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.
60 lines
1.5 KiB
Nix
60 lines
1.5 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
|
|
{
|
|
|
|
options = {
|
|
|
|
fonts = {
|
|
|
|
enableFontConfig = mkOption { # !!! should be enableFontconfig
|
|
type = types.bool;
|
|
default = true;
|
|
description = ''
|
|
If enabled, a Fontconfig configuration file will be built
|
|
pointing to a set of default fonts. If you don't care about
|
|
running X11 applications or any other program that uses
|
|
Fontconfig, you can turn this option off and prevent a
|
|
dependency on all those fonts.
|
|
'';
|
|
};
|
|
|
|
};
|
|
|
|
};
|
|
|
|
|
|
config = mkIf config.fonts.enableFontConfig {
|
|
|
|
# Bring in the default (upstream) fontconfig configuration.
|
|
environment.etc."fonts/fonts.conf".source =
|
|
pkgs.makeFontsConf { fontDirectories = config.fonts.fonts; };
|
|
|
|
environment.etc."fonts/conf.d/00-nixos.conf".text =
|
|
''
|
|
<?xml version='1.0'?>
|
|
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
|
|
<fontconfig>
|
|
|
|
<!-- Set the default hinting style to "slight". -->
|
|
<match target="font">
|
|
<edit mode="assign" name="hintstyle">
|
|
<const>hintslight</const>
|
|
</edit>
|
|
</match>
|
|
|
|
</fontconfig>
|
|
'';
|
|
|
|
# FIXME: This variable is no longer needed, but we'll keep it
|
|
# around for a while for applications linked against old
|
|
# fontconfig builds.
|
|
environment.variables.FONTCONFIG_FILE = "/etc/fonts/fonts.conf";
|
|
|
|
environment.systemPackages = [ pkgs.fontconfig ];
|
|
|
|
};
|
|
|
|
}
|