From ae4659538d38fbdf58ac47031b93a2e8f2a73a58 Mon Sep 17 00:00:00 2001
From: Yamashita Yuu <yamashita@geishatokyo.com>
Date: Mon, 11 Aug 2014 10:40:56 +0900
Subject: [PATCH] Unset `PIP_REQUIRE_VENV` during build (fixes #216)

---
 plugins/python-build/bin/python-build | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/plugins/python-build/bin/python-build b/plugins/python-build/bin/python-build
index cdd9de70..cf95e35d 100755
--- a/plugins/python-build/bin/python-build
+++ b/plugins/python-build/bin/python-build
@@ -1623,6 +1623,10 @@ if ! command -v curl 1>/dev/null 2>&1 && [[ "$(wget --version 2>/dev/null || tru
   exit 1
 fi
 
+# Unset `PIP_REQUIRE_VENV` during build (#216)
+unset PIP_REQUIRE_VENV
+unset PIP_REQUIRE_VIRTUALENV
+
 # pydistutils.cfg may corrupt install location of Python libraries (#35, #111)
 if [ -e "$HOME/.pydistutils.cfg" ]; then
   { colorize 1 "WARNING"