8.nix-darwin/modules/fonts/default.nix
2018-10-06 20:38:01 +02:00

57 lines
2 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
with builtins;
let
cfg = config.fonts;
readDirsRec = path: let
home = readDir path;
list = mapAttrsToList (name: type:
let newPath = "${path}/${name}";
in if (type == "directory" || type == "symlink") && !(isFont name) then readDirsRec newPath else [ newPath ]) home;
in flatten list;
isFont = name: let
fontExt = [ ".ttf" ".otf" ];
hasExt = exts: name: foldl' (acc: ext: (hasSuffix ext name) || acc) false exts;
in hasExt fontExt name;
fontFiles = dir: filter isFont (readDirsRec dir);
libraryLink = font: "ln -fn '/run/current-system/sw/share/fonts/${baseNameOf font}' '/Library/Fonts/${baseNameOf font}'";
outLink = font: "ln -sfn -t $out/share/fonts/ '${font}'";
fontLinks = link: dir: concatMapStringsSep "\n" link (fontFiles dir);
systemFontsDir = pkgs.runCommand "systemFontsDir" {} ''
mkdir -p "$out/share/fonts"
echo ${toString config.fonts.fonts}
${concatMapStringsSep "\n" (fontLinks outLink) config.fonts.fonts}
'';
in {
options = {
fonts = {
enableFontDir = mkOption {
default = false;
description = ''
Whether to enable font directory management and link all fonts in <filename>/run/current-system/sw/share/fonts</filename>.
Important: removes all manually-added fonts.
'';
};
fonts = mkOption {
type = types.listOf types.path;
default = [];
example = literalExample "[ pkgs.dejavu_fonts ]";
description = "List of primary font paths.";
};
};
};
config = {
system.activationScripts.fonts.text = "" + optionalString cfg.enableFontDir ''
# Set up fonts.
echo "resetting fonts..." >&2
fontrestore default -n 2>&1 | grep -o '/Library/Fonts/.*' | tr '\n' '\0' | xargs -0 rm || true
echo "updating fonts..." >&2
${fontLinks libraryLink systemFontsDir}
'';
environment.systemPackages = [ systemFontsDir ];
environment.pathsToLink = [ "/share/fonts" ];
};
}