From 28de8d258b30f887053d43b2d75a7ed5e2fa2adc Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Wed, 1 Jul 2015 14:39:14 +0200
Subject: environment: Define 'GUIX_ENVIRONMENT'.

* guix/scripts/environment.scm (create-environment): Define 'GUIX_ENVIRONMENT'.
* doc/guix.texi (Invoking guix environment): Document it.
* gnu/system/shadow.scm (default-skeletons): Adjust 'PS1' depending on whether
  'GUIX_ENVIRONMENT' is defined.
---
 gnu/system/shadow.scm | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'gnu/system/shadow.scm')

diff --git a/gnu/system/shadow.scm b/gnu/system/shadow.scm
index aa97652678..ae6229229b 100644
--- a/gnu/system/shadow.scm
+++ b/gnu/system/shadow.scm
@@ -153,7 +153,13 @@ then
     source /etc/profile
 fi
 
-PS1='\\u@\\h \\w\\$ '
+# Adjust the prompt depending on whether we're in 'guix environment'.
+if [ -n \"$GUIX_ENVIRONMENT\" ]
+then
+    export PS1='\\u@\\h \\w\\ [env]$ '
+else
+    export PS1='\\u@\\h \\w\\$ '
+fi
 alias ls='ls -p --color'
 alias ll='ls -l'\n"))
                       (zlogin (text-file "zlogin" "\
-- 
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