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From: ludo@gnu.org (Ludovic Courtès)
To: Vincent Legoll <vincent.legoll@gmail.com>
Cc: guix-devel <guix-devel@gnu.org>, help-guix <help-guix@gnu.org>
Subject: Re: guix pull avoidance
Date: Mon, 29 Aug 2016 18:10:31 +0200	[thread overview]
Message-ID: <87zinvy2rs.fsf@gnu.org> (raw)
In-Reply-To: <CAEwRq=raEGQtOOJfPjKmbv6XpS=qiqYdNyKzmjUMJZGpaL-DiA@mail.gmail.com> (Vincent Legoll's message of "Wed, 24 Aug 2016 10:57:13 +0200")

Vincent Legoll <vincent.legoll@gmail.com> skribis:

> Hello,
>
>> How's the following totally untested, probably buggy patch ?
>
> After painful testing (I have to remove the .config/guix/latest symlink
> each time, make it point back to ~/guix_git with my modifications, and
> it recompiles a whole bunch of scm files...)
>
> Any idea how to improve that ?
>
>> it's in RFC, to show the intended effects...
>
> I fixed a few silly mistakes...
>
>> What's inside:
>>
>> - create a symlink /gnu/store/latest pointing to the last installed
>> /gnu/store/*-guix-latest
>
> This is failing with :
>
> guix pull: error: symlink: Read-only file system: "/gnu/store/latest.new"

/gnu/store is read-only, except for guix-daemon, so ‘guix pull’ cannot
write to it.

> * I don't think I fully understand that, as the "->" in the mlet* for
> instance, I
> couldn't find explanations in guile's refman nor guix's...

  (mlet %store-monad ((x -> foo)) (bar))

is equivalent to:

  (let ((x foo)) (bar))

Ludo’.

      parent reply	other threads:[~2016-08-29 16:10 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-22 14:34 guix pull avoidance Vincent Legoll
2016-08-22 18:01 ` Leo Famulari
2016-08-23  8:39   ` Vincent Legoll
2016-08-23 13:13     ` Vincent Legoll
2016-08-24  8:57       ` Vincent Legoll
2016-08-28 13:54         ` Vincent Legoll
2016-08-29 16:10         ` Ludovic Courtès [this message]

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