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home-manager/modules/xresources.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.xresources;
formatLine = n: v:
let
v' =
if isBool v then (if v then "true" else "false")
else toString v;
in
"${n}: ${v'}";
in
{
options = {
xresources.properties = mkOption {
type = types.nullOr types.attrs;
default = null;
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example = {
"XTerm*faceName" = "dejavu sans mono";
"Emacs*toolBar" = 0;
};
description = ''
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X server resources that should be set. If <code>null</code>,
then this feature is disabled and no
<filename>~/.Xresources</filename> link is produced.
'';
};
};
config = mkIf (cfg.properties != null) {
home.file.".Xresources".text =
concatStringsSep "\n" (
mapAttrsToList formatLine cfg.properties
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) + "\n";
};
}