find_dvcs_root: new function to find dvcs root dir more safely This compares the discovered root dir lengths in order to give the most specific repository path possible.

fpath=(~/.zfun $fpath)
autoload -U ~/.zfun/*(:t)

function af_reloadfuncs()
{
  local f
  f=(~/.zfun/*(.))
  unfunction $f:t 2> /dev/null
  autoload -U $f:t
}