Easy backup script into a local computer

local-backup.sh

#!/bin/bash


# -------------------------------------
# Script to do incremental rsync backups
# into a local computer
#
# This script is freely distributed under the GPL
# -------------------------------------

# -------------------------------------
# Configuration
#
# You only should touch this section
# -------------------------------------

echo -e "\n\nSTART: $(date "+%Y-%m-%d %H:%M:%S")"

DATE="$(date "+%Y-%m-%d")"

# Local directory to backup
STORE="/"

# Root directory to for backup stuff. Must exists
BASE="/backup"

# Organization directories
BASEBACKUP="$BASE/server"
BASELAST="$BASEBACKUP/last"
BASEHISTORY="$BASEBACKUP/history"
CURRENTHISTORY="$BASEHISTORY/$DATE"

# Days to store the incremental changes
INCREMENTALTIME=30

# -------------------------------------
# Script execution
# -------------------------------------

if [ ! -d "$BASEBACKUP" ]; then
    install -d "$BASEBACKUP"
fi

if [ ! -d "$BASEBACKUP" ]; then
    echo -e "\n\nBASE BACKUP FOLDER $BASEBACKUP COULD NOT BE CREATED"
fi

if [ ! -d "$CURRENTHISTORY" ]; then
    install -d "$CURRENTHISTORY"
fi

rsync \
    -av \
    --force \
    --delete \
    --backup \
    --ignore-errors \
    --exclude /proc/ \
    --exclude /dev/ \
    --exclude /run/ \
    --exclude /tmp/ \
    --exclude /sys/ \
    --exclude /media/ \
    --exclude /mnt/ \
    --exclude "$BASE/" \
    --backup-dir="$CURRENTHISTORY/" \
    "$STORE" "$BASELAST"

for OLD in $(ls -t "$BASEHISTORY" | tail -n +$INCREMENTALTIME); do
    echo -e "\n\nDeleted history backup $BASEHISTORY/$OLD"

    rm -rf "$BASEHISTORY/$OLD"
done

echo -e "\n\nEND: $(date "+%Y-%m-%d %H:%M:%S")"

exit 0