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#
# set -o errexit -o noglob are assumed.
#
# N.B. URLs ($1) may contain `?' or '&' characters.
pkgp_fetch() {
local _url="${1}" _sha256sum_src="${2}";
if [ -z "${3}" ]; then
_url_dst="${DLCACHEDIR}/$(basename "${_url}")";
else
_url_dst="${DLCACHEDIR}/${3}";
fi;
if [ "${ARG_OFFLINE:-0}" -eq 1 ]\
|| [ -e "${_url_dst}.fetched" ]; then
return 0;
else
wget ${DEFAULT_WGET_ARGS} -c -O "${_url_dst}" "${_url}";
fi;
if [ -n "${_sha256sum_src}" ]; then
set -- $(openssl dgst -sha256 "${_url_dst}"); shift $((${#}-1));
if [ "${_sha256sum_dst:=${1}}" != "${_sha256sum_src}" ]; then
if [ "${ARG_IGNORE_SHA256SUMS:-0}" -eq 0 ]; then
log_msg failexit "Error: hash mismatch for URL \`${_url}' (is: ${_sha256sum_dst}, should be: ${_sha256sum_src}.)";
else
log_msg warn "Warning: hash mismatch for URL \`${_url}' (is: ${_sha256sum_dst}, should be: ${_sha256sum_src}.)";
fi;
fi;
fi;
touch "${_url_dst}.fetched";
};
pkgp_fetch_git() {
local _tgtdir="${1}" _subdir="${2}" _url="${3}" _branch="${4}";
if [ "${ARG_OFFLINE:-0}" -eq 0 ]; then
if [ -e "${DLCACHEDIR}/${_subdir}" ]; then
(build_fileop cd "${DLCACHEDIR}/${_subdir}" &&\
git pull origin "${_branch:-main}");
else
git clone "${_url}" "${DLCACHEDIR}/${_subdir}";
if [ -n "${_branch}" -a \
\( -z "${_branch#main}" \) -a \
\( -z "${_branch#master}" \) ]; then
(build_fileop cd "${DLCACHEDIR}/${_subdir}" &&\
git checkout -b "${_branch}");
fi;
fi;
fi;
build_fileop rm "${_tgtdir}/${_subdir}";
build_fileop cp "${DLCACHEDIR}/${_subdir}" "${_tgtdir}";
};
pkgp_fetch_urls_git() {
local _tgtdir="${2}" _url_spec _subdir _url _git_branch;
for _url_spec in ${1}; do
_subdir="${_url_spec%=*}";
_url="${_url_spec#*=}";
_url="${_url%@*}";
if [ "${_url_spec#*@}" != "${_url_spec}" ]; then
_git_branch=${_url_spec#*@};
fi;
pkgp_fetch_git "${_tgtdir}" "${_subdir}" "${_url}" "${_git_branch}";
done;
};
pkg_fetch() {
if [ -n "${1}" ]; then
if [ "${1}" = "-git" ]; then
shift; pkgp_fetch_urls_git "${1}" "${PKG_BASE_DIR}";
else
pkgp_fetch "${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 "${PKG_URLS_GIT}" "${PKG_BASE_DIR}";
fi;
fi;
};
# vim:filetype=sh
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