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Re: [WIP][PATCH] profiles: info-dir-file: Don't consider unwanted manife

From: 宋文武
Subject: Re: [WIP][PATCH] profiles: info-dir-file: Don't consider unwanted manifest entries
Date: Mon, 01 Jan 2018 18:37:47 +0800
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux)

address@hidden (Ludovic Courtès) writes:

> Hello!
> address@hidden (宋文武) skribis:
>> Currently we run profile hooks for all manifest inputs, so if you
>> install a new package to your profile, all profile hooks will be run
>> again, even if the new package doesn't provide info manuals, man pages,
>> etc.  Ideally only interested hooks need to be run, eg: if the new
>> package has info manuals, then the 'info-dir-file' hook will run.
>> I get it works somehow, but breaks the '--dry-run' functionality which I
>> have no idea how to preserve...
> Indeed.  I had the idea of adding a notion of “build rounds”, which
> would also be useful for grafts: you’d register (client-side) an extra
> build round to be run after the current one.  For grafts, the first
> round would return the ungrafted derivations.  For profile hooks, the
> first round would return the profile without any hooks.  “-n” would
> display what would be built/downloaded as part of the first round,
> ignoring subsequent rounds.

Hello, happy new year!  So I have just disable profile hooks for the
'dry-run' now and send patches to guix-patches.

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