29027fd1e1
Using pkgs.lib on the spine of module evaluation is problematic because the pkgs argument depends on the result of module evaluation. To prevent an infinite recursion, pkgs and some of the modules are evaluated twice, which is inefficient. Using ‘with lib’ prevents this problem.
91 lines
2.2 KiB
Nix
91 lines
2.2 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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glibcLocales = pkgs.glibcLocales.override {
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allLocales = any (x: x == "all") config.i18n.supportedLocales;
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locales = config.i18n.supportedLocales;
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};
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in
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{
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###### interface
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options = {
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i18n = {
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defaultLocale = mkOption {
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type = 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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supportedLocales = mkOption {
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type = types.listOf types.str;
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default = ["all"];
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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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<literal>"all"</literal> 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 <link
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xlink:href="http://sourceware.org/cgi-bin/cvsweb.cgi/libc/localedata/SUPPORTED?cvsroot=glibc"/>.
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'';
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};
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consoleFont = mkOption {
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type = types.str;
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default = "lat9w-16";
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example = "LatArCyrHeb-16";
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description = ''
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The font used for the virtual consoles. Leave empty to use
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whatever the <command>setfont</command> program considers the
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default font.
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'';
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};
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consoleKeyMap = mkOption {
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type = mkOptionType {
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name = "string or path";
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check = t: (isString t || types.path.check t);
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};
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default = "us";
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example = "fr";
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description = ''
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The keyboard mapping table for the virtual consoles.
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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 = [ glibcLocales ];
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environment.variables.LANG = config.i18n.defaultLocale;
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# ‘/etc/locale.conf’ is used by systemd.
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environment.etc = singleton
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{ target = "locale.conf";
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source = pkgs.writeText "locale.conf"
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''
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LANG=${config.i18n.defaultLocale}
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'';
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};
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};
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}
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