7:37     ` Ævar Arnfjörð Bjarmason
2021-07-14 16:30       ` Elijah Newren
2021-07-14 22:08         ` Ævar Arnfjörð Bjarmason
2021-07-14 22:56           ` Elijah Newren
2021-07-14  1:12   ` [PATCH v2 3/4] doc: document the special handling of -l0 Elijah Newren via GitGitGadget
2021-07-14 16:45     ` Jeff King
2021-07-14 17:17       ` Elijah Newren
2021-07-14 17:33         ` Jeff King
2021-07-14 19:32           ` Elijah Newren
2021-07-14  1:12   ` [PATCH v2 4/4] Bump rename limit defaults (yet again) Elijah Newren via GitGitGadget
2021-07-14 16:43     ` Jeff King
2021-07-14 17:32       ` Elijah Newren
2021-07-14 17:57         ` Jeff King
2021-07-14 20:03           ` Elijah Newren
2021-07-14 20:47             ` Jeff King
2021-07-15  0:45   ` [PATCH v3 0/4] Rename/copy limits -- docs, warnings, and new defaults Elijah Newren via GitGitGadget
2021-07-15  0:45     ` [PATCH v3 1/4] diff: correct warning message when renameLimit exceeded Elijah Newren via GitGitGadget
2021-07-15  0:45     ` [PATCH v3 2/4] doc: clarify documentation for rename/copy limits Elijah Newren via GitGitGadget
2021-07-15  0:45     ` [PATCH v3 3/4] diffcore-rename: treat a rename_limit of 0 as unlimited Elijah Newren via GitGitGadget
2021-07-15 23:17       ` Junio C Hamano [this message]
2021-07-15  0:45     ` [PATCH v3 4/4] Bump rename limit defaults (yet again) Elijah Newren via GitGitGadget
2021-07-15 13:36     ` [PATCH v3 0/4] Rename/copy limits -- docs, warnings, and new defaults Derrick Stolee
2021-07-15 23:20     ` Junio C Hamano

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

  List information: http://vger.kernel.org/majordomo-info.html

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

  git send-email \
    --in-reply-to=xmqqczrjrwug.fsf@gitster.g \
    --to=gitster@pobox.com \
    --cc=avarab@gmail.com \
    --cc=bagasdotme@gmail.com \
    --cc=git@vger.kernel.org \
    --cc=gitgitgadget@gmail.com \
    --cc=newren@gmail.com \
    --cc=peff@peff.net \
    --cc=stolee@gmail.com \
    --cc=sunshine@sunshineco.com \
    /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. 
Code repositories for project(s) associated with this public inbox

	https://80x24.org/mirrors/git.git

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).