From 2af017fe5867c2c7ae7bf85d1af3225bb048cd68 Mon Sep 17 00:00:00 2001
From: Issam Maghni <concatime@users.noreply.github.com>
Date: Sun, 1 Jan 2023 20:23:20 -0500
Subject: [PATCH] Use nix builtins for `hostId`

---
 docs/Getting Started/NixOS/index.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/Getting Started/NixOS/index.rst b/docs/Getting Started/NixOS/index.rst
index 9529601..d11e7a8 100644
--- a/docs/Getting Started/NixOS/index.rst	
+++ b/docs/Getting Started/NixOS/index.rst	
@@ -42,7 +42,7 @@ Live image ships with ZFS support by default.
     { config, pkgs, ... }:
 
     { boot.supportedFilesystems = [ "zfs" ];
-      networking.hostId = "$(head -c 8 /etc/machine-id)";
+      networking.hostId = (builtins.substring 0 8 (builtins.readFile "/etc/machine-id"));
     }
     EOF