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#
# set -o noglob is assumed.
#
exp_rtl_fetch_url_git() {
local _tgtdir="${1}" _subdir="${2}" _url="${3}" _branch="${4}" \
_oldpwd="";
(set -o errexit -o noglob; trap "rm -f \"${BUILD_DLCACHEDIR}/${_subdir%%[/]}.fetching\"" EXIT;
while true; do
if flock -E 622 -w 3600 4; then
break;
elif [ "${?}" -eq 622 ]; then
continue;
else
exit "${?}";
fi;
done;
if [ -e "${BUILD_DLCACHEDIR}/${_subdir}" ]; then
(ex_rtl_fileop cd "${BUILD_DLCACHEDIR}/${_subdir}" &&\
git pull ${DEFAULT_GIT_ARGS} origin "${_branch:-main}");
(ex_rtl_fileop cd "${BUILD_DLCACHEDIR}/${_subdir}" &&\
git submodule update);
else
git clone ${DEFAULT_GIT_ARGS} "${_url}" "${BUILD_DLCACHEDIR}/${_subdir}";
if [ -n "${_branch}" ]; then
(ex_rtl_fileop cd "${BUILD_DLCACHEDIR}/${_subdir}" &&\
git checkout "${_branch}");
fi;
(ex_rtl_fileop cd "${BUILD_DLCACHEDIR}/${_subdir}" &&\
git submodule update --init);
fi;
_oldpwd="${PWD}"; ex_rtl_fileop cd "${PKG_BASE_DIR}";
ex_rtl_fileop rm "${_tgtdir}/${_subdir}";
ex_rtl_fileop cp "${BUILD_DLCACHEDIR}/${_subdir}" "${_tgtdir}";
ex_rtl_fileop cd "${_oldpwd}";) 4<>"${BUILD_DLCACHEDIR}/${_subdir%%[/]}.fetching";
if [ "${?}" -eq 0 ]; then
cd "$(pwd)";
else
return "${?}";
fi;
};
ex_rtl_fetch_urls_git() {
local _tgtdir="" _url_spec="" _subdir="" _url="" _git_branch="";
_tgtdir="${1}"; shift;
if [ "${ARG_FETCH_FORCE}" = "offline" ]; then
return 0;
fi;
for _url_spec in "${@}"; do
_subdir="${_url_spec%=*}";
_url="${_url_spec#*=}";
_url="${_url%@*}";
if [ "${_url_spec#*@}" != "${_url_spec}" ]; then
_git_branch=${_url_spec#*@};
fi;
exp_rtl_fetch_url_git "${_tgtdir}" "${_subdir}" \
"${_url}" "${_git_branch}";
done;
};
# N.B. URLs ($1) may contain `?' or '&' characters.
ex_rtl_fetch_url_wget() {
local _url="${1}" _sha256sum_src="${2}" _target_fname="${3}" _sha256sum_dst="";
if [ "${ARG_FETCH_FORCE}" = "offline" ]; then
return 0;
elif [ -z "${_target_fname}" ]; then
_target_fname="$(ex_rtl_basename "${_url}")";
fi;
_url_dst="${BUILD_DLCACHEDIR}/${_target_fname}";
(set -o errexit -o noglob; trap "_rc=\"\${?}\" ;rm -f \"${_url_dst}.fetching\"; exit \"\${_rc}\";" EXIT;
while true; do
if flock -E 622 -w 3600 4; then
break;
elif [ "${?}" -eq 622 ]; then
continue;
else
exit "${?}";
fi;
done;
if [ ! -e "${_url_dst}.fetched" ]; then
wget ${DEFAULT_WGET_ARGS} -O "${_url_dst}" "${_url}";
if [ -n "${_sha256sum_src}" ]; then
set -- $(sha256sum "${_url_dst}");
if [ "${_sha256sum_dst:=${1}}" != "${_sha256sum_src}" ]; then
ex_rtl_log_msg failexit "Error: hash mismatch for URL \`${_url}' (downloaded file: ${_sha256sum_dst}, from build variables: ${_sha256sum_src}.)";
fi;
fi;
ex_rtl_fileop touch "${_url_dst}.fetched";
fi;) 4<>"${_url_dst}.fetching";
};
# vim:filetype=sh
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