osmosis-db_replag

#!/bin/bash
STATE=/var/lib/mod_tile/.osmosis/state.txt

rep=`cat ${STATE} |\
        grep 'timestamp' |\
        awk '{split($0, a, "="); print a[2]}' |\
        tr 'T' ' ' |\
        xargs -I{} ${BINPATH}date --utc --date "{}" +%s`
is=`date --utc +%s`

lag=$(($is - $rep))

if [ "$1" = "-h" ]; then

  if [ $lag -gt 86400 ]; then echo $(($lag / 86400)) "day(s) and" $((($lag % 86400) / 3600)) "hour(s)";
  elif [ $lag -gt 3600 ]; then echo $(($lag / 3600)) "hour(s)";
  elif [ $lag -gt 60 ]; then echo $(($lag / 60)) "minute(s)";
  else echo $lag "second(s)";
  fi

else

  echo $lag;

fi