29027fd1e1
Using pkgs.lib on the spine of module evaluation is problematic because the pkgs argument depends on the result of module evaluation. To prevent an infinite recursion, pkgs and some of the modules are evaluated twice, which is inefficient. Using ‘with lib’ prevents this problem.
43 lines
925 B
Nix
43 lines
925 B
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.xserver.windowManager.i3;
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in
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{
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options = {
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services.xserver.windowManager.i3 = {
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enable = mkOption {
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default = false;
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example = true;
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description = "Enable the i3 tiling window manager.";
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};
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configFile = mkOption {
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default = null;
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type = types.nullOr types.path;
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description = ''
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Path to the i3 configuration file.
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If left at the default value, $HOME/.i3/config will be used.
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'';
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};
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};
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};
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config = mkIf cfg.enable {
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services.xserver.windowManager = {
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session = [{
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name = "i3";
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start = ''
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${pkgs.i3}/bin/i3 ${optionalString (cfg.configFile != null)
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"-c \"${cfg.configFile}\""
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} &
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waitPID=$!
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'';
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}];
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};
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environment.systemPackages = [ pkgs.i3 ];
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};
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}
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