From 81d7539b3afb1ceb75fdc65508e3e4ef20a1c5b1 Mon Sep 17 00:00:00 2001
From: Seth Flynn <getchoo@tuta.io>
Date: Sat, 1 Feb 2025 07:52:30 -0500
Subject: nixos/nix: use systemd-tmpfiles for inputs in $NIX_PATH

---
 modules/nixos/defaults/nix.nix | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'modules/nixos')

diff --git a/modules/nixos/defaults/nix.nix b/modules/nixos/defaults/nix.nix
index e55faf4..064b0d9 100644
--- a/modules/nixos/defaults/nix.nix
+++ b/modules/nixos/defaults/nix.nix
@@ -1,4 +1,4 @@
-{ lib, ... }:
+{ lib, inputs, ... }:
 {
   nix = {
     channel.enable = lib.mkDefault false;
@@ -9,4 +9,16 @@
   };
 
   nixpkgs.config.allowAliases = false;
+
+  # Link inputs for use in `$NIX_PATH`
+  systemd.tmpfiles.settings = {
+    nix-inputs = lib.mapAttrs' (
+      name: input:
+      lib.nameValuePair "/etc/nix/inputs/${name}" {
+        L = {
+          argument = input.outPath;
+        };
+      }
+    ) inputs;
+  };
 }
-- 
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