From 9d2bd32b7970fceafd2b20cb97f676932a89c54a Mon Sep 17 00:00:00 2001
From: Orivej Desh <orivej@gmx.fr>
Date: Wed, 22 Nov 2017 09:04:41 +0000
Subject: [PATCH] tzdata: avoid symlink loop "./posix" -> ".."

Fixes #31560
---
 pkgs/data/misc/tzdata/default.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/data/misc/tzdata/default.nix b/pkgs/data/misc/tzdata/default.nix
index ef2bae8dbaf9..1b4d967af553 100644
--- a/pkgs/data/misc/tzdata/default.nix
+++ b/pkgs/data/misc/tzdata/default.nix
@@ -33,7 +33,8 @@ stdenv.mkDerivation rec {
   postInstall =
     ''
       rm $out/share/zoneinfo-posix
-      ln -s . $out/share/zoneinfo/posix
+      mkdir $out/share/zoneinfo/posix
+      ( cd $out/share/zoneinfo/posix; ln -s ../* .; rm posix )
       mv $out/share/zoneinfo-leaps $out/share/zoneinfo/right
 
       mkdir -p "$dev/include"