upd

custom/unlisted-fonts/flake.nix

@@ -4,33 +4,28 @@
   inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
   inputs.flake-utils.url = "github:numtide/flake-utils";
 
-  outputs = {
-    self,
-    nixpkgs,
-    flake-utils,
-  }:
-    flake-utils.lib.eachDefaultSystem (
-      system: let
-        pkgs = nixpkgs.legacyPackages.${system};
-      in {
-        defaultPackage = pkgs.symlinkJoin {
-          name = "myfonts-0.1";
-          paths = builtins.attrValues self.packages.${system};
+  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;  # Check this path
+        dontUnpack = true;
+        buildPhase = "true";  # No build required, since it's just fonts
+
+        installPhase = ''
+          echo "Source directory: $src"  # Debugging line
+          mkdir -p $out/share/fonts/truetype
+          cp -R $src/* $out/share/fonts/truetype
+        '';
+
+        meta = {
+          description = "Monolisa font.";
         };
+      };
 
-        packages.monolisa = pkgs.stdenvNoCC.mkDerivation {
-          name = "monolisa-font";
-          # src = builtins.toPath ./fonts/Monolisa;
-          src = "/home/biscuit/Nixos/custom/unlisted-fonts/fonts/Monolisa";
-          dontUnpack = true;
-
-          installPhase = ''
-            mkdir -p $out/share/fonts/truetype
-            find $src -type f -name "*.ttf" -exec cp {} $out/share/fonts/truetype/ \;
-          '';
-
-          meta = {description = "Monolisa font.";};
-        };
-      }
-    );
+      defaultPackage = self.packages.${system}.monolisa-font;
+    });
 }

custom/unlisted-fonts/result

@@ -0,0 +1 @@
+/nix/store/d5772qva7s7c253axhjjd4qssp08gfsz-monolisa-font-0.1