From 6f024f6e6517d052221e6e1d3383ec326f04aeae Mon Sep 17 00:00:00 2001
From: Albert Safin <xzfcpw@gmail.com>
Date: Thu, 19 Sep 2019 09:43:34 +0000
Subject: [PATCH] setup.sh: avoid subshells: type -t

---
 pkgs/stdenv/generic/setup.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/stdenv/generic/setup.sh b/pkgs/stdenv/generic/setup.sh
index 326a60676a26..60067a4051de 100644
--- a/pkgs/stdenv/generic/setup.sh
+++ b/pkgs/stdenv/generic/setup.sh
@@ -98,7 +98,7 @@ _callImplicitHook() {
 # hooks exits the hook, not the caller. Also will only pass args if
 # command can take them
 _eval() {
-    if [ "$(type -t "$1")" = function ]; then
+    if declare -F "$1" > /dev/null 2>&1; then
         set +u
         "$@" # including args
     else