From 3e4583ee9a7d8cd4cdca96a8b332b0f859abeff8 Mon Sep 17 00:00:00 2001
From: Daiderd Jordan <daiderd@gmail.com>
Date: Thu, 15 Dec 2016 14:37:31 +0100
Subject: [PATCH] change default nix.nixPath to work for single user installs

---
 modules/examples/lnl.nix | 24 +++++++++++++-----------
 modules/nix/default.nix  |  5 +++--
 2 files changed, 16 insertions(+), 13 deletions(-)

diff --git a/modules/examples/lnl.nix b/modules/examples/lnl.nix
index b3b604bf..3a7f4908 100644
--- a/modules/examples/lnl.nix
+++ b/modules/examples/lnl.nix
@@ -58,13 +58,9 @@
   programs.zsh.enable = true;
 
   programs.zsh.shellInit = ''
-    export NIX_PATH=nixpkgs=$HOME/.nix-defexpr/nixpkgs:darwin=$HOME/.nix-defexpr/darwin:darwin-config=$HOME/.nixpkgs/darwin-config.nix:$HOME/.nix-defexpr/channels_root
-
-    # Set up secure multi-user builds: non-root users build through the
-    # Nix daemon.
-    if [ "$USER" != root -a ! -w /nix/var/nix/db ]; then
-        export NIX_REMOTE=daemon
-    fi
+    cfg=$HOME/.nixpkgs/darwin-config.nix
+    darwin=$HOME/.nix-defexpr/darwin
+    pkgs=$HOME/.nix-defexpr/nixpkgs
   '';
 
   programs.zsh.loginShellInit = ''
@@ -98,10 +94,6 @@
           ;;
       esac
     }
-
-    cfg=$HOME/.nixpkgs/darwin-config.nix
-    darwin=$HOME/.nix-defexpr/darwin
-    pkgs=$HOME/.nix-defexpr/nixpkgs
   '';
 
   programs.zsh.interactiveShellInit = ''
@@ -125,6 +117,16 @@
   environment.shellAliases.gl = "git log --graph --oneline";
   environment.shellAliases.gd = "git diff --minimal --patch";
 
+  nix.distributedBuilds = true;
+
+  nix.nixPath =
+    [ # Use local nixpkgs checkout instead of channels.
+      "darwin=$HOME/.nix-defexpr/darwin"
+      "darwin-config=$HOME/.nixpkgs/darwin-configuration.nix"
+      "nixpkgs=$HOME/.nix-defexpr/nixpkgs"
+      "/nix/var/nix/profiles/per-user/root/channels"
+    ];
+
   nixpkgs.config.allowUnfree = true;
 
   nixpkgs.config.packageOverrides = self: {
diff --git a/modules/nix/default.nix b/modules/nix/default.nix
index 4268669a..8e7ba02d 100644
--- a/modules/nix/default.nix
+++ b/modules/nix/default.nix
@@ -284,10 +284,11 @@ in
       nixPath = mkOption {
         type = types.listOf types.str;
         default =
-          [ "nixpkgs=/nix/var/nix/profiles/per-user/root/channels/nixpkgs"
-            "/nix/var/nix/profiles/per-user/root/channels"
+          [ # Incldue default paths for <darwin> and <darwin-config>.
             "darwin=$HOME/.nix-defexpr/darwin"
             "darwin-config=$HOME/.nixpkgs/darwin-configuration.nix"
+            "nixpkgs=$HOME/.nix-defexpr/channels/nixpkgs"
+            "$HOME/.nix-defexpr/channels"
           ];
         description = ''
           The default Nix expression search path, used by the Nix