From 757c411eae1d75d2e9e4e003de1635716f65437d Mon Sep 17 00:00:00 2001
From: Mark Nipper <nipsy@bitgnome.net>
Date: Tue, 16 Apr 2024 23:44:15 -0700
Subject: Workaround annoying TMPDIR handling

---
 hosts/common/core/nix.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'hosts')

diff --git a/hosts/common/core/nix.nix b/hosts/common/core/nix.nix
index 587bac6..dfcbd5c 100644
--- a/hosts/common/core/nix.nix
+++ b/hosts/common/core/nix.nix
@@ -1,5 +1,14 @@
 { inputs, lib, ... }:
 {
+
+  # work around very annoying TMPDIR handling
+  # see: https://github.com/NixOS/nix/issues/7154
+  boot.tmp.useTmpfs = true;
+  systemd.services."nix-daemon".environment.TMPDIR = "/nix/tmp";
+  systemd.tmpfiles.rules = [
+    "d /nix/tmp 770 root nixbld"
+  ];
+
   nix = {
     settings = {
       trusted-users = [ "root" "@wheel" ];
-- 
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