latest_snap=$(ls ${SNAP_CACHE} | grep tar.gz | tail -n 1)
if [ -n "$latest_snap" ]; then
local_snap_checksum=$(sha512sum ${SNAP_CACHE}/${latest_snap} | cut -d' ' -f1)
latest_snap=$(ls ${SNAP_CACHE} | grep tar.gz | tail -n 1)
if [ -n "$latest_snap" ]; then
local_snap_checksum=$(sha512sum ${SNAP_CACHE}/${latest_snap} | cut -d' ' -f1)