From 1e2a9d2d29216f3512e6a02905b4f88f11bf5d0e Mon Sep 17 00:00:00 2001
From: Terje Larsen <terlar@gmail.com>
Date: Fri, 3 Jan 2025 11:22:01 +0100
Subject: [PATCH] format: ignore system and user git config

This can cause failures if the user has configuration that is
incompatible with the version of git pinned in the format script.

Potentially it could have other undesired effects as well.

Fix #5736
---
 format | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/format b/format
index 4f46c7b9..2eb16d9a 100755
--- a/format
+++ b/format
@@ -1,6 +1,11 @@
 #! /usr/bin/env nix-shell
 #! nix-shell -I nixpkgs=https://github.com/NixOS/nixpkgs/archive/6616de389ed55fba6eeba60377fc04732d5a207c.tar.gz -i bash -p git gnugrep gnused findutils nixfmt
 
+# Avoid being affected by system and user git config.
+export GIT_CONFIG_NOSYSTEM=1
+export HOME=
+export XDG_CONFIG_HOME=
+
 nixfmt_args=()
 files=()