flake: Use nixos-23.05 for erpnext input

The override did not work and the resulting python penv was
broken (e.g. missing the bench, erpnext, frappe packages).

flake.lock

@@ -160,15 +160,17 @@
           "agenix"
         ],
         "devshell": "devshell_2",
-        "nixpkgs": "nixpkgs",
+        "nixpkgs": [
+          "nixos"
+        ],
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1689638083,
-        "narHash": "sha256-ZOrCGKlC8QM1AYSU15QnUAfNuDbmCDYpE1u8pxsLDoo=",
+        "lastModified": 1689640230,
+        "narHash": "sha256-jJLw5Ppk05SxkHy+/aVRsD1gyShNaRbXIoms+yG2e5g=",
         "ref": "main",
-        "rev": "9c8a36de8b9c1a379528ed35365f69fdca14677c",
-        "revCount": 31,
+        "rev": "5519e0d6fecc3ea76d51b45d5ca6cb28324fc31c",
+        "revCount": 32,
         "type": "git",
         "url": "https://git.pub.solar/axeman/erpnext-nix"
       },
@@ -332,22 +334,6 @@
         "type": "github"
       }
     },
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1689534811,
-        "narHash": "sha256-jnSUdzD/414d94plCyNlvTJJtiTogTep6t7ZgIKIHiE=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "6cee3b5893090b0f5f0a06b4cf42ca4e60e5d222",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
     "nixpkgs-unstable": {
       "locked": {
         "lastModified": 1672791794,

flake.nix

@@ -40,6 +40,7 @@
     nvfetcher.inputs.flake-compat.follows = "flake-compat";
 
     erpnext.url = "git+https://git.pub.solar/axeman/erpnext-nix?ref=main";
+    erpnext.inputs.nixpkgs.follows = "nixos";
     erpnext.inputs.agenix.follows = "agenix";
   };
 
@@ -77,12 +78,7 @@
             })
           ];
         };
-        latest = {
-          overlays = [
-            erpnext.overlays.default
-            erpnext.overlays.pythonOverlay
-          ];
-        };
+        latest = {};
       };
 
       lib = import ./lib {lib = digga.lib // nixos.lib;};
@@ -95,6 +91,8 @@
           });
         })
         agenix.overlays.default
+        erpnext.overlays.default
+        erpnext.overlays.pythonOverlay
         nvfetcher.overlays.default
 
         (import ./pkgs)

overlays/overrides.nix

@@ -4,9 +4,6 @@ channels: final: prev: {
   inherit
     (channels.latest)
     nixd
-    erpnext-app
-    frappe-app
-    frappe-erpnext-assets
     ;
 
   haskellPackages =
@@ -24,10 +21,4 @@ channels: final: prev: {
     });
 
   vimPlugins = prev.vimPlugins // {inherit (channels.latest.vimPlugins) nvim-lspconfig;};
-
-  python3 = prev.python3.override {
-    packageOverrides = pyfinal: pyprev: {
-      inherit (channels.latest.python3.pkgs) bench erpnext frappe;
-    };
-  };
 }