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Re: [PATCH] services: xorg: Make SLiM sessions configurable.


From: 宋文武
Subject: Re: [PATCH] services: xorg: Make SLiM sessions configurable.
Date: Sat, 20 Dec 2014 00:08:35 +0800
User-agent: Notmuch/0.18.1 (http://notmuchmail.org) Emacs/24.4.1 (x86_64-unknown-linux-gnu)

Ludovic Courtès <address@hidden> writes:

> 宋文武 <address@hidden> skribis:
>
>> * gnu/services/xorg.scm (%default-xsessions): New variable.
>>   (xsessions-directory): New procedure.
>>   (slim-service): Add #:sessions parameter.
>>   [slim.cfg]: Honor #:sessions.
>>   (xinitrc): Adjust accordingly.
>
> Nice!
>
>> -        ;; Then try a pre-configured session type.
>> -        (let ((ratpoison (string-append #$ratpoison "/bin/ratpoison"))
>> -              (wmaker    (string-append #$windowmaker "/bin/wmaker")))
>> -          (match (command-line)
>> -            ((_ "ratpoison")
>> -             (exec-from-login-shell ratpoison))
>> -            (_
>> -             (exec-from-login-shell wmaker))))))
>> -
>> +        ;; Then run the selected session.
>> +        (exec-from-login-shell (cadr command-line))))
>
> Please keep ‘match’ instead of ‘cadr’.
OK.
>
> Also, the line above should be (cadr (command-line)) instead of (cadr
> command-line).
>
> Lastly, there’s a problem when #:auto-login? is #t because
> (command-line) returns a 1-element list.  This will be naturally fixed
> when the ‘match’ form above is reinstated.
Thanks for pointing out.

I want to make this auto-login-session configurable too, so I endup
with add it as a parameter to slim-service.
>
>> +(define %default-xsessions
>> +  (list (text-file* "wmaker.desktop" "
>
> Add a comment below ‘%default-xsessions’, like
>
>   ;; List of monadic values denoting for .desktop files blah blah
>
>> +(define (xsessions-directory sessions)
>> +  "Return a directory contains SESSIONS, which should be a list of monadic
>
> s/contains/containing/
>
> Other than that, it looks fine to me.  Could you send an updated
> version?

Attachment: 0001-services-xorg-Make-SLiM-sessions-configurable.patch
Description: Text Data

In additation, I pass session to ~/.xinitrc (replace ~/.xsession, since
it's what to expect from slim according to [1][2]).

So user can use ~/.xinitrc to custom the selected session:

  #!/bin/sh
  export LANG=zh_CN.UTF-8
  setxkbmap dvorak
  
  exec $1

[1] https://wiki.archlinux.org/index.php/Slim#Environments
[2] https://lists.gnu.org/archive/html/guix-devel/2014-12/msg00282.html

>
> Thanks!
>
> Ludo’.

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