From 2c5f9e6ea388328f72f4057610aa599ce07699ea Mon Sep 17 00:00:00 2001
From: Jairo Llopis <jairo@moduon.team>
Date: Wed, 18 Oct 2023 11:29:40 +0100
Subject: [PATCH] python3.buildEnv: support extending NIX_PYTHONPATH

Allow devshells to extend `$NIX_PYTHONPATH`, to effectively support nested virtualenvs.

@moduon MT-1075

python3.buildEnv: beautify makeWrapper

Co-authored-by: Sandro <sandro.jaeckel@gmail.com>
---
 pkgs/development/interpreters/python/wrapper.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/interpreters/python/wrapper.nix b/pkgs/development/interpreters/python/wrapper.nix
index 55e86a8b9c369..ed766f473b1aa 100644
--- a/pkgs/development/interpreters/python/wrapper.nix
+++ b/pkgs/development/interpreters/python/wrapper.nix
@@ -58,7 +58,7 @@ let
                   makeWrapper "$path/bin/$prg" "$out/bin/$prg" \
                     --set NIX_PYTHONPREFIX "$out" \
                     --set NIX_PYTHONEXECUTABLE ${pythonExecutable} \
-                    --set NIX_PYTHONPATH ${pythonPath} \
+                    --prefix NIX_PYTHONPATH : ${pythonPath} \
                     ${lib.optionalString (!permitUserSite) ''--set PYTHONNOUSERSITE "true"''} \
                     ${lib.concatStringsSep " " makeWrapperArgs}
                 fi