From 44fc4a5e8b45e321b8485608bd715c1ade55ae7d Mon Sep 17 00:00:00 2001
From: Randy Eckenrode <randy@largeandhighquality.com>
Date: Sun, 5 Apr 2026 19:46:47 -0400
Subject: [PATCH] darwin.copyfile: migrate to use darwin.sourceRelease

---
 pkgs/os-specific/darwin/by-name/co/copyfile/package.nix | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/pkgs/os-specific/darwin/by-name/co/copyfile/package.nix b/pkgs/os-specific/darwin/by-name/co/copyfile/package.nix
index 413e6532b3a6..f76e5beaa766 100644
--- a/pkgs/os-specific/darwin/by-name/co/copyfile/package.nix
+++ b/pkgs/os-specific/darwin/by-name/co/copyfile/package.nix
@@ -1,12 +1,11 @@
 {
-  lib,
-  apple-sdk,
   mkAppleDerivation,
+  sourceRelease,
   stdenvNoCC,
 }:
 
 let
-  xnu = apple-sdk.sourceRelease "xnu";
+  xnu = sourceRelease "xnu";
 
   privateHeaders = stdenvNoCC.mkDerivation {
     name = "copyfile-deps-private-headers";