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41 lines
1.1 KiB
41 lines
1.1 KiB
#!/usr/bin/env bash
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# We want to catch any unexpected failure, and exit immediately
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set -e
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# Download helper for sftp, to be called from the download wrapper script
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#
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# Options:
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# -q Be quiet.
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# -o FILE Copy to local file FILE.
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# -f FILE Copy from remote file FILE.
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# -u URI Download file at URI.
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#
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# Environment:
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# SFTP : the sftp command to call
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quiet=
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while getopts "${BR_BACKEND_DL_GETOPTS}" OPT; do
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case "${OPT}" in
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q) quiet=-q;;
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o) output="${OPTARG}";;
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f) filename="${OPTARG}";;
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u) uri="${OPTARG}";;
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:) printf "option '%s' expects a mandatory argument\n" "${OPTARG}"; exit 1;;
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\?) printf "unknown option '%s'\n" "${OPTARG}" >&2; exit 1;;
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esac
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done
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shift $((OPTIND-1)) # Get rid of our options
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# Caller needs to single-quote its arguments to prevent them from
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# being expanded a second time (in case there are spaces in them)
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_sftp() {
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if [ -z "${quiet}" ]; then
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printf '%s ' ${SFTP} "${@}"; printf '\n'
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fi
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# Note: please keep command below aligned with what is printed above
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eval ${SFTP} "${@}"
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}
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_sftp ${quiet} "${@}" "'${uri}/${filename}'" "'${output}'"
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