From 91b03c3e0fed6b8996d43a1d6e8d662d18914d34 Mon Sep 17 00:00:00 2001
From: Joachim Breitner <mail@joachim-breitner.de>
Date: Tue, 8 Jun 2021 08:58:47 +0200
Subject: [PATCH] =?UTF-8?q?nix-shell:=20Don=E2=80=99t=20set=20XDG=5FDATA?=
 =?UTF-8?q?=5FDIRS?=
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it gets set by some dependencies of the shell, but confused interactive
tools, so let’s unset this here.
---
 default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/default.nix b/default.nix
index 4ce376d9257..69c6cc06493 100644
--- a/default.nix
+++ b/default.nix
@@ -640,7 +640,11 @@ rec {
       ));
 
     shellHook = llvmEnv + ''
+      # Include our wrappers in the PATH
       export PATH="${toString ./bin}:$PATH"
+      # some cleanup of environment variables otherwise set by nix-shell
+      # that would be confusing in interactive use
+      unset XDG_DATA_DIRS
     '';
     ESM=nixpkgs.sources.esm;
     TOMMATHSRC = nixpkgs.sources.libtommath;