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From: Maxim Cournoyer <>
To: Pierre Neidhardt <>
Cc: Development of GNU Guix and the GNU System distribution
	<>, Ryan Prior <>
Subject: Re: GNU Guix 1.2.0rc2 available for testing!
Date: Sat, 21 Nov 2020 21:53:12 -0500	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <> (Pierre Neidhardt's message of "Fri, 20 Nov 2020 10:34:31 +0100")


Pierre Neidhardt <> writes:

> Ryan Prior <> writes:
>> I'm glad for the "without-tests" option because when I'm working on
>> packages with a test suite that takes more than a few seconds, I like to
>> make sure that the rest of everything is working before I start running
>> the tests.
> Exactly, that was my original thought.
>> Another thing I'd like is an option to build a package reusing the state
>> from a previous build. If a package I'm working on takes a minute or
>> longer to build and I'm having some sort of difficulty, it's obnoxious
>> to wait for that to complete again after every cycle. It could be near
>> instantaneous if I could re-use a cached build, which is doable in
>> Docker, Earthly, and other containerized build systems.
> You can kind of do that manually now.
> Build with the -K option and when it fails, drop to the temporary
> directly, source the `environment-variables` file, fix the code or calls
> then proceed.
> Obviously reusing cached build would be nicer.
> Maybe even better would be debugger access to the daemon.  On build
> error we would be dropped in the debugger in the stack frame where it
> errored.  We would fix it, then continue, in the most traditional Lisp
> fashion!

I was thinking about such a thing recently; it would indeed be nice to
be able to debug in the "real" build environment.  Sometimes a test fail
just in the "real" build environment; so being able to debug it in situ
could be useful.


  reply	other threads:[~2020-11-22  2:53 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-18 18:53 Ludovic Courtès
2020-11-19  2:24 ` zimoun
2020-11-19  8:34   ` Pierre Neidhardt
2020-11-20  3:13     ` Ryan Prior
2020-11-20  9:34       ` Pierre Neidhardt
2020-11-22  2:53         ` Maxim Cournoyer [this message]
2020-11-20  9:23   ` zimoun
2020-11-20 11:25     ` Ludovic Courtès

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