From 4392e5a53cba868164811553e63a9fd30ec656b7 Mon Sep 17 00:00:00 2001
From: Randy Eckenrode <randy@largeandhighquality.com>
Date: Thu, 23 May 2024 23:05:45 -0400
Subject: [PATCH] overrideSDK: handle propagated lists of inputs

Improves `overrideSDK` compatibility with https://github.com/oxalica/rust-overlay.
---
 pkgs/stdenv/darwin/override-sdk.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/stdenv/darwin/override-sdk.nix b/pkgs/stdenv/darwin/override-sdk.nix
index 6de67537b499..7cdaf18bcc9d 100644
--- a/pkgs/stdenv/darwin/override-sdk.nix
+++ b/pkgs/stdenv/darwin/override-sdk.nix
@@ -287,6 +287,7 @@ let
 
         replacements = lib.pipe propagatedInputs [
           (lib.filter (pkg: pkg != null))
+          lib.flatten
           (map (dep: {
             name = builtins.unsafeDiscardStringContext dep;
             value = getReplacement newPackages dep;
@@ -311,6 +312,7 @@ let
     let
       mapPackageDeps = lib.flip lib.pipe [
         (lib.filter (pkg: pkg != null))
+        lib.flatten
         (map (pkg: {
           key = builtins.unsafeDiscardStringContext pkg;
           package = pkg;