1#!/usr/bin/env bash 2 3# We want to catch any unexpected failure, and exit immediately 4set -e 5 6# Download helper for cp, to be called from the download wrapper script 7# 8# Options: 9# -q Be quiet. 10# -o FILE Copy to file FILE. 11# -f FILE Copy from basename file FILE. 12# -u DIR Copy from FILE in DIR. 13# 14# Environment: 15# LOCALFILES: the cp command to call 16 17# 'cp' usually does not print anything on its stdout, whereas the 18# other download backends, even if not verbose, at least print some 19# progress information. 20# Make 'cp' verbose by default, so it behaves a bit like the others. 21verbose=-v 22 23while getopts "${BR_BACKEND_DL_GETOPTS}" OPT; do 24 case "${OPT}" in 25 q) verbose=;; 26 o) output="${OPTARG}";; 27 f) file="${OPTARG}";; 28 u) dir="${OPTARG}";; 29 :) printf "option '%s' expects a mandatory argument\n" "${OPTARG}"; exit 1;; 30 \?) printf "unknown option '%s'\n" "${OPTARG}" >&2; exit 1;; 31 esac 32done 33 34shift $((OPTIND-1)) # Get rid of our options 35 36# Caller needs to single-quote its arguments to prevent them from 37# being expanded a second time (in case there are spaces in them) 38_localfiles() { 39 if [ -n "${verbose}" ]; then 40 printf '%s ' ${LOCALFILES} "${@}"; printf '\n' 41 fi 42 _plain_localfiles "$@" 43} 44# Note: please keep command below aligned with what is printed above 45_plain_localfiles() { 46 eval ${LOCALFILES} "${@}" 47} 48 49_localfiles ${verbose} "'${dir##file://}/${file}'" "'${output}'" 50