kumquat-buildroot/support/download/sftp

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#!/usr/bin/env bash
# We want to catch any unexpected failure, and exit immediately
set -e
# Download helper for sftp, 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:
# SFTP : the sftp 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 $((OPTIND-1)) # Get rid of our options
# Caller needs to single-quote its arguments to prevent them from
# being expanded a second time (in case there are spaces in them)
_sftp() {
if [ -z "${quiet}" ]; then
printf '%s ' ${SFTP} "${@}"; printf '\n'
fi
# Note: please keep command below aligned with what is printed above
eval ${SFTP} "${@}"
}
_sftp ${quiet} "${@}" "'${uri}/${filename}'" "'${output}'"