From 397c0e222f5bd834669046ef584cd77ef13e9156 Mon Sep 17 00:00:00 2001
From: Charlotte Van Petegem <charlotte@vanpetegem.me>
Date: Wed, 23 Sep 2020 12:17:44 +0200
Subject: [PATCH] Set NIX_PATH to updateable value

---
 flake.nix | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/flake.nix b/flake.nix
index 0a1f5ad5..7d256f76 100644
--- a/flake.nix
+++ b/flake.nix
@@ -21,6 +21,14 @@
         modules = [
           home-manager.nixosModules.home-manager
           (./. + "/machines/${hostname}")
+          ({ pkgs, ... }: {
+            environment.etc."nixpkgs".source = (pkgs.runCommandNoCC "nixpkgs" { } ''
+              cp -r ${nixpkgs} $out
+              chmod 700 $out
+              echo "${nixpkgs.rev}" > $out/.version-suffix
+            '');
+            nix.nixPath = [ "nixpkgs=/etc/nixpkgs" ];
+          })
         ];
       };
     in