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author | David Thompson <dthompson2@worcester.edu> | 2015-10-09 12:11:24 -0400 |
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committer | David Thompson <dthompson2@worcester.edu> | 2015-10-09 12:17:01 -0400 |
commit | 1de2fe95e017c42aacbaa34f5dab8d48249cc064 (patch) | |
tree | 12ee4d22703352afcf478f581b4b2cfafc8a8b6e /doc | |
parent | bbd00d2012833c6419a62f6490cbef3e896b1e11 (diff) | |
download | gnu-guix-1de2fe95e017c42aacbaa34f5dab8d48249cc064.tar gnu-guix-1de2fe95e017c42aacbaa34f5dab8d48249cc064.tar.gz |
scripts: environment: Use system* instead of system.
This allows for direct program invokation without needing a shell to act
as a command interpreter.
* guix/scripts/environment.scm (%default-shell): New variable.
(show-help): Adjust description. Remove '--exec' reference.
(%default-options): Use '%default-shell'.
(%options): Adjust '--exec' to run command via the default shell.
(parse-args): New procedure.
(guix-environment): Use 'parse-args'. Use 'system*' instead of
'system'.
* tests/guix-environment.sh: Add test for '--' command invokation.
* doc/guix.texi ("Invoking guix environment"): Use new syntax. Remove
'--exec' documentation.
Diffstat (limited to 'doc')
-rw-r--r-- | doc/guix.texi | 16 |
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 |