From 091196b383220899b45909548424ef6d223b671b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Sun, 20 Jan 2013 15:45:14 +0100
Subject: [PATCH] doc: Run `useradd -g guix-builder -G guix-builder'.
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* doc/guix.texi (Setting Up the Daemon): Add `-G guix-builder' when
  invoking `useradd'.
  Suggested by Aleix Conchillo Flaqué <aconchillo@gmail.com>.
---
 doc/guix.texi | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/doc/guix.texi b/doc/guix.texi
index 28bdfb2152..e475463782 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -221,11 +221,14 @@ regarded as pure functions (@pxref{Introduction}).
 On a GNU/Linux system, a build user pool may be created like this (using
 Bash syntax and the @code{shadow} commands):
 
+@c See http://lists.gnu.org/archive/html/bug-guix/2013-01/msg00239.html
+@c for why `-G' is needed.
 @example
 # groupadd guix-builder
 # for i in `seq 1 10`;
   do
-    useradd -g guix-builder -d /var/empty -s `which nologin` \
+    useradd -g guix-builder -G guix-builder           \
+            -d /var/empty -s `which nologin`          \
             -c "Guix build user $i" guix-builder$i;
   done
 @end example