nixpkgs/nixos/modules/config/qt-plugin-env.nix

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{ config, pkgs, lib, ... }:
{
imports = [
];
options = {
qtPlugins = lib.mkOption {
type = lib.types.listOf lib.types.path;
default = [];
description = ''
Plugin packages for Qt such as input methods.
'';
};
};
config = {
environment.variables = if builtins.length config.qtPlugins > 0
then
let
paths = [ pkgs.qt48 ] ++ config.qtPlugins;
env = pkgs.buildEnv {
name = "qt-plugin-env";
inherit paths;
postBuild = lib.concatStringsSep "\n"
(map (d: d.qtPluginEnvPostBuild or "") paths);
ignoreCollisions = true;
};
in {
QT_PLUGIN_PATH = [ (builtins.toString env) ];
}
else {};
};
}