nixpkgs/nixos/modules/programs/xwayland.nix

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{ config, lib, pkgs, ... }:
let
cfg = config.programs.xwayland;
in
{
options.programs.xwayland = {
enable = lib.mkEnableOption "Xwayland (an X server for interfacing X11 apps with the Wayland protocol)";
defaultFontPath = lib.mkOption {
type = lib.types.str;
default = lib.optionalString config.fonts.fontDir.enable
"/run/current-system/sw/share/X11/fonts";
defaultText = lib.literalExpression ''
optionalString config.fonts.fontDir.enable "/run/current-system/sw/share/X11/fonts"
'';
description = ''
Default font path. Setting this option causes Xwayland to be rebuilt.
'';
};
package = lib.mkOption {
type = lib.types.path;
default = pkgs.xwayland.override (oldArgs: {
inherit (cfg) defaultFontPath;
});
defaultText = lib.literalExpression ''
pkgs.xwayland.override (oldArgs: {
inherit (config.programs.xwayland) defaultFontPath;
})
'';
description = "The Xwayland package to use.";
};
};
config = lib.mkIf cfg.enable {
# Needed by some applications for fonts and default settings
environment.pathsToLink = [ "/share/X11" ];
environment.systemPackages = [ cfg.package ];
};
}