#!/usr/bin/env bash

# We want to catch any unexpected failure, and exit immediately
set -e

# Download helper for scp, to be called from the download wrapper script
#
# Call it as:
#   .../scp [-q] OUT_FILE SRC_URL
#
# Environment:
#   SCP       : the scp command to call

verbose=
while getopts :q OPT; do
    case "${OPT}" in
    q)  verbose=-q;;
    \?) printf "unknown option '%s'\n" "${OPTARG}" >&2; exit 1;;
    esac
done
shift $((OPTIND-1))

output="${1}"
url="${2}"

# Caller needs to single-quote its arguments to prevent them from
# being expanded a second time (in case there are spaces in them)
_scp() {
    eval ${SCP} "${@}"
}

_scp ${verbose} "'${url}'" "'${output}'"