From ee2e86d796b40fe7535c0d6dd2a94bb3a8b45b9d Mon Sep 17 00:00:00 2001
From: linuswck <linuswck@m-labs.hk>
Date: Thu, 21 Dec 2023 15:09:20 +0800
Subject: [PATCH] flake: Create TMP dir and use it for $HOME PATH

---
 flake.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/flake.nix b/flake.nix
index aee8993..cb393b8 100644
--- a/flake.nix
+++ b/flake.nix
@@ -19,7 +19,8 @@
 
             buildPhase = ''
               # kicad-cli requires the use of $HOME
-              export HOME=/tmp
+              TMP_DIR="$(pwd)/$(mktemp -d tmp.XXXX)"
+              export HOME=$TMP_DIR
 
               if [ "${variant}" != "copper_plate" ]; then
                 SCH=kirdy_LD_adapter_${variant}.kicad_sch
@@ -56,6 +57,7 @@
                 export KICAD7_3DMODEL_DIR=${pkgs.kicad.libraries.packages3d}/share/kicad/3dmodels
                 kicad-cli pcb export step $PCB --subst-models --force -o $PREFIX.step
               fi
+              rm -r $TMP_DIR
             '';
 
             installPhase = ''