upd

custom/unlisted-fonts/flake.nix

@@ -1,31 +1,27 @@
-{
-  description = "A flake that gives access to custom fonts.";
+{ stdenvNoCC, lib }:
 
-  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
-  inputs.flake-utils.url = "github:numtide/flake-utils";
+stdenvNoCC.mkDerivation {
+  pname = "monolisa-font";
+  version = "1.0.0";
 
-  outputs = { self, nixpkgs, flake-utils }:
-    flake-utils.lib.eachDefaultSystem (system: let
-      pkgs = nixpkgs.legacyPackages.${system};
-    in {
-      packages.monolisa-font = pkgs.stdenvNoCC.mkDerivation {
-        pname = "monolisa-font";
-        version = "0.1";
-        src = builtins.toPath ./fonts/Monolisa;  # Correct path to Monolisa
-        dontUnpack = true;
-        buildPhase = "true";  # No build required, since it's just fonts
+  src = ./Monolisa;
 
-        installPhase = ''
-          echo "Source directory: $src"  # Debugging line
-          mkdir -p $out/share/fonts/truetype
-          cp -R $src/* $out/share/fonts/truetype/  # Added trailing slash to destination
-        '';
+  dontUnpack = true;
+  buildPhase = "true";
 
-        meta = {
-          description = "Monolisa font.";
-        };
-      };
+  installPhase = ''
+    runHook preInstall
 
-      defaultPackage = self.packages.${system}.monolisa-font;
-    });
+    install -dm755 $out/share/fonts/truetype
+    cp -v $src/*.ttf $out/share/fonts/truetype/
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "Monolisa font";
+    homepage = "https://www.monolisa.dev/";
+    license = licenses.unfreeRedistributable;  # because Monolisa is not FOSS
+    platforms = platforms.all;
+  };
 }