nixpkgs/nixos/modules/services/x11/window-managers/i3.nix

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{ config, lib, pkgs, ... }:
with lib;
let
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cfg = config.services.xserver.windowManager.i3;
in
{
options.services.xserver.windowManager.i3 = {
enable = mkEnableOption "i3 window manager";
configFile = mkOption {
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default = null;
type = with types; nullOr path;
description = ''
Path to the i3 configuration file.
If left at the default value, $HOME/.i3/config will be used.
'';
};
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extraSessionCommands = mkOption {
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default = "";
type = types.lines;
description = ''
Shell commands executed just before i3 is started.
'';
};
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package = mkOption {
type = types.package;
default = pkgs.i3;
defaultText = "pkgs.i3";
example = "pkgs.i3-gaps";
description = ''
i3 package to use.
'';
};
extraPackages = mkOption {
type = with types; listOf package;
default = with pkgs; [ dmenu i3status i3lock ];
example = literalExample ''
with pkgs; [
dmenu
i3status
i3lock
]
'';
description = ''
Extra packages to be installed system wide.
'';
};
};
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config = mkIf cfg.enable {
services.xserver.windowManager.session = [{
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name = "i3";
start = ''
${cfg.extraSessionCommands}
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${cfg.package}/bin/i3 ${optionalString (cfg.configFile != null)
"-c /etc/i3/config"
} &
waitPID=$!
'';
}];
environment.systemPackages = [ cfg.package ] ++ cfg.extraPackages;
environment.etc."i3/config" = mkIf (cfg.configFile != null) {
source = cfg.configFile;
};
};
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imports = [
(mkRemovedOptionModule [ "services" "xserver" "windowManager" "i3-gaps" "enable" ]
"Use services.xserver.windowManager.i3.enable and set services.xserver.windowManager.i3.package to pkgs.i3-gaps to use i3-gaps.")
];
}