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#
# set +o errexit -o noglob -o nounset is assumed.
#
rtlp_fetch_url_git() {
local _cache_dname="${1}" _git_branch="${2}" _mirrors="${3}" _pkg_name="${4}" _subdir="${5}" _tgtdir="${6}" _url="${7}"\
_clonefl=0 _oldpwd="" _url_base="";
(set -o errexit -o noglob -o nounset;
rtl_flock_acquire 4 || exit "${?}";
trap "rm -f \"${_cache_dname}/${_subdir%%[/]}.fetching\"" EXIT;
if [ -e "${_cache_dname}/${_subdir}" ]; then
(rtl_fileop cd "${_cache_dname}/${_subdir}" &&\
git pull ${DEFAULT_GIT_ARGS} origin "${_git_branch:-main}");
(rtl_fileop cd "${_cache_dname}/${_subdir}" &&\
git submodule update);
else
for _url_base in ${_url%/*} ${_mirrors}; do
if git clone ${DEFAULT_GIT_ARGS} "${_url_base}/${_pkg_name}/${_url##*/}" "${_cache_dname}/${_subdir}"; then
_clonefl=1; break;
fi;
done;
if [ "${_clonefl}" -eq 0 ]; then
return 1;
else if [ -n "${_git_branch}" ]; then
(rtl_fileop cd "${_cache_dname}/${_subdir}" &&\
git checkout "${_git_branch}");
fi;
(rtl_fileop cd "${_cache_dname}/${_subdir}" &&\
git submodule update --init);
fi;
fi;
if [ "${_cache_dname}" != "${_tgtdir}" ]; then
_oldpwd="${PWD}"; rtl_fileop cd "${_tgtdir}";
rtl_fileop rm "${_tgtdir}/${_subdir}";
rtl_fileop cp "${_cache_dname}/${_subdir}" "${_tgtdir}";
rtl_fileop cd "${_oldpwd}";
fi) 4<>"${_cache_dname}/${_subdir%%[/]}.fetching";
if [ "${?}" -eq 0 ]; then
cd "$(pwd)";
else
return 1;
fi;
};
rtl_fetch_urls_git() {
local _cache_dname="${1}" _tgtdir="${2}" _pkg_name="${3}" _mirrors="${4}" _git_branch="" _subdir="" _url="" _url_spec=""; shift 4;
for _url_spec in "${@}"; do
_subdir="${_url_spec%=*}"; _url="${_url_spec#*=}"; _url="${_url%@*}";
if [ "${_url_spec#*@}" != "${_url_spec}" ]; then
_git_branch=${_url_spec#*@};
fi;
if ! rtlp_fetch_url_git "${_cache_dname}" "${_git_branch}" "${_mirrors}" "${_pkg_name}" "${_subdir}" "${_tgtdir}" "${_url}"; then
return 1;
fi;
done;
};
# N.B. URLs ($1) may contain `?' or '&' characters.
rtl_fetch_url_wget() {
local _urls="${1}" _sha256sum_src="${2}" _target_dname="${3}" _target_fname="${4}" _target_name="${5}" _mirrors="${6:-}" \
_rc=0 _target_fname_full="" _url="" _url_base="" _urls_count=0 _urls_full="";
_urls_full="${_urls}";
for _url_base in ${_mirrors}; do
_urls_full="$(rtl_lconcat "${_urls_full}" "${_url_base%/}/${_target_name}/${_target_fname}")";
done;
_urls_count="$(rtl_llength "${_urls_full}")";
for _url in ${_urls_full}; do
if [ -z "${_target_fname}" ]; then
_target_fname="$(rtl_basename "${_url}")";
fi;
_target_fname_full="${_target_dname}/${_target_fname}";
(set +o errexit -o noglob -o nounset;
rtl_flock_acquire 4 || exit 1;
trap "_rc=\"\${?}\"; rm -f \"${_target_fname_full}.fetching\"; exit \"\${_rc}\";" EXIT;
if [ -z "${_sha256sum_src}" ]\
|| ! rtl_check_digest_file "${_target_fname_full}" "${_sha256sum_src}" "${_target_fname_full}.fetched"; then
wget ${DEFAULT_WGET_ARGS} -O "${_target_fname_full}" "${_url}"; _rc="${?}";
if [ "${_rc}" -ne 0 ]; then
exit $((${_rc}+2));
elif [ -n "${_sha256sum_src}" ]\
&& ! rtl_check_digest "${_target_fname_full}" "${_sha256sum_src}"; then
exit 2;
else
printf "%s" "${RTL_CHECK_DIGEST_DIGEST}" > "${_target_fname_full}.fetched"; exit 0;
fi;
else
exit 0;
fi;) 4<>"${_target_fname_full}.fetching"; _rc="${?}"; : $((_urls_count-=1));
case "${_rc}" in
0) break; ;;
1) if [ "${_urls_count}" -ge 1 ]; then
rtl_log_msg warning "Warning: failed to acquire fetching lock for URL \`%s', retrying with alternative URL..." "${_url}";
else
rtl_log_msg fatal "Error: failed to acquire fetching lock for URL \`%s'." "${_url}"; break;
fi; ;;
2) if [ "${_urls_count}" -ge 1 ]; then
rtl_log_msg warning "Warning: hash mismatch for URL \`%s', retrying with alternative URL... (from build variables: %s.)"\
"${_url}" "${_sha256sum_src}";
else
rtl_log_msg fatal "Error: hash mismatch for URL \`%s' (from build variables: %s.)"\
"${_url}" "${_sha256sum_src}"; break;
fi; ;;
*) if [ "${_urls_count}" -ge 1 ]; then
rtl_log_msg warning "Warning: failed to fetch URL \`%s', retrying with alternative URL... (wget(1) exit status: %s)"\
"${_url}" "$((${_rc}-2))";
else
rtl_log_msg fatal "Error: failed to fetch URL \`%s' (wget(1) exit status: %s)"\
"${_url}" "$((${_rc}-2))"; break;
fi; ;;
esac;
done;
return "${_rc}";
};
# vim:filetype=sh
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