nix: set NIX_PATH in the same way as the nix registry

2 files changed, 14 insertions, 9 deletions

diff --git a/common/default.nix b/common/default.nix
index 7b53735..60385d3 100644
--- a/common/default.nix
+++ b/common/default.nix
@@ -1,6 +1,6 @@
 inputs:
 
-{ config, lib, ... }:
+{ config, ... }:
 
 {
   imports = [
@@ -27,8 +27,5 @@ inputs:
     })
   ];
 
-  nix.registry = with lib;
-    mapAttrs (name: value: { flake = value; }) inputs;
-
   services.nscd.enableNsncd = true;
 }
diff --git a/common/nix.nix b/common/nix.nix
index e31bcbf..0e58908 100644
--- a/common/nix.nix
+++ b/common/nix.nix
@@ -1,8 +1,8 @@
-inputs:
-
-{ pkgs, ... }:
-
-{
+inputs: {
+  config,
+  lib,
+  ...
+}: {
   nix = {
     gc = {
       automatic = true;
@@ -14,5 +14,13 @@ inputs:
       auto-optimise-store = true;
       extra-experimental-features = ["nix-command" "flakes"];
     };
+
+    registry = lib.mapAttrs (_name: value: {flake = value;}) inputs;
+    nixPath =
+      lib.mapAttrsToList
+      (name: value: "${name}=${value.flake}")
+      (lib.filterAttrs
+        (name: value: name != "self" && value.flake != null)
+        config.nix.registry);
   };
 }