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#
# . ./build.vars and set -o errexit -o noglob are assumed.
# See warning at the top of build.vars.
#
# N.B. URLs ($1) may contain `?' or '&' characters.
pkgp_fetch() {
_f_url="${1}"; _f_sha256sum_src="${2}";
if [ -z "${3}" ]; then
_f_url_dst="${DLCACHEDIR}/$(basename "${_f_url}")";
else
_f_url_dst="${DLCACHEDIR}/${3}";
fi;
if [ ${ARG_OFFLINE:-0} -eq 1 ]\
|| [ -e ${_f_url_dst}.fetched ]; then
unset _f_url _f_sha256sum_src _f_url_dst;
return 0;
else
wget ${WGET_ARGS} -c -O ${_f_url_dst} "${_f_url}";
fi;
if [ -n "${_f_sha256sum_src}" ]; then
set -- $(openssl dgst -sha256 ${_f_url_dst}); shift $((${#}-1));
if [ "${_f_sha256sum_dst:=${1}}" != "${_f_sha256sum_src}" ]; then
if [ ${ARG_IGNORE_SHA256SUMS:-0} -eq 0 ]; then
log_msg failexit "Error: hash mismatch for URL \`${_f_url}' (is: ${_f_sha256sum_dst}, should be: ${_f_sha256sum_src}.)";
else
log_msg warn "Warning: hash mismatch for URL \`${_f_url}' (is: ${_f_sha256sum_dst}, should be: ${_f_sha256sum_src}.)";
fi;
fi;
fi;
touch ${_f_url_dst}.fetched;
unset _f_url _f_url_dst _f_sha256sum_src _f_sha256sum_dst;
};
pkgp_fetch_git() {
_fg_subdir="${1}"; _fg_url="${2}"; _fg_branch="${3}";
if [ ${ARG_OFFLINE:-0} -eq 0 ]; then
if [ -e "${DLCACHEDIR}/${_fg_subdir}" ]; then
build_fileop cd ${DLCACHEDIR}/${_fg_subdir} &&\
git pull origin ${_fg_branch:-main} &&\
build_fileop cd ${OLDPWD};
else
git clone ${_fg_url} ${DLCACHEDIR}/${_fg_subdir};
if [ -n "${_fg_branch}" -a \
\( -z "${_fg_branch#main}" \) -a \
\( -z "${_fg_branch#master}" \) ]; then
build_fileop cd ${DLCACHEDIR}/${_fg_subdir} &&\
git checkout -b ${_fg_branch} &&\
build_fileop cd ${OLDPWD};
fi;
fi;
fi;
build_fileop rm ${_fg_subdir};
build_fileop cp ${DLCACHEDIR}/${_fg_subdir} .;
};
pkgp_fetch_urls_git() {
for _ppfu_url_spec in "${@}"; do
_ppfu_subdir=${_ppfu_url_spec%=*};
_ppfu_url=${_ppfu_url_spec#*=};
_ppfu_url=${_ppfu_url%@*};
if [ "${_ppfu_url_spec#*@}" != "${_ppfu_url_spec}" ]; then
_ppfu_git_branch=${_ppfu_url_spec#*@};
fi;
pkgp_fetch_git ${_ppfu_subdir} ${_ppfu_url} ${_ppfu_git_branch};
done;
unset _ppfu_url_spec _ppfu_subdir _ppfu_url _ppfu_git_branch;
};
pkg_fetch() {
if [ -n "${1}" ]; then
if [ "${1}" = "-git" ]; then
shift; pkgp_fetch_urls_git ${1};
else
pkgp_fetch ${1} ${2};
fi;
else
if [ -n "${PKG_URL}" ]; then
pkgp_fetch ${PKG_URL} ${PKG_SHA256SUM} ${PKG_FNAME};
fi;
if [ -n "${PKG_URLS_GIT}" ]; then
pkgp_fetch_urls_git ${PKG_URLS_GIT};
fi;
set_build_script_done fetch -extract;
fi;
};
# vim:filetype=sh
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