Add and switch to modified build of Iosevka font

Update Makefile for building and copying new fonts

Adjust padding of parts of waybar, using variable width glyphs in
Iosevka font

Makefile

@@ -7,10 +7,12 @@ default: build
 build:
 	nix build --no-link --keep-going .#nixosConfigurations.$(HOST).config.system.build.toplevel
 
-server:
+fonts:
+	nix build --no-link --max-jobs 1 .#iosevka-custom-aile .#iosevka-custom-etoile .#iosevka-custom-nerdfont
+
+server: fonts
 	nixos-rebuild build --flake .#Legion
-	nix copy ./result --to ssh://legion
-	rm ./result
+	nix copy ./result --to ssh://legion && rm ./result
 
 flathub:
 	flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo

flake.nix

@@ -30,9 +30,22 @@
       ...
     }:
     let
-      treefmt = treefmt-nix.lib.evalModule nixpkgs.legacyPackages.x86_64-linux ./treefmt.nix;
+      pkgs = nixpkgs.legacyPackages.x86_64-linux;
+      treefmt = treefmt-nix.lib.evalModule pkgs ./treefmt.nix;
     in
     {
+      packages.x86_64-linux =
+        let
+          fonts = pkgs.callPackage ./system/fonts.nix { };
+        in
+        {
+          inherit (fonts)
+            iosevka-custom
+            iosevka-custom-aile
+            iosevka-custom-etoile
+            iosevka-custom-nerdfont
+            ;
+        };
       formatter.x86_64-linux = treefmt.config.build.wrapper;
       checks.x86_64-linux.formatting = treefmt.config.build.check self;
       nixosConfigurations = {

system/default.nix

@@ -224,10 +224,22 @@
       name = "volantes_cursors";
       size = 32;
     };
-    fonts = {
+    fonts =
+      let
+        fpkgs = pkgs.callPackage ./fonts.nix { };
+      in
+      {
+        serif = {
+          package = fpkgs.iosevka-custom-etoile;
+          name = "Iosevka Custom Etoile";
+        };
+        sansSerif = {
+          package = fpkgs.iosevka-custom-aile;
+          name = "Iosevka Custom Aile";
+        };
         monospace = {
-        package = pkgs.nerdfonts.override { fonts = [ "DejaVuSansMono" ]; };
-        name = "DejaVuSansM Nerd Font";
+          package = fpkgs.iosevka-custom-nerdfont;
+          name = "IosevkaCustom Nerd Font Propo";
         };
         sizes = {
           applications = 12;

system/fonts.nix

@@ -0,0 +1,139 @@
+{
+  stdenv,
+  findutils,
+  iosevka,
+  nerd-font-patcher,
+}:
+let
+  custom-build-plan = {
+    noCvSs = false;
+    exportGlyphNames = false;
+    widths.Normal = {
+      shape = 500;
+      menu = 5;
+      css = "normal";
+    };
+    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";
+      };
+    };
+    variants.design = {
+      capital-g = "toothless-corner-serifless-hooked";
+      capital-j = "serifed-both-sides";
+      capital-k = "curly-serifless";
+      capital-p = "closed-motion-serifed";
+      capital-q = "crossing";
+      capital-r = "curly-serifless";
+      capital-u = "tailed-serifless";
+      capital-z = "straight-serifless-with-horizontal-crossbar";
+      a = "double-storey-tailed";
+      d = "tailed-serifless";
+      e = "rounded";
+      f = "tailed-crossbar-at-x-height";
+      g = "double-storey-open";
+      h = "tailed-serifless";
+      i = "tailed-serifed";
+      j = "serifed";
+      k = "cursive-serifless";
+      l = "tailed-serifed";
+      m = "tailed-serifless";
+      n = "tailed-serifless";
+      q = "diagonal-tailed-serifless";
+      u = "tailed-serifless";
+      y = "cursive-serifless";
+      z = "straight-serifless-with-horizontal-crossbar";
+      lower-delta = "flat-top";
+      lower-lambda = "tailed-turn";
+      lower-xi = "flat-top";
+      lower-chi = "semi-chancery-straight-serifless";
+      zero = "tall-slashed";
+      one = "no-base";
+      two = "straight-neck-serifless";
+      three = "flat-top-serifless";
+      four = "semi-open-serifless";
+      five = "oblique-arched-serifless";
+      six = "open-contour";
+      seven = "bend-serifless-crossbar";
+      eight = "two-circles";
+      nine = "open-contour";
+      asterisk = "hex-low";
+      underscore = "high";
+      caret = "high";
+      paren = "normal";
+      brace = "straight";
+      number-sign = "slanted";
+      ampersand = "closed";
+      at = "fourfold";
+      percent = "dots";
+      question = "corner";
+      lig-ltgteq = "flat";
+      lig-neq = "more-slanted";
+      lig-equal-chain = "without-notch";
+      lig-hyphen-chain = "without-notch";
+      lig-double-arrow-bar = "without-notch";
+      lig-single-arrow-bar = "without-notch";
+    };
+  };
+in
+rec {
+  iosevka-custom = iosevka.override {
+    set = "Custom";
+    privateBuildPlan = custom-build-plan // {
+      family = "Iosevka Custom";
+      spacing = "normal";
+      serifs = "sans";
+    };
+  };
+  iosevka-custom-aile = iosevka.override {
+    set = "CustomAile";
+    privateBuildPlan = custom-build-plan // {
+      family = "Iosevka Custom Aile";
+      spacing = "quasi-proportional";
+      serifs = "sans";
+    };
+  };
+  iosevka-custom-etoile = iosevka.override {
+    set = "CustomEtoile";
+    privateBuildPlan = custom-build-plan // {
+      family = "Iosevka Custom Etoile";
+      spacing = "quasi-proportional";
+      serifs = "slab";
+    };
+  };
+  iosevka-custom-nerdfont = stdenv.mkDerivation {
+    name = "${iosevka-custom.name}-nerd-font-patched";
+    src = iosevka-custom;
+    nativeBuildInputs = [
+      findutils
+      nerd-font-patcher
+    ];
+    buildPhase = ''
+      find \( -name \*.ttf -o -name \*.otf \) -execdir nerd-font-patcher --variable-width-glyphs --careful --complete --boxdrawing --no-progressbars {} \;
+    '';
+    installPhase = ''
+      cp -a . $out
+    '';
+  };
+}

system/home/waybar.nix

@@ -334,9 +334,6 @@
             padding: 2px 3px;
         }
 
-        #workspaces button {
-            padding: 2px 5px 2px 1px;
-        }
         #workspaces button.empty {
             color: ${scheme.base03};
         }
@@ -359,26 +356,17 @@
         }
         #network {
             color: ${scheme.base0A};
-            padding: 2px 6px 2px 1px;
         }
         #bluetooth {
             color: ${scheme.base0B};
         }
         #clock.calendar {
             color: ${scheme.base0C};
-            padding: 2px 3px 2px 3px;
         }
         #clock {
             color: ${scheme.base0D};
-            padding: 2px 1px 2px 2px;
         }
 
-        #backlight {
-            padding: 2px 3px 2px 3px;
-        }
-        #battery {
-            padding: 2px 2px 2px 4px;
-        }
         #battery.warning {
             color: ${scheme.base09};
         }
@@ -390,9 +378,6 @@
             color: ${scheme.base0B};
         }
 
-        #systemd-failed-units {
-            padding: 2px 4px 2px 1px;
-        }
         #systemd-failed-units.ok {
             color: ${scheme.base0B}
         }