111 lines
3.8 KiB
Nix
111 lines
3.8 KiB
Nix
{ config, lib, pkgs, ... }:
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{
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###### interface
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options = {
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i18n = {
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glibcLocales = lib.mkOption {
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type = lib.types.path;
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default = pkgs.glibcLocales.override {
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allLocales = lib.any (x: x == "all") config.i18n.supportedLocales;
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locales = config.i18n.supportedLocales;
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};
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defaultText = lib.literalExpression ''
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pkgs.glibcLocales.override {
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allLocales = lib.any (x: x == "all") config.i18n.supportedLocales;
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locales = config.i18n.supportedLocales;
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}
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'';
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example = lib.literalExpression "pkgs.glibcLocales";
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description = ''
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Customized pkg.glibcLocales package.
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Changing this option can disable handling of i18n.defaultLocale
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and supportedLocale.
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'';
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};
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defaultLocale = lib.mkOption {
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type = lib.types.str;
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default = "en_US.UTF-8";
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example = "nl_NL.UTF-8";
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description = ''
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The default locale. It determines the language for program
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messages, the format for dates and times, sort order, and so on.
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It also determines the character set, such as UTF-8.
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'';
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};
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extraLocaleSettings = lib.mkOption {
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type = lib.types.attrsOf lib.types.str;
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default = {};
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example = { LC_MESSAGES = "en_US.UTF-8"; LC_TIME = "de_DE.UTF-8"; };
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description = ''
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A set of additional system-wide locale settings other than
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`LANG` which can be configured with
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{option}`i18n.defaultLocale`.
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'';
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};
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supportedLocales = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = lib.unique
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(builtins.map (l: (lib.replaceStrings [ "utf8" "utf-8" "UTF8" ] [ "UTF-8" "UTF-8" "UTF-8" ] l) + "/UTF-8") (
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[
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"C.UTF-8"
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"en_US.UTF-8"
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config.i18n.defaultLocale
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] ++ (lib.attrValues (lib.filterAttrs (n: v: n != "LANGUAGE") config.i18n.extraLocaleSettings))
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));
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defaultText = lib.literalExpression ''
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lib.unique
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(builtins.map (l: (lib.replaceStrings [ "utf8" "utf-8" "UTF8" ] [ "UTF-8" "UTF-8" "UTF-8" ] l) + "/UTF-8") (
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[
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"C.UTF-8"
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"en_US.UTF-8"
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config.i18n.defaultLocale
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] ++ (lib.attrValues (lib.filterAttrs (n: v: n != "LANGUAGE") config.i18n.extraLocaleSettings))
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))
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'';
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example = ["en_US.UTF-8/UTF-8" "nl_NL.UTF-8/UTF-8" "nl_NL/ISO-8859-1"];
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description = ''
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List of locales that the system should support. The value
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`"all"` means that all locales supported by
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Glibc will be installed. A full list of supported locales
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can be found at <https://sourceware.org/git/?p=glibc.git;a=blob;f=localedata/SUPPORTED>.
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'';
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};
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};
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};
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###### implementation
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config = {
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environment.systemPackages =
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# We increase the priority a little, so that plain glibc in systemPackages can't win.
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lib.optional (config.i18n.supportedLocales != []) (lib.setPrio (-1) config.i18n.glibcLocales);
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environment.sessionVariables =
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{ LANG = config.i18n.defaultLocale;
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LOCALE_ARCHIVE = "/run/current-system/sw/lib/locale/locale-archive";
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} // config.i18n.extraLocaleSettings;
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systemd.globalEnvironment = lib.mkIf (config.i18n.supportedLocales != []) {
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LOCALE_ARCHIVE = "${config.i18n.glibcLocales}/lib/locale/locale-archive";
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};
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# ‘/etc/locale.conf’ is used by systemd.
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environment.etc."locale.conf".source = pkgs.writeText "locale.conf"
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''
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LANG=${config.i18n.defaultLocale}
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${lib.concatStringsSep "\n" (lib.mapAttrsToList (n: v: "${n}=${v}") config.i18n.extraLocaleSettings)}
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'';
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};
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}
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