51 lines
1.4 KiB
Plaintext
51 lines
1.4 KiB
Plaintext
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#!/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 wget, 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 Save into file FILE.
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# -f FILENAME The filename of the tarball to get at URL
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# -u URL Download file at URL.
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# -e ENCODE Tell wget to urlencode the filename passed to it
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#
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# Environment:
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# WGET : the wget 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) url="${OPTARG}";;
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e) encode="-e";;
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:) printf "option '%s' expects a mandatory argument\n" "${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 $((OPTIND-1)) # Get rid of our options
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# Caller needs to single-quote its arguments to prevent them from
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# being expanded a second time (in case there are spaces in them)
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_wget() {
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if [ -z "${quiet}" ]; then
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printf '%s ' ${WGET} "${@}"; printf '\n'
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fi
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_plain_wget "$@"
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}
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# Note: please keep command below aligned with what is printed above
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_plain_wget() {
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eval ${WGET} "${@}"
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}
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# Replace every '?' with '%3F' in the filename; only for the PRIMARY and BACKUP
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# mirror
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[ -n "${encode}" ] && filename=${filename//\?/%3F}
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_wget ${quiet} "${@}" -O "'${output}'" "'${url}/${filename}'"
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