On Thu, Jun 25, 2015 at 7:45 AM, Ludovic Courtès <l...@gnu.org> wrote:
> Cyril Roelandt <tipec...@gmail.com> skribis:
>
>> +(define (run-shell shell env-name)
>> +  "Run the given SHELL, adding '(ENV-NAME) ' at the start of the prompt."
>> +  (cond ((string=? shell "/bin/bash")
>> +         (let* ((directory (or (getenv "TMPDIR") "/tmp"))
>> +                (template  (string-append directory "/guix-file.XXXXXX"))
>> +                (out       (mkstemp! template)))
>> +           (format out "export PS1=\"(~a) $PS1\"" env-name)
>> +           (flush-output-port out)
>> +           (system (string-append "/bin/bash --rcfile " template))))
>
> What about this simpler idea: ‘guix environment’ would unconditionally
> do:
>
>   (setenv "GUIX_ENVIRONMENT" "t")
>
> and then users can choose in their .bashrc to use a separate PS1 when
> GUIX_ENVIRONMENT is defined.
>
> WDYT?

+1

This is much better.

- Dave

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