makeDerivation: Define a version of override to require a prev version

Setting a previously unset `version` attribute is hardly an override, and more likely just a feature of constructing a package in steps.
2025-05-28 18:09:45 +02:00
parent 754c8e4b29
commit 5833d2d46f
1 changed files with 1 additions and 0 deletions
@@ -95,6 +95,7 @@ let
                thisOverlay = overlay final prev;
                warnForBadVersionOverride = (
                  thisOverlay ? version
+                  && prev ? version
                  && !(thisOverlay ? src)
                  && !(thisOverlay.__intentionallyOverridingVersion or false)
                );