Set system.configurationRevision

davidtwco · Aug 9, 2020 · 8b04dda · 8b04dda
1 parent 766b476
commit 8b04dda
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/flake.nix b/flake.nix
@@ -82,6 +82,10 @@
                 extraOptions = "experimental-features = nix-command flakes";
               };
             })
+            ({ lib, ... }: {
+              # Set the system configuration revision.
+              system.configurationRevision = lib.mkIf (self ? rev) self.rev;
+            })
             ({ inputs, ... }: {
               # Re-expose self and nixpkgs as flakes.
               nix.registry = {