depot/third_party/nixpkgs/nixos/modules/services/display-managers/ly.nix

148 lines
3.6 KiB
Nix

{
config,
lib,
pkgs,
...
}:
let
dmcfg = config.services.displayManager;
xcfg = config.services.xserver;
xdmcfg = xcfg.displayManager;
cfg = config.services.displayManager.ly;
xEnv = config.systemd.services.display-manager.environment;
ly = cfg.package;
iniFmt = pkgs.formats.iniWithGlobalSection { };
inherit (lib)
concatMapStrings
attrNames
getAttr
mkIf
mkOption
mkEnableOption
mkPackageOption
;
xserverWrapper = pkgs.writeShellScript "xserver-wrapper" ''
${concatMapStrings (n: ''
export ${n}="${getAttr n xEnv}"
'') (attrNames xEnv)}
exec systemd-cat -t xserver-wrapper ${xdmcfg.xserverBin} ${toString xdmcfg.xserverArgs} "$@"
'';
defaultConfig = {
shutdown_cmd = "/run/current-system/systemd/bin/systemctl poweroff";
restart_cmd = "/run/current-system/systemd/bin/systemctl reboot";
tty = 2;
service_name = "ly";
path = "/run/current-system/sw/bin";
term_reset_cmd = "${pkgs.ncurses}/bin/tput reset";
term_restore_cursor_cmd = "${pkgs.ncurses}/bin/tput cnorm";
mcookie_cmd = "/run/current-system/sw/bin/mcookie";
waylandsessions = "${dmcfg.sessionData.desktops}/share/wayland-sessions";
wayland_cmd = dmcfg.sessionData.wrapper;
xsessions = "${dmcfg.sessionData.desktops}/share/xsessions";
xauth_cmd = lib.optionalString xcfg.enable "${pkgs.xorg.xauth}/bin/xauth";
x_cmd = lib.optionalString xcfg.enable xserverWrapper;
x_cmd_setup = dmcfg.sessionData.wrapper;
};
finalConfig = defaultConfig // cfg.settings;
cfgFile = iniFmt.generate "config.ini" { globalSection = finalConfig; };
in
{
options = {
services.displayManager.ly = {
enable = mkEnableOption "ly as the display manager";
package = mkPackageOption pkgs [ "ly" ] { };
settings = mkOption {
type =
with lib.types;
attrsOf (oneOf [
str
int
bool
]);
default = { };
example = {
load = false;
save = false;
};
description = ''
Extra settings merged in and overwriting defaults in config.ini.
'';
};
};
};
config = mkIf cfg.enable {
assertions = [
{
assertion = !dmcfg.autoLogin.enable;
message = ''
ly doesn't support auto login.
'';
}
];
security.pam.services.ly = {
startSession = true;
unixAuth = true;
enableGnomeKeyring = lib.mkDefault config.services.gnome.gnome-keyring.enable;
};
environment = {
etc."ly/config.ini".source = cfgFile;
systemPackages = [ ly ];
pathsToLink = [ "/share/ly" ];
};
services = {
dbus.packages = [ ly ];
displayManager = {
enable = true;
execCmd = "exec /run/current-system/sw/bin/ly";
};
xserver = {
# To enable user switching, allow ly to allocate TTYs/displays dynamically.
tty = null;
display = null;
};
};
systemd = {
# We're not using the upstream unit, so copy these:
# https://github.com/fairyglade/ly/blob/master/res/ly.service
services.display-manager = {
after = [
"systemd-user-sessions.service"
"plymouth-quit-wait.service"
"getty@tty${toString finalConfig.tty}.service"
];
conflicts = [ "getty@tty7.service" ];
serviceConfig = {
Type = "idle";
StandardInput = "tty";
TTYPath = "/dev/tty${toString finalConfig.tty}";
TTYReset = "yes";
TTYVHangup = "yes";
};
};
};
};
meta.maintainers = with lib.maintainers; [ vonfry ];
}