#!/bin/sh

umask 077

DESTDIR="<%= @datadir %>"
MAXAGE="<%= @maxage %>"

DATE=`date "+%Y-%m-%d"`
HOME="`getent passwd ${USER} | cut -d : -f 6`"
OPTS=""

if [ ! -d ${DESTDIR} ]; then
    echo "ERR: MariaDB backup directory [${DESTDIR}] does not exist" 1>&2
    exit 1
fi

cd ${DESTDIR} && {
    find . -xdev -mindepth 2 -maxdepth 2 -type f -mtime +<%= @maxage %> -execdir rm -f -- {} \;
    find . -xdev -depth -mindepth 1 -maxdepth 1 -type d -empty -execdir rmdir -- {} \;
}

DESTDIR=${DESTDIR}/${DATE}
mkdir -p ${DESTDIR}

for db in `mysql -e 'show databases' -s` ; do
    case ${db} in
        Database|information_schema|performance_schema)
            continue
            ;;
    esac
    mysqldump -E --add-drop-table ${OPTS} ${db} | gzip > ${DESTDIR}/${db}.${DATE}.gz
done