system/fonts: fix emoji priority

home/progs/alacritty/config.nix

@@ -20,25 +20,15 @@
 
   font =
     let
-      family = "Fira Code";
+      family = "monospace";
+
+      mkFont = style: { inherit family style; };
     in
     {
-      normal = {
-        inherit family;
-        style = "Regular";
-      };
-      bold = {
-        inherit family;
-        style = "Bold";
-      };
-      italic = {
-        inherit family;
-        style = "Italic";
-      };
-      bold_italic = {
-        inherit family;
-        style = "Bold Italic";
-      };
+      normal = mkFont "Regular";
+      bold = mkFont "Bold";
+      italic = mkFont "Italic";
+      bold_italic = mkFont "Bold Italic";
 
       size = 11.0;
     };

system/configuration.nix

@@ -23,12 +23,27 @@ in
   # Set your time zone.
   time.timeZone = "Europe/Moscow";
 
-  fonts.fonts = with pkgs; [
+  fonts = {
+    enableDefaultFonts = true;
+    fonts = with pkgs; [
       ubuntu_font_family
       fira-code
       fira-code-symbols
       (nerdfonts.override { fonts = [ "FiraCode" ]; })
     ];
+    fontconfig = {
+      defaultFonts = {
+        monospace = [
+          "Fira Code"
+          "FireCode Nerd Font Mono"
+          "emoji"
+        ];
+        serif = [ "Ubuntu" "emoji" ];
+        sansSerif = [ "Ubuntu" "emoji" ];
+        emoji = [ "Noto Color Emoji" "Noto Emoji" ];
+      };
+    };
+  };
 
   # Configure network proxy if necessary
   # networking.proxy.default = "http://user:password@proxy:port/";