1 files changed, 6 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index fc03436617..3a6c6ea525 100644
--- a/Makefile
+++ b/Makefile
@@ -327,6 +327,12 @@ SCRIPT_SH =
 SCRIPT_LIB =
 TEST_PROGRAMS_NEED_X =
 
+# Having this variable in your environment would break pipelines because
+# you cause "cd" to echo its destination to stdout.  It can also take
+# scripts to unexpected places.  If you like CDPATH, define it for your
+# interactive shell sessions without exporting it.
+unexport CDPATH
+
 SCRIPT_SH += git-am.sh
 SCRIPT_SH += git-bisect.sh
 SCRIPT_SH += git-difftool--helper.sh