fix: Use version from pyproject.toml

Author: johannwagner

flake.nix

@@ -8,9 +8,11 @@
     {
       # Nixpkgs overlay providing the application
       overlay = nixpkgs.lib.composeManyExtensions [
-        (final: prev: {
+        (final: prev: let 
+          pyprojectFile = builtins.fromTOML (builtins.readFile ./pyproject.toml);
+        in {
           # The application
-          cosmo = final.callPackage ./package.nix {};
+          cosmo = final.callPackage ./package.nix { version = pyprojectFile.tool.poetry.version; };
         })
       ];
     } // (flake-utils.lib.eachDefaultSystem (system:

package.nix

@@ -1,8 +1,9 @@
-{ python3Packages, ... }:
+{ python3Packages, version, ... }:
 
 python3Packages.buildPythonApplication rec {
+  inherit version;
+  
   pname = "cosmo";
-  version = "0.10.1";
   pyproject = true;
 
   src = ./.;