#!/usr/bin/env bash if ! which qemu-system-arm; then	echo 'need qemu arm for tests'fi  if ![[ test -e ubuntu-qemu.raw ]]; then	if which wget; then		getter=wget	elif which curl; then		getter=curl	else		echo 'need a downloader '			fi	echo 'downloading qemu image'	$getter http://dl.dropbox.com/u/15800618/ubuntu-arm.bz2	# may blow some people's hds	bunzip2 ubuntu-arm.bz2 >ubuntu-qemu.rawfi