Creates snapshot of Magento db & media.

Magento Auto Snapshot

#/bin/sh
####################################################################################
# Magento Auto Snapshot
#
# This script has been integrated into Magento Shell Tools.
# Please see https://github.com/guidance/magento-shell-tools/blob/master/shell/snapshot.php
#
# Shell script that makes a backup of Magento's database and media directories.
# Intended for use on development environments. Bring new developers up to speed
# quickly.
# Makes some assumptions regarding Capistrano style deploy path.
# 
# You are responsible for your own security!!!!!
#
# Author: Ticean Bennett
#
#####################################################################################

#Define params.
site_name_flag=
deploy_to_flag=
while getopts 's:d:m:-help' OPTION
do
    case $OPTION in 
    s)	site_name_flag=1
	site_name="$OPTARG"
	;;
    d)	deploy_to_flag=1
	deploy_to="$OPTARG"
	;;
    m)  mysql_dbname_flag=1
	mysql_dbname="$OPTARG"
	;;
    ?)	printf "Usage: %s: [-s value] [-d value] args\n" $(basename $0) >&2
	exit 2
	;;
    esac
done
shift $(($OPTIND -1))

#Require -s site_name.
if [ ${site_name_flag} ]
then
    printf 'Option -s "%s" specified\n' "$site_name"
else
    printf 'Option -s specifies the site name, and is required.\n' >&2
    exit 2
fi

#Require -d deploy_to.
if [ ${deploy_to_flag} ]
then 
    printf 'Option -d "%s" specified\n' "$deploy_to"
else
    deploy_to="/var/www/${site_name}"
    printf 'Option -d not specified. Using "%s"\n' "$deploy_to"
fi

#Require -m mysql_dbname
if [ ${mysql_dbname_flag} ]
then
    printf 'Option -m "%s" specified\n' "$mysql_dbname"
else
    printf 'Option -m specifies the mysql database name, and is required.\n' >&2
    exit 2
fi

#####################################################################################
#Do the work.
#####################################################################################

#Create snapshot directory.
#snapshot_dir="$deploy_to"/shared/snapshot
snapshot_dir="/home/tbenn"
if [ ! -d "$snapshot_dir" ]
then
   mkdir "$snapshot_dir"
   printf 'Creating snapshot directory: "%s"\n' "$snapshot_dir"
fi

#Media directory backup.
if [ -f "$snapshot_dir"/media.tgz ]
then 
    rm "$snapshot_dir"/media.tgz
    printf 'Removed existing media snapshot.\n'
fi

#cd "$deploy_to"/shared
printf 'Creating media archive: "%s"\n' "$snapshot_dir"/media.tgz
tar -czvf "$snapshot_dir"/media.tgz "$deploy_to"/shared/media/ > /dev/null

#Database backup.
printf 'Creating database snapshot: "%s"\n' "$snapshot_dir"/$mysql_dbname.sql
mysqldump -uroot -pMy-SQL-DB "$mysql_dbname" | gzip > "$snapshot_dir"/$mysql_dbname.sql.gz