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doc: Document sessions and ~/.xsession for SLiM.

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* gnu/services/xorg.scm (slim-service): Document session types and
  ~/.xsession.
* doc/guix.texi (X Window): Adjust accordingly.
This commit is contained in:
Ludovic Courtès 2015-05-08 16:26:53 +02:00
parent 4467be213a
commit 04e4e6ab51
2 changed files with 26 additions and 0 deletions
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13
doc/guix.texi
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@ -4968,6 +4968,19 @@ Return a service that spawns the SLiM graphical login manager, which in
turn starts the X display server with @var{startx}, a command as returned by turn starts the X display server with @var{startx}, a command as returned by
@code{xorg-start-command}. @code{xorg-start-command}.
@cindex X session
SLiM automatically looks for session types described by the @file{.desktop}
files in @file{/run/current-system/profile/share/xsessions} and allows users
to choose a session from the log-in screen using @kbd{F1}. Packages such as
@var{xfce}, @var{sawfish}, and @var{ratpoison} provide @file{.desktop} files;
adding them to the system-wide set of packages automatically makes them
available at the log-in screen.
In addition, @file{~/.xsession} files are honored. When available,
@file{~/.xsession} must be an executable that starts a window manager
and/or other X clients.
When @var{allow-empty-passwords?} is true, allow logins with an empty When @var{allow-empty-passwords?} is true, allow logins with an empty
password. When @var{auto-login?} is true, log in automatically as password. When @var{auto-login?} is true, log in automatically as
@var{default-user}. @var{default-user}.

13
gnu/services/xorg.scm
View file

@ -207,6 +207,19 @@ (define* (slim-service #:key (slim slim)
turn starts the X display server with @var{startx}, a command as returned by turn starts the X display server with @var{startx}, a command as returned by
@code{xorg-start-command}. @code{xorg-start-command}.
@cindex X session
SLiM automatically looks for session types described by the @file{.desktop}
files in @file{/run/current-system/profile/share/xsessions} and allows users
to choose a session from the log-in screen using @kbd{F1}. Packages such as
@var{xfce}, @var{sawfish}, and @var{ratpoison} provide @file{.desktop} files;
adding them to the system-wide set of packages automatically makes them
available at the log-in screen.
In addition, @file{~/.xsession} files are honored. When available,
@file{~/.xsession} must be an executable that starts a window manager
and/or other X clients.
When @var{allow-empty-passwords?} is true, allow logins with an empty When @var{allow-empty-passwords?} is true, allow logins with an empty
password. When @var{auto-login?} is true, log in automatically as password. When @var{auto-login?} is true, log in automatically as
@var{default-user} with @var{auto-login-session}. @var{default-user} with @var{auto-login-session}.