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.
63 lines
1.2 KiB
Nix
63 lines
1.2 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.xserver.windowManager;
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in
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{
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imports =
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[ ./compiz.nix
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./openbox.nix
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./metacity.nix
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./none.nix
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./twm.nix
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./wmii.nix
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./xmonad.nix
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./i3.nix
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./herbstluftwm.nix
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];
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options = {
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services.xserver.windowManager = {
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session = mkOption {
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internal = true;
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default = [];
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example = [{
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name = "wmii";
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start = "...";
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}];
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description = ''
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Internal option used to add some common line to window manager
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scripts before forwarding the value to the
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<varname>displayManager</varname>.
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'';
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apply = map (d: d // {
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manage = "window";
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});
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};
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default = mkOption {
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type = types.str;
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default = "none";
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example = "wmii";
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description = "Default window manager loaded if none have been chosen.";
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apply = defaultWM:
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if any (w: w.name == defaultWM) cfg.session then
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defaultWM
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else
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throw "Default window manager (${defaultWM}) not found.";
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};
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};
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};
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config = {
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services.xserver.displayManager.session = cfg.session;
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};
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}
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