trigger_binder.sh

#!/usr/bin/env bash
# from https://github.com/scikit-hep/pyhf/blob/master/binder/trigger_binder.sh

function trigger_binder() {
    local URL="${1}"

    curl -L --connect-timeout 20 --max-time 900 "${URL}"
    curl_return=$?

    # Return code 28 is when the --max-time is reached
    if [ "${curl_return}" -eq 0 ] || [ "${curl_return}" -eq 28 ]; then
        if [[ "${curl_return}" -eq 28 ]]; then
            printf "\nBinder build started.\nCheck back soon.\n"
        fi
    else
        return "${curl_return}"
    fi

    return 0
}

function main() {
    # 1: the Binder build API URL to curl
    trigger_binder $1
}

main "$@" || exit 1