#!/bin/sh
# source file directory
srcd=/usr/local/elog/

# backup all files newer than 25 hours
date=$(date -d "-25hours" "+%Y%m%d %H:%M")
# backup file directory
tard=/logbooks_backup
# backup tar file name
tarf=$tard/$(date +%Y%m%d_%a.tar)
# do not backup files that match patterns in this file
excf=/usr/local/elog/utilities/exclude-logbooks
# create backup
cd $srcd
tar --ignore-case -X $excf --newer "$date" -cf $tarf . logbooks/*

# copy passwd.txt
if [ "$(date +%u)" -eq 1 ]
then
	passwd=$tard/passwd_$(date +%Y%m%d_%a.txt)
	cp $srcd/passwd.txt $passwd
	gzip -9 $passwd
fi
# delete all backups older than 90 days
find $tard -mtime +90 -name "*_???.tar"           -exec rm -f {} +
find $tard -mtime +90 -name "passwd_*_???.txt.gz" -exec rm -f {} +