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#!/usr/bin/env bash
# We want to catch any unexpected failure, and exit immediately
set -e
# Download helper for cvs, to be called from the download wrapper script
#
# Options:
# -q Be quiet
# -o FILE Generate archive in FILE.
# -u URI Checkout from repository at URI.
# -c REV Use revision REV.
# -N RAWNAME Use rawname (aka module name) RAWNAME.
# -n NAME Use basename NAME.
#
# Environment:
# CVS : the cvs command to call
verbose=
while getopts "${BR_BACKEND_DL_GETOPTS}" OPT; do
case "${OPT}" in
q) verbose=-Q;;
o) output="${OPTARG}";;
u) uri="${OPTARG}";;
c) rev="${OPTARG}";;
N) rawname="${OPTARG}";;
n) basename="${OPTARG}";;
:) printf "option '%s' expects a mandatory argument\n" "${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)
_cvs() {
eval ${CVS} "${@}"
}
if [[ ${rev} =~ ^[0-9] ]]; then
# Date, because a tag or a branch cannot begin with a number
select="-D"
else
# Tag or branch
select="-r"
fi
# The absence of an initial : on ${uri} means access method undefined
if [[ ! "${uri}" =~ ^: ]]; then
# defaults to anonymous pserver
uri=":pserver:anonymous@${uri}"
fi
export TZ=UTC
_cvs ${verbose} -z3 -d"'${uri}'" \
co "${@}" -d "'${basename}'" ${select} "'${rev}'" -P "'${rawname}'"
tar czf "${output}" "${basename}"
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