From a77638d5c1fe7833118083d1b7e68ce03673e77a Mon Sep 17 00:00:00 2001
From: Nic Hartley <nxh9052@rit.edu>
Date: Thu, 21 Feb 2019 10:02:22 -0500
Subject: [PATCH] Remove bashism in favor of portable alternative (#220)

---
 emsdk_env.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/emsdk_env.sh b/emsdk_env.sh
index 6688288..fc96a18 100755
--- a/emsdk_env.sh
+++ b/emsdk_env.sh
@@ -19,10 +19,11 @@ SRC="$BASH_SOURCE"
 if [ "$SRC" = "" ]; then
   SRC="$0"
 fi
-pushd `dirname "$SRC"` > /dev/null
+CURDIR=$(pwd)
+cd $(dirname "$SRC")
 unset SRC
 
 ./emsdk construct_env "$@"
 . ./emsdk_set_env.sh
 
-popd > /dev/null
+cd $CURDIR