fonts: Use custom Iosevka variant

I don’t like the new defaults.

modules/fonts.nix

@@ -1,9 +1,74 @@
 { config, lib, pkgs, ... }:
+let
+  iosevka-sbruder = pkgs.iosevka.override {
+    privateBuildPlan = {
+      family = "Iosevka sbruder";
+      spacing = "normal";
+      serifs = "sans";
+      no-cv-ss = false;
+      export-glyph-names = true;
 
+      variants = {
+        inherits = "ss20";
+
+        design = {
+          capital-g = "toothless-rounded-serifless-hooked";
+          four = "closed";
+          six = "closed-contour";
+          eight = "two-circles";
+          nine = "closed-contour";
+          number-sign = "upright-tall";
+          percent = "dots";
+          lig-ltgteq = "slanted";
+        };
+      };
+
+      weights = {
+        regular = {
+          shape = 400;
+          menu = 400;
+          css = 400;
+        };
+        bold = {
+          shape = 700;
+          menu = 700;
+          css = 700;
+        };
+      };
+
+      slopes = {
+        upright = {
+          angle = 0;
+          shape = "upright";
+          menu = "upright";
+          css = "normal";
+        };
+        italic = {
+          angle = 9.4;
+          shape = "italic";
+          menu = "italic";
+          css = "italic";
+        };
+      };
+    };
+
+    set = "sbruder";
+  };
+
+  iosevka-sbruder-nerd-font = pkgs.runCommand "iosevka-sbruder-nerd-font" { } ''
+    ${pkgs.parallel}/bin/parallel \
+      ${pkgs.nerd-font-patcher}/bin/nerd-font-patcher \
+        --adjust-line-height \
+        --complete \
+        --careful \
+        --outputdir $out \
+      ::: ${iosevka-sbruder}/share/fonts/truetype/*.ttf
+  '';
+in
 lib.mkIf config.sbruder.gui.enable {
   fonts = {
     fonts = with pkgs; [
-      (nerdfonts.override { fonts = [ "Iosevka" ]; }) # default monospace font
+      iosevka-sbruder-nerd-font
     ] ++ lib.optionals config.sbruder.full [
       google-fonts # google font collection (free)
       lmodern # Latin Modern for non-latex applications

users/simon/modules/mpv/default.nix

@@ -70,7 +70,7 @@ in
 
     config = {
       # Main application font
-      osd-font = "Iosevka Nerd Font";
+      osd-font = "monospace";
 
       # Subtitles (adapted from https://github.com/LightArrowsEXE/dotfiles/blob/75973b6c8493368bbdee6e8e632964045fcf22ec/mpv/.config/mpv/mpv.conf#L76)
       sub-bold = true;

users/simon/modules/sway/waybar.css

@@ -1,7 +1,7 @@
 * {
   border-radius: 0;
   border: none;
-  font-family: "Iosevka Nerd Font";
+  font-family: "monospace";
   font-size: 12px;
   min-height: 0;
   transition-property: none;