fetch.subr

if [ ! "$_CBSD_FETCH_SUBR" ]; then
_CBSD_FETCH_SUBR=1
###

# Wrapper for fetch and dpv
# fetchme -u URL -o /tmp/out
# use optional TF variable for output ( legacy from repo )
# require: cbsdsh as shell
#    include: tools for humanize, DIALOG env for dpv
fetchme()
{
	local _DPV="/usr/bin/dpv"
	local _res

	local _out="${TF}"
	local _quiet=0
	local _url=
	local _TONULL
	local _filename
	local _fromrepo

	# global variable. Need for most dialog-based action
	[ -n "${quiet}" ] && _quiet="${quiet}"

	local _FETCH_CMD="/usr/bin/fetch"

	while getopts "u:q:o:" opt; do
		case "$opt" in
			u) _url="${OPTARG}" ;;
			q) _quiet="${OPTARG}" ;;
			o) _out="${OPTARG}" ;;
		esac
		shift $(($OPTIND - 1))
	done

	[ -z "${_url}" ] && echo "Empty URL" && return 1

	local _sizebyte=
	local _humansize=
	# We use size output for non-quiet and for dpv(1) mode
	[ ${_quiet} -eq 0 ] && _sizebyte=$( ${_FETCH_CMD} -qs ${_url} 2>/dev/null| /usr/bin/awk '{printf $1}' )

	# test for human
	if [ -n "${_sizebyte}" ]; then
		if ! is_number ${_sizebyte}; then
			if conv2human "${_sizebyte}"; then
				local _humansize="${convval}"
			else
				unset _sizebyte
			fi
		else
			unset _sizebyte
		fi
	fi

	[ ! -f "${_DPV}" -o -z "${DIALOG}" ] && unset _DPV

	if [ ${_quiet} -eq 1 ]; then
		unset _DPV
		_FETCH_CMD="${_FETCH_CMD} -q"
	fi

	_filename=$( /usr/bin/basename ${_url} 2>&1 )
	[ -z "${_filename}" ] && _filename="Resource"
	_fromrepo=$( echo ${_url} | /usr/bin/cut -d "/" -f 3 )

	if [ -n "${_DPV}" ]; then
		${_FETCH_CMD} -q -o '-' ${_url}| ${_DPV} -b "${product}" -p "Fetching from ${_fromrepo}:" -t " CBSD Repository "  -x "/bin/cat > ${_out}" ${_sizebyte}:${_filename}
		# check for size, cause "fetch | dpv " is always true
		if [ -s "${_out}" ]; then
			_res=0
		else
			/bin/rm -f ${_out}
			_res=1
		fi
	else
		[ -n "${_humansize}" ] && ${ECHO} "${MAGENTA}Retrieve ${LCYAN}${_filename}${MAGENTA} from ${LYELLOW}${_fromrepo}${MAGENTA}, size: ${GREEN}${_humansize}${NORMAL}"
		${_FETCH_CMD} -o ${_out} ${_url} ${_TONULL}
		_res=$?
	fi

	return ${_res}
}

###
fi