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From: "Ludovic Courtès" <ludo@gnu.org>
To: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Cc: 68242@debbugs.gnu.org
Subject: [bug#68242] [core-updates] Compress man pages using zstd
Date: Mon, 08 Jan 2024 18:29:18 +0100	[thread overview]
Message-ID: <87eder3f9t.fsf_-_@gnu.org> (raw)
In-Reply-To: <befeaef0fa91ae49ea8f141121de4d790dd52a2a.1704484373.git.maxim.cournoyer@gmail.com> (Maxim Cournoyer's message of "Fri, 5 Jan 2024 14:52:53 -0500")

Maxim Cournoyer <maxim.cournoyer@gmail.com> skribis:

> The aim is to improve the efficiency of computing the man pages database,
> which must decompress the man pages.  Zstd is faster than gzip, especially for
> decompression, and has a similar compression ratio.
>
> * gnu/packages/commencement.scm (%final-inputs): Add zstd.
> * guix/build/gnu-build-system.scm
> (compress-documentation) Update doc.
> <info-compressor, info-compressor-flags, man-compressor, man-compressor-flags>
> <man-compressor-file-extension>: New arguments.
> <compressed-documentation-extension>: Rename argument to...
> <info-compressor-file-extension>: ... this.  Add an 'extension' argument to
> the retarget-symlink nested procedure.  Use new arguments in nested
> 'maybe-compress' procedure.
>
> Change-Id: Ibaad4658f8e5151633714d263d9198f56d255020

That’s a great idea, LGTM!

Do you have figures on the space savings of a package with many man
pages such as gnutls:doc or openssl:doc?

Thanks,
Ludo’.




  reply	other threads:[~2024-01-08 17:33 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-04 15:16 [bug#68242] [PATCH 0/5] Compress man pages using zstd Maxim Cournoyer
2024-01-05 19:52 ` [bug#68242] [PATCH core-updates v2 " Maxim Cournoyer
2024-01-05 19:52   ` [bug#68242] [PATCH core-updates v2 1/5] utils: Lower xz compression memory usage limit to 20% Maxim Cournoyer
2024-01-08 17:26     ` [bug#68242] [core-updates] Compress man pages using zstd Ludovic Courtès
2024-01-05 19:52   ` [bug#68242] [PATCH core-updates v2 2/5] compression: Enable zstd parallel compression Maxim Cournoyer
2024-01-08 17:26     ` [bug#68242] [core-updates] Compress man pages using zstd Ludovic Courtès
2024-01-05 19:52   ` [bug#68242] [PATCH core-updates v2 3/5] packages: Repack patched source archives via zstd by default Maxim Cournoyer
2024-01-08 17:25     ` [bug#68242] [core-updates] Compress man pages using zstd Ludovic Courtès
2024-01-05 19:52   ` [bug#68242] [PATCH core-updates v2 4/5] build: gnu-build-system: Compress man pages with zstd Maxim Cournoyer
2024-01-08 17:29     ` Ludovic Courtès [this message]
2024-01-09  1:17       ` [bug#68242] [core-updates] Compress man pages using zstd Maxim Cournoyer
2024-01-05 19:52   ` [bug#68242] [PATCH core-updates v2 5/5] man-db: Add support for zstd compressed man pages Maxim Cournoyer
2024-01-08 17:30     ` [bug#68242] [core-updates] Compress man pages using zstd Ludovic Courtès
2024-01-09  3:31       ` bug#68242: " Maxim Cournoyer

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