GNU bug report logs - #17946
Try LOGNAME in addition to USER

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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#17946: closed (Try LOGNAME in addition to USER)
Date: Sat, 05 Jul 2014 13:13:01 +0000

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Your message dated Sat, 05 Jul 2014 15:12:48 +0200
with message-id <877g3suey7.fsf <at> gnu.org>
and subject line Re: bug#17946: Try LOGNAME in addition to USER
has caused the debbugs.gnu.org bug report #17946,
regarding Try LOGNAME in addition to USER
to be marked as done.

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


-- 
17946: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=17946
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From: Taylan Ulrich Bayirli/Kammer <taylanbayirli <at> gmail.com>
To: bug-guix <at> gnu.org
Subject: Try LOGNAME in addition to USER
Date: Sat, 05 Jul 2014 15:36:44 +0300

Cron jobs may set the LOGNAME environment variable but no USER,
e.g. under Debian 7 (wheezy).  In that case 'guix package' fails to
use $localstatedir/guix/profiles/per-user/$user.  From a quick grep I
couldn't find more places in Guix where USER is used, so here's a
patch that just does it straightforwardly in two places in
scripts/package.scm, but perhaps a more generic solution would be good
for the future.


===File
/home/tub/media/src/guix/0001-Try-LOGNAME-in-addition-to-USER.patch===
From 902267cf99aacaea994cc95b77551f0d2bd35836 Mon Sep 17 00:00:00 2001
From: Taylan Ulrich B <taylanbayirli <at> gmail.com>
Date: Sat, 5 Jul 2014 15:28:50 +0300
Subject: [PATCH] Try LOGNAME in addition to USER.

Notoriously, cron jobs may set LOGNAME only and not USER.  See
e.g. crontab(5) under Debian 7 (wheezy).

* guix/scripts/package.scm (%profile-directory)
(guix-package): Also try LOGNAME if USER is unset.
---
 guix/scripts/package.scm | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/guix/scripts/package.scm b/guix/scripts/package.scm
index f930b00..2e626f3 100644
--- a/guix/scripts/package.scm
+++ b/guix/scripts/package.scm
@@ -59,7 +59,8 @@
 
 (define %profile-directory
   (string-append %state-directory "/profiles/"
-                 (or (and=> (getenv "USER")
+                 (or (and=> (or (getenv "USER")
+                                (getenv "LOGNAME"))
                             (cut string-append "per-user/" <>))
                      "default")))
 
@@ -797,7 +798,9 @@ more information.~%"))
                 %profile-directory)
         (format (current-error-port)
                 (_ "Please change the owner of `~a' to user ~s.~%")
-                %profile-directory (or (getenv "USER") (getuid)))
+                %profile-directory (or (getenv "USER")
+                                       (getenv "LOGNAME")
+                                       (getuid)))
         (rtfm))))
 
   (define (process-actions opts)
-- 
1.8.4

============================================================

Taylan

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From: ludo <at> gnu.org (Ludovic Courtès)
To: Taylan Ulrich Bayirli/Kammer <taylanbayirli <at> gmail.com>
Cc: 17946-done <at> debbugs.gnu.org
Subject: Re: bug#17946: Try LOGNAME in addition to USER
Date: Sat, 05 Jul 2014 15:12:48 +0200

Taylan Ulrich Bayirli/Kammer <taylanbayirli <at> gmail.com> skribis:

> Cron jobs may set the LOGNAME environment variable but no USER,
> e.g. under Debian 7 (wheezy).  In that case 'guix package' fails to
> use $localstatedir/guix/profiles/per-user/$user.  From a quick grep I
> couldn't find more places in Guix where USER is used, so here's a
> patch that just does it straightforwardly in two places in
> scripts/package.scm, but perhaps a more generic solution would be good
> for the future.

Good catch.  I agree we’ll need to factorize that eventually.

> From 902267cf99aacaea994cc95b77551f0d2bd35836 Mon Sep 17 00:00:00 2001
> From: Taylan Ulrich B <taylanbayirli <at> gmail.com>
> Date: Sat, 5 Jul 2014 15:28:50 +0300
> Subject: [PATCH] Try LOGNAME in addition to USER.
>
> Notoriously, cron jobs may set LOGNAME only and not USER.  See
> e.g. crontab(5) under Debian 7 (wheezy).
>
> * guix/scripts/package.scm (%profile-directory)
> (guix-package): Also try LOGNAME if USER is unset.

Pushed after tweaking the commit log.

Thanks!

Ludo’.

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