157 lines
4.5 KiB
Nix
157 lines
4.5 KiB
Nix
{ config, lib, pkgs, ... }:
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with 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 ${toString dmcfg.xserverArgs}
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sessiondir ${dmcfg.session.desktops}/share/xsessions
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login_cmd exec ${pkgs.runtimeShell} ${dmcfg.session.wrapper} "%session"
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halt_cmd ${config.systemd.package}/sbin/shutdown -h now
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reboot_cmd ${config.systemd.package}/sbin/shutdown -r now
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logfile /dev/stderr
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${optionalString (cfg.defaultUser != null) ("default_user " + cfg.defaultUser)}
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${optionalString (cfg.defaultUser != null) ("focus_password yes")}
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${optionalString cfg.autoLogin "auto_login yes"}
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${optionalString (cfg.consoleCmd != null) "console_cmd ${cfg.consoleCmd}"}
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${cfg.extraConfig}
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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.runCommand "slim-theme" { preferLocalBuild = true; }
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''
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mkdir -p $out
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cd $out
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unpackFile ${cfg.theme}
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ln -s * default
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'';
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in if cfg.theme == null then "${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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type = types.bool;
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default = false;
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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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type = types.nullOr types.path;
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default = pkgs.fetchurl {
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url = "https://github.com/jagajaga/nixos-slim-theme/archive/2.0.tar.gz";
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sha256 = "0lldizhigx7bjhxkipii87y432hlf5wdvamnfxrryf9z7zkfypc8";
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};
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defaultText = ''pkgs.fetchurl {
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url = "https://github.com/jagajaga/nixos-slim-theme/archive/2.0.tar.gz";
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sha256 = "0lldizhigx7bjhxkipii87y432hlf5wdvamnfxrryf9z7zkfypc8";
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}'';
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example = literalExample ''
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pkgs.fetchurl {
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url = "mirror://sourceforge/slim.berlios/slim-wave.tar.gz";
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sha256 = "0ndr419i5myzcylvxb89m9grl2xyq6fbnyc3lkd711mzlmnnfxdy";
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}
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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. TODO: berlios shut down.
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'';
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};
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defaultUser = mkOption {
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type = types.nullOr types.str;
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default = null;
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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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autoLogin = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Automatically log in as the default user.
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'';
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};
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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description = ''
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Extra configuration options for SLiM login manager. Do not
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add options that can be configured directly.
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'';
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};
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consoleCmd = mkOption {
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type = types.nullOr types.str;
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default = ''
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${pkgs.xterm}/bin/xterm -C -fg white -bg black +sb -T "Console login" -e ${pkgs.shadow}/bin/login
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'';
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defaultText = ''
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''${pkgs.xterm}/bin/xterm -C -fg white -bg black +sb -T "Console login" -e ''${pkgs.shadow}/bin/login
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'';
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description = ''
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The command to run when "console" is given as the username.
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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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{ environment =
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{ SLIM_CFGFILE = slimConfig;
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SLIM_THEMESDIR = slimThemesDir;
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};
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execCmd = "exec ${pkgs.slim}/bin/slim";
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};
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services.xserver.displayManager.sessionCommands =
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''
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# Export the config/themes for slimlock.
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export SLIM_THEMESDIR=${slimThemesDir}
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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.slim = { allowNullPassword = true; startSession = true; };
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# Allow slimlock to work.
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security.pam.services.slimlock = {};
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environment.systemPackages = [ pkgs.slim ];
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};
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}
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