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#
# . ./build.vars and set -o errexit -o noglob are assumed.
# See warning at the top of build.vars.
#
check_pkg_updates() {
_cnpv_name="${1}"; _cnpv_version="${2}"; _cnpv_url="${3}"; _cnpv_url_type="${4}";
if match_list "${CHECK_UPDATES_SKIP}" " " "${_cnpv_name}"; then
if [ ${ARG_VERBOSE:-0} -eq 1 ]; then
log_msg info "Skipping \`${_cnpv_name}' (set in \${CHECK_UPDATES_SKIP}.)";
fi;
return 0;
elif [ "${_cnpv_url_type}" = "git" ]; then
if [ ${ARG_VERBOSE:-0} -eq 1 ]; then
log_msg info "Skipping \`${_cnpv_name}' (URL_TYPE is Git.)";
fi;
return 0;
elif [ -z "${_cnpv_version}" -o -z "${_cnpv_url}" ]; then
log_msg fail "Zero-length \${_cnpv_version} and/or \${_cnpv_url} for \`${_cnpv_name}' (ignored.)";
return 0;
else
if [ ${ARG_VERBOSE:-0} -eq 1 ]; then
log_msg info "Checking ${_cnpv_name} v${_cnpv_version} for updates.";
fi;
_cnpv_url_base="${_cnpv_url%/*}/"
_cnpv_url_fname="${_cnpv_url#${_cnpv_url_base}}";
_cnpv_url_fname_base="${_cnpv_url_fname%%-*}";
_cnpv_url_fname_ext="${_cnpv_url_fname#${_cnpv_url_fname_base}-${_cnpv_version}.}";
_cnpv_url_data="$(wget ${WGET_ARGS} -q -O- "${_cnpv_url_base}")"
fi;
_cnpv_versions="";
for _cnpv_fname in $(echo "${_cnpv_url_data}" |\
sed -n '/href="[^"]\+"/s/^.*href="\([^"]\+\)".*$/\1/p'); do
_cnpv_fname="${_cnpv_fname##*/}";
if [ "${_cnpv_fname#${_cnpv_url_fname_base}-}" = "${_cnpv_fname}" ]; then
continue;
elif [ "${_cnpv_fname%.${_cnpv_url_fname_ext}}" = "${_cnpv_fname}" ]; then
continue;
else
_cnpv_fname_version="${_cnpv_fname#${_cnpv_url_fname_base}-}";
_cnpv_fname_version="${_cnpv_fname_version%.${_cnpv_url_fname_ext}}";
if [ -z "${_cnpv_fname_version}" ]; then
if [ ${ARG_VERBOSE:-0} -eq 1 ]; then
log_msg warn "Skipping \`${_cnpv_fname_version}' (empty version.)";
fi;
continue;
elif ! echo "${_cnpv_fname_version}" | grep -Eq '^[_.0-9a-zA-Z]+$' \
|| echo "${_cnpv_fname_version}" | grep -Eq '^[_.a-zA-Z]+$'; then
if [ ${ARG_VERBOSE:-0} -eq 1 ]; then
log_msg warn "Skipping \`${_cnpv_fname_version}' (invalid version.)";
fi;
continue;
else
_cnpv_versions="${_cnpv_versions:+${_cnpv_versions} }${_cnpv_fname_version}";
fi;
fi;
done;
if [ -z "${_cnpv_versions}" ]; then
log_msg warn "No versions available for \`${_cnpv_name}' (URL: ${_cnpv_url}).";
else
_cnpv_versions="$(echo "${_cnpv_versions}" |\
sed 's/ /\n/g' | sort -rV | uniq |\
head -n3 | paste -d" " -s)";
if [ "${_cnpv_versions%% *}" != "${_cnpv_version}" ]; then
log_msg info "New release(s) available for ${_cnpv_name} v${_cnpv_version}: ${_cnpv_versions}.";
else
log_msg info "${_cnpv_name} v${_cnpv_version} is up to date.";
fi;
fi;
unset _cnpv_versions _cnpv_fname_version _cnpv_fname \
_cnpv_url_data _cnpv_url_fname_ext \
_cnpv_url_fname_base _cnpv_url_fname \
_cnpv_url_base _cnpv_url_type _cnpv_url \
_cnpv_version _cnpv_name;
};
# vim:filetype=sh
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