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home-manager/modules/misc/xdg-system-dirs.nix
Robert Helgesson 5f433eb164
Move platform check into modules
Before, loading a module would be guarded by an optional platform
condition. This made it possible to avoid loading and evaluating a
module if it did not support the host platform.

Unfortunately, this made it impossible to share a single configuration
between GNU/Linux and Darwin hosts, which some wish to do.

This removes the conditional load and instead inserts host platform
assertions in the modules that are platform specific.

Fixes #1906
2021-07-18 20:43:22 +02:00

61 lines
1.5 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.xdg.systemDirs;
configDirs = concatStringsSep ":" cfg.config;
dataDirs = concatStringsSep ":" cfg.data;
in {
meta.maintainers = with maintainers; [ tadfisher ];
options.xdg.systemDirs = {
config = mkOption {
type = types.listOf types.str;
default = [ ];
example = literalExample ''[ "/etc/xdg" ]'';
description = ''
Directory names to add to <envar>XDG_CONFIG_DIRS</envar>
in the user session.
'';
};
data = mkOption {
type = types.listOf types.str;
default = [ ];
example = literalExample ''[ "/usr/share" "/usr/local/share" ]'';
description = ''
Directory names to add to <envar>XDG_DATA_DIRS</envar>
in the user session.
'';
};
};
config = mkMerge [
(mkIf (cfg.config != [ ] || cfg.data != [ ]) {
assertions = [
(hm.assertions.assertPlatform "xdg.systemDirs" pkgs platforms.linux)
];
})
(mkIf (cfg.config != [ ]) {
home.sessionVariables.XDG_CONFIG_DIRS =
"${configDirs}\${XDG_CONFIG_DIRS:+:$XDG_CONFIG_DIRS}";
systemd.user.sessionVariables.XDG_CONFIG_DIRS =
"${configDirs}\${XDG_CONFIG_DIRS:+:$XDG_CONFIG_DIRS}";
})
(mkIf (cfg.data != [ ]) {
home.sessionVariables.XDG_DATA_DIRS =
"${dataDirs}\${XDG_DATA_DIRS:+:$XDG_DATA_DIRS}";
systemd.user.sessionVariables.XDG_DATA_DIRS =
"${dataDirs}\${XDG_DATA_DIRS:+:$XDG_DATA_DIRS}";
})
];
}