Update custom-build-plan, cleanup Makefile and flake a bit

Flake lock file updates:

• Updated input 'nixpkgs':
    'github:nixos/nixpkgs/d691274a972b3165335d261cc4671335f5c67de9' (2024-03-14)
  → 'github:nixos/nixpkgs/e8057b67ebf307f01bdcc8fba94d94f75039d1f6' (2024-06-05)

Makefile

@@ -1,16 +1,9 @@
-.PHONY: all copy build update
-
-all: copy
-
-copy: build
-	nix copy --to ssh://pixelifytica@legion \
-		.#iosevka-custom-aile \
-		.#iosevka-custom-nerdfont
+.PHONY: build copy
 
 build:
-	nix build --no-link --max-jobs 1 \
-		.#iosevka-custom-aile \
+	nix build --max-jobs 1 .#iosevka-custom-aile	\
 		.#iosevka-custom-nerdfont
 
-update:
-	nix flake update --commit-lock-file
+copy: build
+	nix copy --to ssh://pixelifytica@legion ./result
+	rm ./result

custom-build-plan.nix

@@ -45,10 +45,10 @@
     lower-chi = "semi-chancery-straight";
     zero = "tall-slashed";
     one = "no-base";
-    two = "straight-neck";
-    three = "flat-top";
-    four = "semi-open";
-    five = "oblique-arched";
+    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";

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1710451336,
-        "narHash": "sha256-pP86Pcfu3BrAvRO7R64x7hs+GaQrjFes+mEPowCfkxY=",
+        "lastModified": 1717602782,
+        "narHash": "sha256-pL9jeus5QpX5R+9rsp3hhZ+uplVHscNJh8n8VpqscM0=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "d691274a972b3165335d261cc4671335f5c67de9",
+        "rev": "e8057b67ebf307f01bdcc8fba94d94f75039d1f6",
         "type": "github"
       },
       "original": {

flake.nix

@@ -21,8 +21,10 @@
       iosevka-custom-aile = "Iosevka Custom Aile";
       iosevka-custom-nerdfont = "IosevkaCustomNerdFont";
     };
-    packages.${system} = rec {
+    packages.${system} = let
       inherit (pkgs.callPackage ./default.nix {}) iosevka-custom-aile iosevka-custom-nerdfont;
+    in {
+      inherit iosevka-custom-aile iosevka-custom-nerdfont;
       default = iosevka-custom-nerdfont;
     };
   };