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Blame subr/pkg_fetch_wget.subr

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#
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# set -o errexit -o noglob are assumed.
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#
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# N.B.	URLs ($1) may contain `?' or '&' characters.
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pkgp_fetch_wget() {
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	local _url="${1}" _sha256sum_src="${2}";
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	if [ -z "${3}" ]; then
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		_url_dst="${DLCACHEDIR}/$(ex_basename "${_url}")";
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	else
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		_url_dst="${DLCACHEDIR}/${3}";
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	fi;
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	if [ "${ARG_OFFLINE:-0}" -eq 1 ]\
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	|| [ -e "${_url_dst}.fetched" ]; then
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		return 0;
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	else
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		wget ${DEFAULT_WGET_ARGS} -c -O "${_url_dst}" "${_url}";
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	fi;
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	if [ -n "${_sha256sum_src}" ]; then
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		set -- $(openssl dgst -sha256 "${_url_dst}"); shift $((${#}-1));
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		if [ "${_sha256sum_dst:=${1}}" != "${_sha256sum_src}" ]; then
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			if [ "${ARG_IGNORE_SHA256SUMS:-0}" -eq 0 ]; then
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				ex_log_msg failexit "Error: hash mismatch for URL \`${_url}' (is: ${_sha256sum_dst}, should be: ${_sha256sum_src}.)";
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			else
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				ex_log_msg vnfo "Warning: hash mismatch for URL \`${_url}' (is: ${_sha256sum_dst}, should be: ${_sha256sum_src}.)";
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			fi;
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		fi;
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	fi;
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	touch "${_url_dst}.fetched";
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};
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pkg_fetch_wget() {
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	if [ -n "${1}" ]; then
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		pkgp_fetch_wget "${1}" "${2}";
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	else
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		if [ -n "${PKG_URL}" ]; then
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			pkgp_fetch_wget "${PKG_URL}" "${PKG_SHA256SUM}" "${PKG_FNAME}";
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		fi;
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	fi;
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};
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# vim:filetype=sh