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#
# set +o errexit -o noglob -o nounset is assumed.
#
rtlp_fetch_url_git() {
local _cache_dname="${1}" _git_args="${2}" _git_branch="${3}" _mirrors="${4}" \
_pkg_name="${5}" _subdir="${6}" _tgtdir="${7}" _url="${8}" _cache_dname_full="" \
_clonefl=0 _git_pull_log_fname="" _oldpwd="" _url_base="";
_cache_dname_full="${_cache_dname}/${_subdir##*/}";
(set -o errexit -o noglob -o nounset;
rtl_flock_acquire 4 || exit "${?}";
trap "rm -f \"${_cache_dname_full%%[/]}.fetching\"" EXIT;
if [ -e "${_cache_dname_full}" ]; then
(rtl_fileop cd "${_cache_dname_full}" || exit 1;
_git_pull_log_fname="$(mktemp)" || exit 1;
trap 'rm -f "${_git_pull_log_fname}" 2>/dev/null' EXIT HUP INT TERM USR1 USR2;
if ! git pull ${_git_args} origin "${_git_branch:-main}" >"${_git_pull_log_fname}" 2>&1; then
if grep -q '^fatal: refusing to merge unrelated histories$' "${_git_pull_log_fname}"; then
cat "${_git_pull_log_fname}"; printf "Detected forced push(es).\n";
elif grep -q '^Automatic merge failed; fix conflicts and then commit the result.$' "${_git_pull_log_fname}"; then
cat "${_git_pull_log_fname}"; printf "Detected forced push(es).\n"; git merge --abort;
else
cat "${_git_pull_log_fname}"; exit 1;
fi;
while true; do
printf "Attempting git-reset(1) --hard HEAD^ and git-pull(1)...\n";
if ! git reset --hard "HEAD^"; then
exit 1;
elif git pull ${_git_args} origin "${_git_branch:-main}"; then
exit 0;
fi;
done;
else
cat "${_git_pull_log_fname}"; exit 0;
fi;) || return 1;
(rtl_fileop cd "${_cache_dname_full}" &&\
git submodule update) || return 1;
else if git clone ${_git_args} -b "${_git_branch:-main}" "${_url}" "${_cache_dname_full}"; then
_clonefl=1;
elif [ "${_mirrors}" = "skip" ]; then
return 1;
else for _url_base in ${_mirrors}; do
if git clone ${_git_args} -b "${_git_branch:-main}" "${_url_base}/${_pkg_name}/${_subdir}" "${_cache_dname_full}"; then
_clonefl=1; break;
fi;
done;
fi;
if [ "${_clonefl}" -eq 0 ]; then
return 1;
else if [ -n "${_git_branch}" ]; then
(rtl_fileop cd "${_cache_dname_full}" &&\
git checkout "${_git_branch}") || return 1;
fi;
(rtl_fileop cd "${_cache_dname_full}" &&\
git submodule update --init) || return 1;
fi;
fi;
if [ "${_cache_dname}" != "${_tgtdir}" ]; then
_oldpwd="${PWD}"; rtl_fileop cd "${_tgtdir}" || return 1;
rtl_fileop rm "${_tgtdir}/${_subdir}" || return 1;
if [ ! -e "$(rtl_dirname "${_tgtdir}/${_subdir}")" ]; then
rtl_fileop mkdir "$(rtl_dirname "${_tgtdir}/${_subdir}")";
fi;
rtl_fileop cp "${_cache_dname_full}" "${_tgtdir}/${_subdir}" || return 1;
rtl_fileop cd "${_oldpwd}" || return 1;
fi) 4<>"${_cache_dname_full%%[/]}.fetching";
if [ "${?}" -eq 0 ]; then
cd "$(pwd)";
else
return 1;
fi;
};
rtl_fetch_mirror_urls_git() {
local _git_args="${1}" _tgtdir="${2}" _rc=0 _repo_dname="" _subdir="" _url="" _url_spec=""; shift 2;
for _url_spec in "${@}"; do
_subdir="${_url_spec%=*}"; _subdir="${_subdir##*/}"; _url="${_url_spec#*=}"; _url="${_url%@*}";
_repo_dname="${_subdir}"; [ "${_repo_dname%.git}" = "${_repo_dname}" ] && _repo_dname="${_repo_dname}.git";
if [ ! -e "$(rtl_dirname "${_tgtdir}")" ]; then
rtl_fileop mkdir "$(rtl_dirname "${_tgtdir}")";
fi;
(set -o errexit -o noglob -o nounset;
rtl_flock_acquire 4 || exit "${?}";
trap "rm -f \"${_tgtdir}/.fetching\"" EXIT;
if [ -e "${_tgtdir}/${_repo_dname}" ]; then
(rtl_fileop cd "${_tgtdir}/${_repo_dname}" && git fetch ${_git_args} --all) || return 1;
else (rtl_fileop cd "${_tgtdir}" && git clone ${_git_args} --mirror "${_url}" "${_repo_dname}") || return 1;
fi) 4<>"${_tgtdir}/.fetching";
if [ "${?}" -ne 0 ]; then
_rc=1;
fi;
done; return "${_rc}";
};
rtl_fetch_urls_git() {
local _cache_dname="${1}" _git_args="${2}" _tgtdir="${3}" _pkg_name="${4}" _mirrors="${5}"\
_git_branch="" _subdir="" _url="" _url_spec=""; shift 5;
for _url_spec in "${@}"; 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_args}" "${_git_branch}" "${_mirrors}"\
"${_pkg_name}" "${_subdir}" "${_tgtdir}" "${_url}"; then
return 1;
fi;
done;
};
# vim:filetype=sh
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