From 4157beb068d7d4b5dc98e07b7af5836bfb0606d1 Mon Sep 17 00:00:00 2001
From: Peder Bergebakken Sundt <pbsds@hotmail.com>
Date: Thu, 24 Apr 2025 19:37:20 +0200
Subject: [PATCH] overlays.withInvalidateFetcherByDrvHash

---
 overlays.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/overlays.nix b/overlays.nix
index 96eca69..825e3b9 100755
--- a/overlays.nix
+++ b/overlays.nix
@@ -82,6 +82,16 @@ let
     }
   );
 
+  # usage: nix-build ./dev.nix -A <package>.src.invalidated
+  overlays.withInvalidateFetcherByDrvHash = mkDerivationOverlay (
+    final: prev: prevStdenv: finalAttrs: prevAttrs: {
+      passthru = {
+        # invalidated = prevStdenv.mkDerivation prevAttrs;
+        invalidated = prev.invalidateFetcherByDrvHash prevStdenv.mkDerivation prevAttrs;
+      } // prevAttrs.passthru or { };
+    }
+  );
+
   # usage: nix-build ./dev.nix -A <package>.shellcheck
   overlays.withShellCheck = mkDerivationOverlay (
     final: prev: prevStdenv: finalAttrs: prevAttrs: