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{ options, config, lib, pkgs, ... }:
with lib;
let
cfg = config.xdg;
dag = config.lib.dag;
fileType = (import ../lib/file-type.nix {
inherit (config.home) homeDirectory;
inherit lib pkgs;
}).fileType;
defaultCacheHome = "${config.home.homeDirectory}/.cache";
defaultConfigHome = "${config.home.homeDirectory}/.config";
defaultDataHome = "${config.home.homeDirectory}/.local/share";
getXdgDir = name: fallback:
let
value = builtins.getEnv name;
in
if value != "" then value else fallback;
in
{
options.xdg = {
enable = mkEnableOption "management of XDG base directories";
cacheHome = mkOption {
type = types.path;
defaultText = "~/.cache";
description = ''
Absolute path to directory holding application caches.
'';
};
configFile = mkOption {
type = fileType "<varname>xdg.configHome</varname>" cfg.configHome;
default = {};
description = ''
Attribute set of files to link into the user's XDG
configuration home.
'';
};
configHome = mkOption {
type = types.path;
defaultText = "~/.config";
description = ''
Absolute path to directory holding application configurations.
'';
};
dataFile = mkOption {
type = fileType "<varname>xdg.dataHome</varname>" cfg.dataHome;
default = {};
description = ''
Attribute set of files to link into the user's XDG
data home.
'';
};
dataHome = mkOption {
type = types.path;
defaultText = "~/.local/share";
description = ''
Absolute path to directory holding application data.
'';
};
};
config = mkMerge [
(mkIf cfg.enable {
xdg.cacheHome = mkDefault defaultCacheHome;
xdg.configHome = mkDefault defaultConfigHome;
xdg.dataHome = mkDefault defaultDataHome;
home.sessionVariables = {
XDG_CACHE_HOME = cfg.cacheHome;
XDG_CONFIG_HOME = cfg.configHome;
XDG_DATA_HOME = cfg.dataHome;
};
})
# Legacy non-deterministic setup.
(mkIf (!cfg.enable && versionOlder config.home.stateVersion "20.09") {
xdg.cacheHome = getXdgDir "XDG_CACHE_HOME" defaultCacheHome;
xdg.configHome = getXdgDir "XDG_CONFIG_HOME" defaultConfigHome;
xdg.dataHome = getXdgDir "XDG_DATA_HOME" defaultDataHome;
})
# "Modern" deterministic setup.
(mkIf (!cfg.enable && versionAtLeast config.home.stateVersion "20.09") {
xdg.cacheHome = mkDefault defaultCacheHome;
xdg.configHome = mkDefault defaultConfigHome;
xdg.dataHome = mkDefault defaultDataHome;
})
{
home.file = mkMerge [
cfg.configFile
cfg.dataFile
{
"${config.xdg.cacheHome}/.keep".text = "";
}
];
}
];
}
|
