#!/bin/bash

. #ETCDIR#/backup.conf

export LC_ALL=C

for backupID in "${!backups[@]}"; do
  [ -s "/tmp/${backupID}.pid" ] || continue
  kill -0 $(cat "/tmp/${backupID}.pid") || continue
  dir="${backups["${backupID}"]%% *}"
  last=$(
    ls -1 "$dir" \
      | grep '[0-9]\{4\}_[0-9]\{2\}_[0-9]\{2\}' \
      | sort \
      | tail -n1
  )
  last_size=$(
    du -sb "${dir}/${last}" \
      | awk '{print $1}'
  )
  current_size=$(
    du -sb "${dir}/aktuell" \
      | awk '{print $1}'
  )
  size="${current_size}"
  decimal=''
  for unit in '' k M G T P Y; do
    if [ "${size}" -lt 1024 ]; then
      break
    fi
    decimal=".$(((size%1024*10)/1024))"
    size=$((size/1024))
  done
  percentage=$(
    printf '100*%s/%s\n' "${current_size}" "${last_size}" \
      | bc -l
  )
  printf '%6.2f %%  (%s%s %sB)  %s\n' "${percentage}" "${size}" "${decimal}" "${unit}" "${backupID}"
done