From 4f6256d08d6e907071e770315fd5c77293e590c2 Mon Sep 17 00:00:00 2001
From: Jack O'Sullivan <jackos1998@gmail.com>
Date: Thu, 6 Oct 2022 11:49:27 +0100
Subject: [PATCH] nixos/common: Make Nix daemon's TMPDIR /nix/tmp

---
 nixos/modules/common.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/nixos/modules/common.nix b/nixos/modules/common.nix
index 3b596d9..c732a11 100644
--- a/nixos/modules/common.nix
+++ b/nixos/modules/common.nix
@@ -184,7 +184,11 @@ in
       };
 
       systemd = {
+        tmpfiles.rules = [
+          "d /nix/tmp 0775 root nixbld 24h"
+        ];
         services = {
+          nix-daemon.environment.TMPDIR = "/nix/tmp";
           netdata = mkIf config.services.netdata.enable {
             # python.d plugin script does #!/usr/bin/env bash
             path = with pkgs; [ bash ];