update wait-download.sh

HEIMDALL_FOLDER_PATH=$1

HEIMDALL_PATH=""

if [ ! -z $HEIMDALL_FOLDER_PATH ]

then

HEIMDALL_PATH=${HEIMDALL_FOLDER_PATH}"heimdall"

else

  HEIMDALL_PATH=heimdall

fi

while [ "`$HEIMDALL_PATH detect > /dev/null 2>&1; echo $?`" = 1 ]

echo "Heimdall path: $HEIMDALL_PATH"

while [ "$($HEIMDALL_PATH detect > /dev/null 2>&1; echo $?)" = 1 ]

do

  sleep 1s

done

sleep 5s

echo "Download mode detected"

 No newline at end of file