diff options
Diffstat (limited to 'subr')
-rw-r--r-- | subr/rtl_fetch.subr | 66 |
1 files changed, 48 insertions, 18 deletions
diff --git a/subr/rtl_fetch.subr b/subr/rtl_fetch.subr index 350a01e8..7e3fcced 100644 --- a/subr/rtl_fetch.subr +++ b/subr/rtl_fetch.subr @@ -53,27 +53,57 @@ rtl_fetch_urls_git() { # N.B. URLs ($1) may contain `?' or '&' characters. rtl_fetch_url_wget() { - local _url="${1}" _sha256sum_src="${2}" _target_fname="${3}" _target_fname_full="" RTL_CHECK_DIGEST_DIGEST=""; + local _urls="${1}" _sha256sum_src="${2}" _target_fname="${3}" _rc=0 _target_fname_full=""\ + _url="" _urls_count=0 RTL_CHECK_DIGEST_DIGEST=""; if [ "${ARG_FETCH_FORCE}" = "offline" ]; then return 0; - else if [ -z "${_target_fname}" ]; then - _target_fname="$(rtl_basename "${_url}")"; - fi; - _target_fname_full="${BUILD_DLCACHEDIR}/${_target_fname}"; - (set -o errexit -o noglob -o nounset; - rtl_flock_acquire 4 || exit "${?}"; - 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}" "${_url}"; - if [ -n "${_sha256sum_src}" ]\ - && ! rtl_check_digest "${_target_fname_full}" "${_sha256sum_src}"; then - rtl_log_msg fatalexit "Error: hash mismatch for URL \`%s' (downloaded file: %s, from build variables: %s.)"\ - "${_url}" "${RTL_CHECK_DIGEST_DIGEST}" "${_sha256sum_src}"; - else - printf "%s" "${RTL_CHECK_DIGEST_DIGEST}" > "${_target_fname_full}.fetched"; + else _urls_count="$(rtl_llength "${_urls}")"; + for _url in ${_urls}; do + if [ -z "${_target_fname}" ]; then + _target_fname="$(rtl_basename "${_url}")"; fi; - fi;) 4<>"${_target_fname_full}.fetching"; + _target_fname_full="${BUILD_DLCACHEDIR}/${_target_fname}"; + (set +o errexit -o noglob -o nounset; + rtl_flock_acquire 4 || exit 1; + trap "_rc=\"\${?}\"; rm -f \"${_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 fatalexit "Error: failed to acquire fetching lock for URL \`%s'." "${_url}"; + fi; ;; + 2) if [ "${_urls_count}" -ge 1 ]; then + rtl_log_msg warning "Warning: hash mismatch for URL \`%s', retrying with alternative URL... (downloaded file: %s, from build variables: %s.)"\ + "${_url}" "${RTL_CHECK_DIGEST_DIGEST}" "${_sha256sum_src}"; + else + rtl_log_msg fatalexit "Error: hash mismatch for URL \`%s' (downloaded file: %s, from build variables: %s.)"\ + "${_url}" "${RTL_CHECK_DIGEST_DIGEST}" "${_sha256sum_src}"; + 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 fatalexit "Error: failed to fetch URL \`%s' (wget(1) exit status: %s)"\ + "${_url}" "$((${_rc}-2))"; + fi; ;; + esac; + done; + return "${_rc}"; fi; }; |