[ ${erase_size:-0} -gt 0 ];
then
local append=""
- [ -f "$CONF_TAR" -a "$SAVE_CONFIG" -eq 1 ] && append="-j $CONF_TAR"
+ [ -f "$CONF_TAR" -a "$UPGRADE_OPT_UPGRADE_OPT_SAVE_CONFIG" -eq 1 ] && append="-j $CONF_TAR"
( dd if="$1" bs=$CI_BLKSZ skip=1 count=$kern_blocks 2>/dev/null; \
dd if="$1" bs=$CI_BLKSZ skip=$((1+$kern_blocks)) count=$root_blocks 2>/dev/null ) | \