From c9c3dd4950bcd623c0db83e6ce871e3ce7c3adc2 Mon Sep 17 00:00:00 2001
From: Matthew Bauer <mjbauer95@gmail.com>
Date: Tue, 29 Dec 2020 16:59:11 -0600
Subject: [PATCH] duti: set kernel to darwin18
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Unfortunately, we can’t do arm64 multi-arch with the current nixpkgs
sdk, which duti assumes if your kernel is darwin20 (Big Sur). To fix
this, we can just hardcode to darwin18 which should be compatible with
Nixpkgs Darwin.

Fixes #105751
---
 pkgs/os-specific/darwin/duti/default.nix | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/pkgs/os-specific/darwin/duti/default.nix b/pkgs/os-specific/darwin/duti/default.nix
index 8c523d8a220a..c56dd20243be 100644
--- a/pkgs/os-specific/darwin/duti/default.nix
+++ b/pkgs/os-specific/darwin/duti/default.nix
@@ -12,7 +12,14 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [autoreconfHook];
   buildInputs = [darwin.apple_sdk.frameworks.ApplicationServices];
-  configureFlags = ["--with-macosx-sdk=/homeless-shelter"];
+  configureFlags = [
+    "--with-macosx-sdk=/homeless-shelter"
+
+    # needed to prevent duti from trying to guess our sdk
+    # NOTE: this is different than stdenv.hostPlatform.config!
+    "--host=x86_64-apple-darwin18"
+  ];
+
   meta = with lib; {
     description = "A command-line tool to select default applications for document types and URL schemes on Mac OS X";
     longDescription = ''