#!/bin/bash
###############################
#                             #
#  spapshot script for btrfs  #
#                             #
###############################



#.... linke diff betwen actual and last hour, day, week, month and or year
#deletet files: NUM
#createt fiels: NUM
#changed fiels: NUM ...
#storage verbrauch snap ...


## settings ##
timestamp="./last_snap"
logfile="/dev/null"
#timestamp:
#  year=`date +%Y`
#  month=`date +%m`
#  week=`date +%V`
#  day=`date +%d`
chmod +x $timestamp

function main {

  . $timestamp

  ## Month ##
  [ "$year"=="`date +%Y`" ] || {
    
    
    #btrfs creat snapshot -r / /snap.0
    
    wr_stamp
  }
}

function wr_stamp {
  echo "## timestamp for backsnap ##"  > "$timestamp"
  echo "## `date +%Y-%m-%d_%H-%M` ##" >> "$timestamp"
  echo                                >> "$timestamp"
  echo "year=`date +%Y`"              >> "$timestamp"
  echo "month=`date +%m`"             >> "$timestamp"
  echo "week=`date +%V`"              >> "$timestamp"
  echo "day=`date +%d`"               >> "$timestamp"
}