--- a/tests/test-diff-upgrade.t Mon Nov 07 03:14:54 2011 +0100
+++ b/tests/test-diff-upgrade.t Mon Nov 07 03:14:54 2011 +0100
@@ -1,3 +1,4 @@
+ $ "$TESTDIR/hghave" execbit || exit 80
$ echo "[extensions]" >> $HGRCPATH
$ echo "autodiff=$TESTDIR/autodiff.py" >> $HGRCPATH