util._hgexecutable: default to 'hg' This should make hooks work even if util.set_hgexecutable is not called (e.g. hgweb.cgi). Fixes issue625.

#!/bin/sh

mkdir t
cd t
hg init
echo "invalid" > .hg/hgrc
hg status 2>&1 |sed -e "s:/.*\(/t/.*\):...\1:"