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114 lines
2.8 KiB
Nix
114 lines
2.8 KiB
Nix
{pkgs, config, ...}:
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with pkgs.lib;
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let
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dmcfg = config.services.xserver.displayManager;
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cfg = dmcfg.slim;
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slimConfig = pkgs.writeText "slim.cfg"
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''
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xauth_path ${dmcfg.xauthBin}
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default_xserver ${dmcfg.xserverBin}
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xserver_arguments ${dmcfg.xserverArgs}
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sessions ${pkgs.lib.concatStringsSep "," (dmcfg.session.names ++ ["custom"])}
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login_cmd exec ${pkgs.stdenv.bash}/bin/sh ${dmcfg.session.script} "%session"
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halt_cmd ${config.system.build.upstart}/sbin/shutdown -h now
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reboot_cmd ${config.system.build.upstart}/sbin/shutdown -r now
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${if cfg.defaultUser != "" then "default_user " + cfg.defaultUser else ""}
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${if cfg.hideCursor then "hidecursor true" else ""}
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'';
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# Unpack the SLiM theme, or use the default.
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slimThemesDir =
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let
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unpackedTheme = pkgs.stdenv.mkDerivation {
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name = "slim-theme";
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buildCommand = ''
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ensureDir $out
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cd $out
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unpackFile ${cfg.theme}
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ln -s * default
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'';
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};
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in if cfg.theme == null then "${pkgs.slim}/share/slim/themes" else unpackedTheme;
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in
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{
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###### interface
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options = {
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services.xserver.displayManager.slim = {
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enable = mkOption {
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default = true;
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description = ''
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Whether to enable SLiM as the display manager.
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'';
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};
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theme = mkOption {
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default = null;
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example = pkgs.fetchurl {
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url = http://download.berlios.de/slim/slim-wave.tar.gz;
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sha256 = "0ndr419i5myzcylvxb89m9grl2xyq6fbnyc3lkd711mzlmnnfxdy";
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};
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description = ''
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The theme for the SLiM login manager. If not specified, SLiM's
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default theme is used. See <link
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xlink:href='http://slim.berlios.de/themes01.php'/> for a
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collection of themes.
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'';
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};
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defaultUser = mkOption {
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default = "";
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example = "login";
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description = ''
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The default user to load. If you put a username here you
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get it automatically loaded into the username field, and
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the focus is placed on the password.
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'';
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};
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hideCursor = mkOption {
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default = false;
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example = true;
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description = ''
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Hide the mouse cursor on the login screen.
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'';
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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services.xserver.displayManager.job =
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{ preStart =
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''
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rm -f /var/log/slim.log
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'';
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environment =
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{ SLIM_CFGFILE = slimConfig;
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SLIM_THEMESDIR = slimThemesDir;
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};
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execCmd = "${pkgs.slim}/bin/slim";
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};
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# Allow null passwords so that the user can login as root on the
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# installation CD.
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security.pam.services = [ { name = "slim"; allowNullPassword = true; } ];
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};
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}
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