From 9b0f8b7a79c8f783cdab17bdd2f00de7aaa96c92 Mon Sep 17 00:00:00 2001
From: Daniel Flanagan <daniel@lyte.dev>
Date: Tue, 18 Feb 2025 11:28:52 -0600
Subject: [PATCH] feat: allow dirty revisions

---
 lib/modules/nixos/default-module.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/modules/nixos/default-module.nix b/lib/modules/nixos/default-module.nix
index dd6be6e..8e9b5a8 100644
--- a/lib/modules/nixos/default-module.nix
+++ b/lib/modules/nixos/default-module.nix
@@ -84,7 +84,9 @@
   };
 
   config = {
-    system.configurationRevision = lib.mkIf (self ? rev) self.rev;
+    system.configurationRevision = toString (
+      self.shortRev or self.dirtyShortRev or self.lastModified or "unknown"
+    );
     environment.etc = {
       "lytedev/rev".text = config.system.configurationRevision;
     };