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-rw-r--r--doc/guix.texi16
1 files changed, 6 insertions, 10 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 6da7281566..39b76c7bf6 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -4538,11 +4538,12 @@ and Emacs are available:
guix environment guile emacs
@end example
-Sometimes an interactive shell session is not desired. The
-@code{--exec} option can be used to specify the command to run instead.
+Sometimes an interactive shell session is not desired. An arbitrary
+command may be invoked by placing the @code{--} token to separate the
+command from the rest of the arguments:
@example
-guix environment guile --exec=make
+guix environment guile -- make -j4
@end example
In other situations, it is more convenient to specify the list of
@@ -4551,7 +4552,7 @@ runs @command{python} from an environment containing Python@tie{}2.7 and
NumPy:
@example
-guix environment --ad-hoc python2-numpy python-2.7 -E python
+guix environment --ad-hoc python2-numpy python-2.7 -- python
@end example
The available options are summarized below.
@@ -4582,11 +4583,6 @@ As an example, @var{file} might contain a definition like this
@verbatiminclude environment-gdb.scm
@end example
-
-@item --exec=@var{command}
-@item -E @var{command}
-Execute @var{command} in the new environment.
-
@item --ad-hoc
Include all specified packages in the resulting environment, as if an
@i{ad hoc} package were defined with them as inputs. This option is
@@ -4596,7 +4592,7 @@ package expression to contain the desired inputs.
For instance, the command:
@example
-guix environment --ad-hoc guile guile-sdl -E guile
+guix environment --ad-hoc guile guile-sdl -- guile
@end example
runs @command{guile} in an environment where Guile and Guile-SDL are