depot/third_party/nixpkgs/nixos/modules/config/i18n.nix
Default email ae91cbe6cc Project import generated by Copybara.
GitOrigin-RevId: 536fe36e23ab0fc8b7f35c24603422eee9fc17a2
2021-02-05 18:12:51 +01:00

91 lines
2.8 KiB
Nix
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

{ config, lib, pkgs, ... }:
with lib;
{
###### interface
options = {
i18n = {
glibcLocales = mkOption {
type = types.path;
default = pkgs.buildPackages.glibcLocales.override {
allLocales = any (x: x == "all") config.i18n.supportedLocales;
locales = config.i18n.supportedLocales;
};
example = literalExample "pkgs.glibcLocales";
description = ''
Customized pkg.glibcLocales package.
Changing this option can disable handling of i18n.defaultLocale
and supportedLocale.
'';
};
defaultLocale = mkOption {
type = types.str;
default = "en_US.UTF-8";
example = "nl_NL.UTF-8";
description = ''
The default locale. It determines the language for program
messages, the format for dates and times, sort order, and so on.
It also determines the character set, such as UTF-8.
'';
};
extraLocaleSettings = mkOption {
type = types.attrsOf types.str;
default = {};
example = { LC_MESSAGES = "en_US.UTF-8"; LC_TIME = "de_DE.UTF-8"; };
description = ''
A set of additional system-wide locale settings other than
<literal>LANG</literal> which can be configured with
<option>i18n.defaultLocale</option>.
'';
};
supportedLocales = mkOption {
type = types.listOf types.str;
default = ["all"];
example = ["en_US.UTF-8/UTF-8" "nl_NL.UTF-8/UTF-8" "nl_NL/ISO-8859-1"];
description = ''
List of locales that the system should support. The value
<literal>"all"</literal> means that all locales supported by
Glibc will be installed. A full list of supported locales
can be found at <link
xlink:href="https://sourceware.org/git/?p=glibc.git;a=blob;f=localedata/SUPPORTED"/>.
'';
};
};
};
###### implementation
config = {
environment.systemPackages =
# We increase the priority a little, so that plain glibc in systemPackages can't win.
optional (config.i18n.supportedLocales != []) (lib.setPrio (-1) config.i18n.glibcLocales);
environment.sessionVariables =
{ LANG = config.i18n.defaultLocale;
LOCALE_ARCHIVE = "/run/current-system/sw/lib/locale/locale-archive";
} // config.i18n.extraLocaleSettings;
systemd.globalEnvironment = mkIf (config.i18n.supportedLocales != []) {
LOCALE_ARCHIVE = "${config.i18n.glibcLocales}/lib/locale/locale-archive";
};
# /etc/locale.conf is used by systemd.
environment.etc."locale.conf".source = pkgs.writeText "locale.conf"
''
LANG=${config.i18n.defaultLocale}
${concatStringsSep "\n" (mapAttrsToList (n: v: "${n}=${v}") config.i18n.extraLocaleSettings)}
'';
};
}