bash function to update vimbundles with hg or git

gistfile1.sh

update-vimbundles() {
  pushd ~/.vimbundles >/dev/null;
  for filename in *; do
    pushd $filename >/dev/null;
    if [ -d .git ]; then
      echo "git pull on $filename";
      git pull;
      echo ""
    elif [ -d .hg ]; then
      echo "hg pull on $filename";
      hg pull
      echo ""
    fi
    popd >/dev/null;
  done;
  popd >/dev/null;
}