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From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: Timezone problems
Date: Thu, 09 May 2013 22:41:18 +0200
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Alex Sassmannshausen <alex.sassmannshausen@gmail.com> skribis:

> I'm running into issues whereby the 'date' command that is part of the
> coreutils package (installed through guix) returns non-timezone
> corrected values (i.e. it returns UTC even for local time).

Actually you first need to install the =E2=80=98tzdata=E2=80=99 package (wh=
ich I just
added yesterday!).  Then you must set the TZDIR environment variable to
point to it, like this:

  export TZDIR=3D$HOME/.guix-profile/share/zoneinfo

The C library (the one from Guix) will then get timezone info from there.

> I suspect this was to do with the locale complications of the earlier
> gcc version that was part of guix, and that locale issue seems to be
> resolved now: Guile 2.0.9 compiled with the new gcc does not complain
> about locale settings anymore.

This is actually unrelated but yes, this one=E2=80=99s fixed too.

> Would guix normally have recompiled coreutils following the gcc upgrade
> too? If so then the problem must be something else =E2=80=94 but the date
> program invoked through /bin/date returns the correct local time (install=
ed
> through aptitude), so it seems guix specific.
>
> If not =E2=80=94 is there a way to force re-installation from scratch for=
 just
> coreutils?

What matters most is what=E2=80=99s in your profile.  I just run =E2=80=98g=
uix package --upgrade=E2=80=99,
which atomically upgrades everything that=E2=80=99s installed in your profi=
le
(so you get the new Coreutils, and everything linked against the new libc.)

HTH!

Ludo=E2=80=99.