Checks a url every 30 seconds and sleeps until 200 response

wait_for_200_response.sh

#!/usr/bin/env bash
set +x
url=${1:-${url}}
#url=https://qm-staging.quantimo.do/ionic/Modo/www/scripts/combined-head-libraries-6fcc81560c.js
echo "CHECKING $url"
timeout=${2:-'3'}
#            ^in seconds
flag=${3:-'--status'}

#    curl options, e.g. -L to follow redirects
arg4=${4:-''}
arg5=${5:-''}
arg6=${6:-''}
arg7=${7:-''}
curl_options="$arg4 $arg5 $arg6 $arg7"

sleepTime=30

while :
do
    if [[ ${url} =~ "staging" ]];
    then
        response_code=`echo $(curl --write-out %{http_code} --silent -S --connect-timeout $timeout \
                      --no-keepalive -H 'authority: qm-staging.quantimo.do' -H 'pragma: no-cache' -H 'cache-control: no-cache' -H 'upgrade-insecure-requests: 1' -H 'user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36' -H 'accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8' -H 'accept-encoding: gzip, deflate, br' -H 'accept-language: en-US,en;q=0.9' -H 'cookie: _ga=GA1.2.1173720470.1541540783; _gid=GA1.2.1963482554.1541540783; __cfduid=d4f4b397902e846e58d3b6447af48667d1541541114;' -H 'x-firelogger: 1.3' --compressed --output /dev/null  ${url})`
    else
        response_code=`echo $(curl --write-out %{http_code} --silent -S --connect-timeout $timeout \
                      --no-keepalive -H 'authority: quantimodo.quantimo.do' -H 'pragma: no-cache' -H 'cache-control: no-cache' -H 'upgrade-insecure-requests: 1' -H 'user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36' -H 'accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8' -H 'accept-encoding: gzip, deflate, br' -H 'accept-language: en-US,en;q=0.9' -H 'cookie: _ga=GA1.2.1173720470.1541540783; _gid=GA1.2.1963482554.1541540783; __cfduid=d4f4b397902e846e58d3b6447af48667d1541541114;' -H 'x-firelogger: 1.3' --compressed --output /dev/null  ${url})`
    fi
    now=$(date +"%T")

    if [[ ${response_code} -eq 200 ]]
        then
            echo "$response_code response from $url at $now."
            break;
        else
            echo "$response_code response from $url at $now. Sleeping $sleepTime seconds and checking again..."
            sleep ${sleepTime}
    fi
done