+export EDITOR VISUAL
+
+# Protect ourselves from common misconfiguration to export
+# CDPATH into the environment
+unset CDPATH
+
+case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
+ 1|2|true)
+ echo "* warning: Some tests will not work if GIT_TRACE" \
+ "is set as to trace on STDERR ! *"
+ echo "* warning: Please set GIT_TRACE to something" \
+ "other than 1, 2 or true ! *"
+ ;;
+esac