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#
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# set +o errexit -o noglob -o nounset is assumed.
Lucio Andrés Illanes Albornoz (arab, vxp) ec19f0
#
Lucio Andrés Illanes Albornoz (arab, vxp) ec19f0
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rtlp_fetch_url_git() {
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	local _tgtdir="${1}" _subdir="${2}" _url="${3}" _branch="${4}"	\
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		_oldpwd="";
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	(set -o errexit -o noglob -o nounset;
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	rtl_flock_acquire 4 || exit "${?}";
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	trap "rm -f \"${BUILD_DLCACHEDIR}/${_subdir%%[/]}.fetching\"" EXIT;
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	if [ -e "${BUILD_DLCACHEDIR}/${_subdir}" ]; then
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		(rtl_fileop cd "${BUILD_DLCACHEDIR}/${_subdir}" &&\
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			git pull ${DEFAULT_GIT_ARGS} origin "${_branch:-main}");
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		(rtl_fileop cd "${BUILD_DLCACHEDIR}/${_subdir}" &&\
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			git submodule update);
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	else
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		git clone ${DEFAULT_GIT_ARGS} "${_url}" "${BUILD_DLCACHEDIR}/${_subdir}";
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		if [ -n "${_branch}" ]; then
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			(rtl_fileop cd "${BUILD_DLCACHEDIR}/${_subdir}" &&\
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				git checkout "${_branch}");
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		fi;
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		(rtl_fileop cd "${BUILD_DLCACHEDIR}/${_subdir}" &&\
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			git submodule update --init);
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	fi;
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	_oldpwd="${PWD}"; rtl_fileop cd "${PKG_BASE_DIR}";
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	rtl_fileop rm "${_tgtdir}/${_subdir}";
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	rtl_fileop cp "${BUILD_DLCACHEDIR}/${_subdir}" "${_tgtdir}";
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	rtl_fileop cd "${_oldpwd}";) 4<>"${BUILD_DLCACHEDIR}/${_subdir%%[/]}.fetching";
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	if [ "${?}" -eq 0 ]; then
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		cd "$(pwd)";
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	else
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		return 1;
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	fi;
Lucio Andrés Illanes Albornoz (arab, vxp) ec19f0
};
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rtl_fetch_urls_git() {
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	local _tgtdir="" _url_spec="" _subdir="" _url="" _git_branch="";
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	_tgtdir="${1}"; shift;
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	if [ "${ARG_FETCH_FORCE}" = "offline" ]; then
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		return 0;
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	fi;
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	for _url_spec in "${@}"; do
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		_subdir="${_url_spec%=*}";
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		_url="${_url_spec#*=}";
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		_url="${_url%@*}";
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		if [ "${_url_spec#*@}" != "${_url_spec}" ]; then
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			_git_branch=${_url_spec#*@};
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		fi;
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		rtlp_fetch_url_git "${_tgtdir}" "${_subdir}"	\
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			"${_url}" "${_git_branch}";
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	done;
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};
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# N.B.	URLs ($1) may contain `?' or '&' characters.
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rtl_fetch_url_wget() {
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	local _url="${1}" _sha256sum_src="${2}" _target_fname="${3}" _target_fname_full="" RTL_CHECK_DIGEST_DIGEST="";
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	if [ "${ARG_FETCH_FORCE}" = "offline" ]; then
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		return 0;
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	else	if [ -z "${_target_fname}" ]; then
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			_target_fname="$(rtl_basename "${_url}")";
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		fi;
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		_target_fname_full="${BUILD_DLCACHEDIR}/${_target_fname}";
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		(set -o errexit -o noglob -o nounset;
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		rtl_flock_acquire 4 || exit "${?}";
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		trap "_rc=\"\${?}\"; rm -f \"${_target_fname_full}.fetching\"; exit \"\${_rc}\";" EXIT;
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		if [ -z "${_sha256sum_src}" ]\
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		|| ! rtl_check_digest_file "${_target_fname_full}" "${_sha256sum_src}" "${_target_fname_full}.fetched"; then
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			wget ${DEFAULT_WGET_ARGS} -O "${_target_fname_full}" "${_url}";
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			if [ -n "${_sha256sum_src}" ]\
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			&& ! rtl_check_digest "${_target_fname_full}" "${_sha256sum_src}"; then
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				rtl_log_msg fatalexit "Error: hash mismatch for URL \`%s' (downloaded file: %s, from build variables: %s.)"\
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						"${_url}" "${RTL_CHECK_DIGEST_DIGEST}" "${_sha256sum_src}";
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			else
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				printf "%s" "${RTL_CHECK_DIGEST_DIGEST}" > "${_target_fname_full}.fetched";
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			fi;
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		fi;) 4<>"${_target_fname_full}.fetching";
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	fi;
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};
Lucio Andrés Illanes Albornoz (arab, vxp) ec19f0
Lucio Andrés Illanes Albornoz (arab, vxp) ec19f0
# vim:filetype=sh