feat(coloryou): make build pure

nixos/overlays/pkgs/coloryou/default.nix

@@ -1,48 +1,20 @@
-# https://blog.hackeriet.no/packaging-python-script-for-nixos/
+{ python3Packages }:
 
-# Below, we can supply defaults for the function arguments to make the script
-# runnable with `nix-build` without having to supply arguments manually.
-# Also, this lets me build with Python 3.11 by default, but makes it easy
-# to change the python version for customised builds (e.g. testing).
-{ nixpkgs ? import <nixpkgs> {}, pythonPkgs ? nixpkgs.pkgs.python311Packages }:
+python3Packages.buildPythonPackage rec {
+  pname = "coloryou";
+  version = "0.0.1";
 
-let
-  # This takes all Nix packages into this scope
-  inherit (nixpkgs) pkgs;
-  # This takes all Python packages from the selected version into this scope.
-  inherit pythonPkgs;
+  src = ./.;
 
-  # Inject dependencies into the build function
-  f = { buildPythonPackage, utils, material-color-utilities }:
-    buildPythonPackage rec {
-      pname = "coloryou";
-      version = "0.2.0";
+  propagatedBuildInputs = with python3Packages; [ utils material-color-utilities ];
 
-      # If you have your sources locally, you can specify a path
-      src = ./.;
-
-      # Pull source from a Git server.
-      #src = builtins.fetchGit {
-        #url = "git://github.com/stigok/ruterstop.git";
-        #ref = "master";
-        #rev = "a9a4cd60e609ed3471b4b8fac8958d009053260d";
-      #};
-
-      # Specify runtime dependencies for the package
-      propagatedBuildInputs = [ utils material-color-utilities ];
-
-      postInstall = ''
-        mv -v $out/bin/coloryou.py $out/bin/coloryou
-      '';
-
-      meta = {
-        description = ''
-          Get Material You colors from an image.
-        '';
-      };
-    };
-
-  drv = pythonPkgs.callPackage f {};
-in
-  if pkgs.lib.inNixShell then drv.env else drv
+  postInstall = ''
+    mv -v $out/bin/coloryou.py $out/bin/coloryou
+  '';
 
+  meta = {
+    description = ''
+      Get Material You colors from an image.
+    '';
+  };
+}