From 7173466eeefde5473b24b8c6c2e26d3f32c3d1e5 Mon Sep 17 00:00:00 2001
From: Marc Abramowitz <marc@marc-abramowitz.com>
Date: Tue, 8 Sep 2015 08:29:52 -0700
Subject: [PATCH] Unset CDPATH to prevent weird problems

but allow suppressing this behavior in case someone is testing something
that relies on CDPATH.

Fixes: https://github.com/sstephenson/bats/issues/104
---
 libexec/bats | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libexec/bats b/libexec/bats
index 71f392f7..eb97f8df 100755
--- a/libexec/bats
+++ b/libexec/bats
@@ -1,5 +1,11 @@
 #!/usr/bin/env bash
 set -e
+if [ ! -z "$CDPATH" -a -z "$BATS_KEEP_CDPATH" ]; then
+  echo "Unsetting CDPATH to prevent problems like https://github.com/sstephenson/bats/issues/104 ..."
+  echo "To suppress this behavior, set BATS_KEEP_CDPATH"
+  echo "You may want to consider not exporting CDPATH"
+  unset CDPATH
+fi
 
 version() {
   echo "Bats 0.4.0"