#!/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 cp, 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 file FILE.
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# -f FILE Copy from basename file FILE.
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# -u DIR Copy from FILE in DIR.
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#
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# Environment:
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# LOCALFILES: the cp command to call
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# 'cp' usually does not print anything on its stdout, whereas the
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# other download backends, even if not verbose, at least print some
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# progress information.
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# Make 'cp' verbose by default, so it behaves a bit like the others.
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verbose=-v
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while getopts "${BR_BACKEND_DL_GETOPTS}" OPT; do
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case "${OPT}" in
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q) verbose=;;
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o) output="${OPTARG}";;
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f) file="${OPTARG}";;
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u) dir="${OPTARG}";;
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:) printf "option '%s' expects a mandatory argument\n" "${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 $((OPTIND-1)) # Get rid of our options
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# Caller needs to single-quote its arguments to prevent them from
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# being expanded a second time (in case there are spaces in them)
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_localfiles() {
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if [ -n "${verbose}" ]; then
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printf '%s ' ${LOCALFILES} "${@}"; printf '\n'
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fi
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_plain_localfiles "$@"
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}
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# Note: please keep command below aligned with what is printed above
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_plain_localfiles() {
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eval ${LOCALFILES} "${@}"
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}
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_localfiles ${verbose} "'${dir##file://}/${file}'" "'${output}'"
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