From 9606e22fb913eee30b2b7154db5bbe1230aac9ab Mon Sep 17 00:00:00 2001
From: Sean Buckley <sean.bck@gmail.com>
Date: Thu, 3 Jun 2021 23:47:35 -0400
Subject: [PATCH] nixos-check-reboot script

---
 modules/cli.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/modules/cli.nix b/modules/cli.nix
index ad27401..42d9075 100644
--- a/modules/cli.nix
+++ b/modules/cli.nix
@@ -54,6 +54,13 @@ in
       exec nix shell 'nixpkgs/nixos-unstable#python3.pkgs.pip' --command pip install --user -UI pip setuptools
     '')
 
+    (writeShellScriptBin "nixos-check-reboot" ''
+      set -e
+      booted="$(readlink /run/booted-system/{initrd,kernel,kernel-modules})"
+      built="$(readlink /nix/var/nix/profiles/system/{initrd,kernel,kernel-modules})"
+      [ "$booted" = "$built" ]
+    '')
+
     (writeScriptBin "zfsram" ''
       #!${pkgs.python3}/bin/python
       for ln in open('/proc/spl/kstat/zfs/arcstats').readlines():