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|
{ config, lib, pkgs, ... }:
with lib;
let
dmcfg = config.services.xserver.displayManager;
cfg = dmcfg.slim;
slimConfig = pkgs.writeText "slim.cfg"
''
xauth_path ${dmcfg.xauthBin}
default_xserver ${dmcfg.xserverBin}
xserver_arguments ${dmcfg.xserverArgs}
sessiondir ${dmcfg.session.desktops}
login_cmd exec ${pkgs.stdenv.shell} ${dmcfg.session.script} "%session"
halt_cmd ${config.systemd.package}/sbin/shutdown -h now
reboot_cmd ${config.systemd.package}/sbin/shutdown -r now
${optionalString (cfg.defaultUser != null) ("default_user " + cfg.defaultUser)}
${optionalString cfg.autoLogin "auto_login yes"}
'';
# Unpack the SLiM theme, or use the default.
slimThemesDir =
let
unpackedTheme = pkgs.stdenv.mkDerivation {
name = "slim-theme";
buildCommand = ''
ensureDir $out
cd $out
unpackFile ${cfg.theme}
ln -s * default
'';
};
in if cfg.theme == null then "${pkgs.slim}/share/slim/themes" else unpackedTheme;
in
{
###### interface
options = {
services.xserver.displayManager.slim = {
enable = mkOption {
type = types.bool;
default = config.services.xserver.enable;
description = ''
Whether to enable SLiM as the display manager.
'';
};
theme = mkOption {
type = types.nullOr types.path;
default = null;
example = literalExample ''
pkgs.fetchurl {
url = http://download.berlios.de/slim/slim-wave.tar.gz;
sha256 = "0ndr419i5myzcylvxb89m9grl2xyq6fbnyc3lkd711mzlmnnfxdy";
}
'';
description = ''
The theme for the SLiM login manager. If not specified, SLiM's
default theme is used. See <link
xlink:href='http://slim.berlios.de/themes01.php'/> for a
collection of themes.
'';
};
defaultUser = mkOption {
type = types.nullOr types.str;
default = null;
example = "login";
description = ''
The default user to load. If you put a username here you
get it automatically loaded into the username field, and
the focus is placed on the password.
'';
};
autoLogin = mkOption {
type = types.bool;
default = false;
description = ''
Automatically log in as the default user.
'';
};
};
};
###### implementation
config = mkIf cfg.enable {
services.xserver.displayManager.job =
{ preStart =
''
rm -f /var/log/slim.log
'';
environment =
{ SLIM_CFGFILE = slimConfig;
SLIM_THEMESDIR = slimThemesDir;
};
execCmd = "exec ${pkgs.slim}/bin/slim";
};
services.xserver.displayManager.sessionCommands =
''
# Export the config/themes for slimlock.
export SLIM_THEMESDIR=${slimThemesDir}
'';
# Allow null passwords so that the user can login as root on the
# installation CD.
security.pam.services.slim = { allowNullPassword = true; startSession = true; };
# Allow slimlock to work.
security.pam.services.slimlock = {};
environment.systemPackages = [ pkgs.slim ];
};
}
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