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[bug#49149] [PATCH 0/7] Add deb format for guix pack.

From: Ludovic Courtès
Subject: [bug#49149] [PATCH 0/7] Add deb format for guix pack.
Date: Mon, 05 Jul 2021 18:14:58 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux)


Maxim Cournoyer <> skribis:


>> It’s a hack specifically written with Docker repository names in mind,
>> and the 40-or-so character limit, for instance.
> The actual name length requirement for a Docker repository name seems to
> be that it must be between 2 and 255 characters [0]; the attached patch
> ensure that this is respected.
>> To me it’s a case where factorization isn’t beneficial.  Even if there’s
>> a similar procedure used in a different context, it’s still a different
>> context with different constraints.  My 2¢!
> It seems to me that with the attached patch we get to share what used to
> be a Docker-specific abstraction without any added risk (have our cake
> and it eat to!).


> From f3dc90213423bf0a087245bd4bfc8c4a828d4df1 Mon Sep 17 00:00:00 2001
> From: Maxim Cournoyer <>
> Date: Sat, 3 Jul 2021 23:08:15 -0400
> Subject: [PATCH] guix: docker: Ensure repository name length limits are met.
> MIME-Version: 1.0
> Content-Type: text/plain; charset=UTF-8
> Content-Transfer-Encoding: 8bit
> * guix/docker.scm (canonicalize-repository-name): Fix typo in doc.  Capture
> repository name length limits and ensure they are met, by either truncating or
> padding the normalized name.
> Reported-by: Ludovic Courtès <>

LGTM, thank you!


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