n=0
while :
do
   docker login $1 --username client --password $2 \
    && break  # substitute your command here
   n=$((n+1))
   echo "retrying login..$n"
   sleep 1
done

sh $(dirname $0)/initialise-image.sh $1 drone/drone:1.9.0 \
&& sh $(dirname $0)/initialise-image.sh $1 drone/drone-runner-docker:1.5.0