don't vendor the netbox package definition

(because there's a simpler but also more cursed way of doing it instead)

pkgs/default.nix

@@ -31,7 +31,19 @@ let
 
     uffd = callPackage ./uffd {};
 
-    netbox = callPackage ./netbox { };
+    # netbox takes a python3, then overrides stuff on it before using it.
+    # since overrides don't accumulate, this does both the override we want
+    # and the one the netbox package would otherwise do, then disables overrides
+    netbox = pkgs.netbox.override rec {
+      python3 = (pkgs.python39.override {
+        packageOverrides = self: super: {
+          django = super.django_4;
+          social-auth-core = super.social-auth-core.overrideAttrs ( old: {
+            patches = [ ./netbox/0001-add-uffd-oauth2-backend.patch ];
+          } );
+        };
+      }) // { override = ignored: python3; };
+    };
 
     inherit (unstable) vaultwarden vaultwarden-vault;
   };

pkgs/netbox/default.nix

@@ -1,99 +0,0 @@
-# note: this file has been copied out of nixpkgs 22.05, except for
-# that bit where we add the patch for uffd. There does not seem to
-# be a better way to do this, since successive overrides to the
-# python package set revert each other, and this file does such an
-# override.
-
-{ lib
-, pkgs
-, fetchFromGitHub
-, nixosTests
-, python3
-
-, plugins ? ps: [] }:
-
-let
-  py = python3.override {
-    packageOverrides = self: super: {
-      django = super.django_4;
-      social-auth-core = super.social-auth-core.overrideAttrs ( old: {
-        patches = [ ./0001-add-uffd-oauth2-backend.patch ];
-      } );
-    };
-  };
-
-
-  extraBuildInputs = plugins py.pkgs;
-in
-py.pkgs.buildPythonApplication rec {
-    pname = "netbox";
-    version = "3.2.1";
-
-    src = fetchFromGitHub {
-      owner = "netbox-community";
-      repo = pname;
-      rev = "v${version}";
-      sha256 = "sha256-iA0KIgaHQh0OsN/tXmTATIlvnf0aLRdjeQ6VkiR9VJ4=";
-    };
-
-    format = "other";
-
-    patches = pkgs.netbox.patches;
-
-    propagatedBuildInputs = with py.pkgs; [
-      django_4
-      django-cors-headers
-      django-debug-toolbar
-      django-filter
-      django-graphiql-debug-toolbar
-      django-mptt
-      django-pglocks
-      django-prometheus
-      django-redis
-      django-rq
-      django-tables2
-      django-taggit
-      django-timezone-field
-      djangorestframework
-      drf-yasg
-      swagger-spec-validator # from drf-yasg[validation]
-      graphene-django
-      jinja2
-      markdown
-      markdown-include
-      mkdocs-material
-      netaddr
-      pillow
-      psycopg2
-      pyyaml
-      social-auth-core
-      social-auth-app-django
-      svgwrite
-      tablib
-      jsonschema
-    ] ++ extraBuildInputs;
-
-    installPhase = ''
-      mkdir -p $out/opt/netbox
-      cp -r . $out/opt/netbox
-      chmod +x $out/opt/netbox/netbox/manage.py
-      makeWrapper $out/opt/netbox/netbox/manage.py $out/bin/netbox \
-        --prefix PYTHONPATH : "$PYTHONPATH"
-    '';
-
-    passthru = {
-      # PYTHONPATH of all dependencies used by the package
-      pythonPath = python3.pkgs.makePythonPath propagatedBuildInputs;
-
-      tests = {
-        inherit (nixosTests) netbox;
-      };
-    };
-
-    meta = with lib; {
-      homepage = "https://github.com/netbox-community/netbox";
-      description = "IP address management (IPAM) and data center infrastructure management (DCIM) tool";
-      license = licenses.asl20;
-      maintainers = with maintainers; [ n0emis raitobezarius ];
-    };
-  }