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authorLudovic Courtès <ludo@gnu.org>2015-07-01 14:39:14 +0200
committerLudovic Courtès <ludo@gnu.org>2015-07-01 23:29:49 +0200
commit28de8d258b30f887053d43b2d75a7ed5e2fa2adc (patch)
treeed0cb7f5c487d7d93bfc5e11472eac0ea81f2443 /doc
parent50500f7cf0786cccb8211ddac75a56c3c82859f6 (diff)
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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.
Diffstat (limited to 'doc')
-rw-r--r--doc/guix.texi13
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index a35ea2fd9d..fdd8fdf9ae 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -4146,6 +4146,19 @@ variables in @file{.bashrc}; instead, they should be defined in
@xref{Bash Startup Files,,, bash, The GNU Bash Reference Manual}, for
details on Bash start-up files.}.
+@vindex GUIX_ENVIRONMENT
+@command{guix environment} defines the @code{GUIX_ENVIRONMENT}
+variable in the shell it spaws. This allows users to, say, define a
+specific prompt for development environments in their @file{.bashrc}
+(@pxref{Bash Startup Files,,, bash, The GNU Bash Reference Manual}):
+
+@example
+if [ -n "$GUIX_ENVIRONMENT" ]
+then
+ export PS1="\u@@\h \w [dev]\$ "
+fi
+@end example
+
Additionally, more than one package may be specified, in which case the
union of the inputs for the given packages are used. For example, the
command below spawns a shell where all of the dependencies of both Guile