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- #!/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
- #
- # Options:
- # -q Be quiet.
- # -o FILE Copy to local file FILE.
- # -f FILE Copy from remote file FILE.
- # -u URI Download file at URI.
- #
- # Environment:
- # SCP : the scp command to call
- quiet=
- while getopts "${BR_BACKEND_DL_GETOPTS}" OPT; do
- case "${OPT}" in
- q) quiet=-q;;
- o) output="${OPTARG}";;
- f) filename="${OPTARG}";;
- u) uri="${OPTARG}";;
- :) printf "option '%s' expects a mandatory argument\n" "${OPTARG}"; exit 1;;
- \?) printf "unknown option '%s'\n" "${OPTARG}" >&2; exit 1;;
- esac
- done
- shift $((OPTIND-1)) # Get rid of our options
- # Caller needs to single-quote its arguments to prevent them from
- # being expanded a second time (in case there are spaces in them)
- _scp() {
- if [ -z "${quiet}" ]; then
- printf '%s ' ${SCP} "${@}"; printf '\n'
- fi
- _plain_scp "$@"
- }
- # Note: please keep command below aligned with what is printed above
- _plain_scp() {
- eval ${SCP} "${@}"
- }
- # Remove any scheme prefix
- uri="${uri##scp://}"
- _scp ${quiet} "${@}" "'${uri}/${filename}'" "'${output}'"
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