pass correct nixpkgs, add repl

flake.nix

@@ -97,9 +97,9 @@
             patches = p;
           };
         # Get nixosSystem func from patched nixpkgs
-        nixosSystem = n: p: import ((nixpkgs-patched n p) + "/nixos/lib/eval-config.nix");
+        nixosSystem = n: import (n + "/nixos/lib/eval-config.nix");
         # Make host config
-        mkHost = name: nixosSystem:
+        mkHost = name: nixosSystem: self-nixpkgs:
           nixosSystem {
             system = builtins.readFile (./machines + "/${name}/system");
             modules = builtins.attrValues self.customModules ++ [
@@ -108,7 +108,7 @@
               { nixpkgs.config.allowUnfree = true; }
               inputs.sops-nix.nixosModules.sops
             ];
-            specialArgs = { inherit self; inherit inputs; secrets = ./secrets; };
+            specialArgs = { inherit self inputs self-nixpkgs; secrets = ./secrets; };
           };
 
         patchesPath = map (x: ./patches + "/${x}");
@@ -152,8 +152,10 @@
         };
 
         flake = let
-          unstable = nixosSystem inputs.nixpkgs unstable-patches;
-          stable = nixosSystem inputs.nixpkgs-stable stable-patches;
+          unstable-nixpkgs = nixpkgs-patched inputs.nixpkgs unstable-patches;
+          stable-nixpkgs = nixpkgs-patched inputs.nixpkgs-stable stable-patches;
+          unstable-system = nixosSystem unstable-nixpkgs;
+          stable-system = nixosSystem stable-nixpkgs;
 
           shared-patches = patchesPath [ ];
           unstable-patches = shared-patches ++ patchesPath [
@@ -173,15 +175,14 @@
           customProfiles = builtins.listToAttrs (findModules ./profiles);
           customRoles = import ./roles;
           secretsDir = ./secrets;
-          nixpkgs-unstable-patched = nixpkgs-patched inputs.nixpkgs unstable-patches;
+          inherit unstable-nixpkgs;
 
           nixosConfigurations = withSystem "x86_64-linux" ({ ... }:
             {
-              AMD-Workstation = mkHost "AMD-Workstation" unstable;
-              Dell-Laptop =     mkHost "Dell-Laptop" unstable;
-              Home-Hypervisor = mkHost "Home-Hypervisor" unstable;
-              NixOS-VPS =       mkHost "NixOS-VPS" stable;
-              NixOS-VM =        mkHost "NixOS-VM" unstable;
+              AMD-Workstation = mkHost "AMD-Workstation" unstable-system unstable-nixpkgs;
+              Dell-Laptop     = mkHost "Dell-Laptop"     unstable-system unstable-nixpkgs;
+              Home-Hypervisor = mkHost "Home-Hypervisor" unstable-system unstable-nixpkgs;
+              NixOS-VPS       = mkHost "NixOS-VPS"       stable-system   stable-nixpkgs;
             }
           );
 

profiles/nix/default.nix

@@ -1,10 +1,10 @@
-{ config, lib, pkgs, inputs, ... }: {
+{ config, lib, pkgs, inputs, self-nixpkgs, ... }: {
   nix = {
     package = pkgs.lix;
-    nixPath = lib.mkForce [ "self=/etc/self/compat" "nixpkgs=/etc/nixpkgs" ];
+    nixPath = [ "self=/etc/self" "nixpkgs=/etc/nixpkgs" ];
 
+    registry.nixpkgs.flake = self-nixpkgs;
     registry.self.flake = inputs.self;
-    registry.nixpkgs.flake = inputs.nixpkgs;
 
     optimise.automatic = lib.mkDefault true;
 
@@ -18,7 +18,6 @@
       # Prevent Nix from fetching the registry every time
       flake-registry = ${inputs.flake-registry}/flake-registry.json
     '';
-
     settings = {
       auto-optimise-store = false;
       require-sigs = true;
@@ -32,6 +31,7 @@
         "https://numtide.cachix.org"
         "https://devenv.cachix.org"
         "https://ezkea.cachix.org"
+        "https://nyx.chaotic.cx"
       ];
       trusted-public-keys = [
         "cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY="
@@ -43,14 +43,30 @@
         "numtide.cachix.org-1:2ps1kLBUWjxIneOy1Ik6cQjb41X0iXVXeHigGmycPPE="
         "devenv.cachix.org-1:w1cLUi8dv3hnoSPGAuibQv+f9TZLr6cv/Hm9XgU50cw="
         "ezkea.cachix.org-1:ioBmUbJTZIKsHmWWXPe1FSFbeVe+afhfgqgTSNd34eI="
+        "nyx.chaotic.cx-1:HfnXSw4pj95iI/n17rIDy40agHj12WfF+Gqk6SonIT8="
+        "chaotic-nyx.cachix.org-1:HfnXSw4pj95iI/n17rIDy40agHj12WfF+Gqk6SonIT8="
       ];
       trusted-users = [ "root" config.mainuser "deploy" "@wheel" ];
       use-xdg-base-directories = true;
     };
   };
 
-  environment.etc.nixpkgs.source = inputs.nixpkgs;
+  environment.etc.nixpkgs.source = self-nixpkgs;
   environment.etc.self.source = inputs.self;
 
+  environment.systemPackages = let
+  repl-home = "/home/${config.mainuser}/nixos-config/repl.nix";
+    repl = pkgs.writeShellScriptBin "repl" ''
+      # source /etc/set-environment
+      if [ -f "${repl-home}" ]; then
+        echo "use home flake"
+        nix repl "${repl-home}" "$@"
+      else
+        echo "use system flake"
+        nix repl "/etc/self/repl.nix" "$@"
+      fi
+    '';
+  in [ repl ];
+
   persist.state.homeDirectories = [ ".local/share/nix" ];
 }

repl.nix

@@ -0,0 +1,10 @@
+let
+  flake = builtins.getFlake (toString ./.);
+  nixpkgs = import <nixpkgs> { };
+in
+{ inherit flake; }
+// flake
+// builtins
+// nixpkgs
+// nixpkgs.lib
+// flake.nixosConfigurations