From 397d2637e9280ff3459534e8b81fd1ffdcb365df Mon Sep 17 00:00:00 2001
From: Piotr Limanowski <piotr@codearsonist.com>
Date: Thu, 4 Oct 2018 13:46:28 +0200
Subject: [PATCH] looks for fonts with both otf and ttf extensions

---
 modules/fonts/default.nix | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/modules/fonts/default.nix b/modules/fonts/default.nix
index ed65e8c..75738fe 100644
--- a/modules/fonts/default.nix
+++ b/modules/fonts/default.nix
@@ -9,9 +9,13 @@ let
       home = readDir path;
       list = mapAttrsToList (name: type:
         let newPath = "${path}/${name}";
-        in if (type == "directory" || type == "symlink") && !(hasSuffix ".ttf" name) then readDirsRec newPath else [ newPath ]) home;
+        in if (type == "directory" || type == "symlink") && !(isFont name) then readDirsRec newPath else [ newPath ]) home;
       in flatten list;
-    fontFiles = dir: filter (name: hasSuffix ".ttf" name) (readDirsRec dir);
+    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);
     print = font: "ln -fn '${font}' '/Library/Fonts/${baseNameOf font}'";
     in concatMapStringsSep "\n" print (fontFiles dir);
 in {