GNU bug report logs - #17208
undoing a --roll-back

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: ludo <at> gnu.org (Ludovic Courtès)
Cc: tracker <at> debbugs.gnu.org
Subject: bug#17208: closed (undoing a --roll-back)
Date: Wed, 15 Oct 2014 17:12:02 +0000

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Your message dated Wed, 15 Oct 2014 19:11:23 +0200
with message-id <87d29tz29w.fsf <at> gnu.org>
and subject line Re: bug#17208: undoing a --roll-back
has caused the debbugs.gnu.org bug report #17208,
regarding undoing a --roll-back
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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17208: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=17208
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From: ludo <at> gnu.org (Ludovic Courtès)
To: Yagnesh Raghava Yakkala <hi <at> yagnesh.org>
Cc: guix-devel <at> gnu.org, bug-guix <at> gnu.org
Subject: Re: undoing a --roll-back
Date: Sun, 06 Apr 2014 21:33:40 +0200

(Adding bug-guix so we keep track of it.)

Yagnesh Raghava Yakkala <hi <at> yagnesh.org> skribis:

> I am trying to understand rollback feature. I have five generations in the
> package history. As I operated roll-back command, my "current" generation sets
> to 3 from 4 (shell log pasted below). Now how can I return to 4. More general, can I
> go to a desired generation by giving number?  say "guix package --goto-generation #"

Good question.  We can’t do that at the moment, but it would be simple
to add.

In the meantime you can do it by hand by changing the target of the
/var/guix/profiles/per-user/$USER/guix-profile symlink (or similar.)

Thanks,
Ludo’.

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From: ludo <at> gnu.org (Ludovic Courtès)
To: Eric Bavier <ericbavier <at> gmail.com>
Cc: 17208-done <at> debbugs.gnu.org
Subject: Re: bug#17208: undoing a --roll-back
Date: Wed, 15 Oct 2014 19:11:23 +0200

Eric Bavier <ericbavier <at> gmail.com> skribis:

> Note that commit b3bb82f1 adds the '--switch-generation' option to
> 'guix package'.

Indeed, I think it answers the original request.
So I’m happily closing the bug.  :-)

Ludo’.

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