Add 'filter' attribute and external filter driver definition.

diff --git a/t/test-lib.sh b/t/test-lib.sh
old mode 100755 (executable)
new mode 100644 (file)
index c075474..f2c6bd3
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -36,6 +36,10 @@ export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
 export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
 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" \