From 8ac1130cc2f0d717fa49adf18465ecf5613d295c Mon Sep 17 00:00:00 2001
From: Daiderd Jordan <daiderd@gmail.com>
Date: Sat, 9 Feb 2019 20:32:12 +0100
Subject: [PATCH] nix-daemon: add variable to disable fork safety

Since macOS 10.14 this has become an error, causing problems if the
nix-daemon loads nix during substitution (this is a forked process).

Workaround for #2523.
---
 misc/launchd/org.nixos.nix-daemon.plist.in | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/misc/launchd/org.nixos.nix-daemon.plist.in b/misc/launchd/org.nixos.nix-daemon.plist.in
index 549619a57..92ed12fa5 100644
--- a/misc/launchd/org.nixos.nix-daemon.plist.in
+++ b/misc/launchd/org.nixos.nix-daemon.plist.in
@@ -2,6 +2,11 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
   <dict>
+    <key>EnvironmentVariables</key>
+    <dict>
+      <key>OBJC_DISABLE_INITIALIZE_FORK_SAFETY</key>
+      <string>YES</string>
+    </dict>
     <key>Label</key>
     <string>org.nixos.nix-daemon</string>
     <key>KeepAlive</key>