Backup Magento project files / DB using the bash script

I have googled for the bash script to backup Magento sites/DB but none of them worked for me the way I wanted.
So I decided to create a custom bash script which is simple and does the job perfectly.

I have developed the script for my own need. But I thought it would be helpful if shared with you guys as well.
Here goes the overall backup script:

#!/bin/bash
#@author		MagePsycho <[email protected]>
#@website		https://www.magepsycho.com
#@version		0.1.0

#/************************ EDIT VARIABLES ************************/
projectName=magepsycho
backupDir=/home/magepsycho/_backups
#/************************ //EDIT VARIABLES **********************/

dbXmlPath="app/etc/local.xml"
{
host="$(echo "cat /config/global/resources/default_setup/connection/host/text()" | xmllint --nocdata --shell $dbXmlPath | sed '1d;$d')"
username="$(echo "cat /config/global/resources/default_setup/connection/username/text()" | xmllint --nocdata --shell $dbXmlPath | sed '1d;$d')"
password="$(echo "cat /config/global/resources/default_setup/connection/password/text()" | xmllint --nocdata --shell $dbXmlPath | sed '1d;$d')"
dbName="$(echo "cat /config/global/resources/default_setup/connection/dbname/text()" | xmllint --nocdata --shell $dbXmlPath | sed '1d;$d')"
}

fileName=$projectName-$(date +"%Y-%m-%d")
printf "What kind of backup you would like?\n[ d ] DB backup only\n[ f ] Files backup only\n[ b ] Files backup with DB\n"
read backupType
if [[ $backupType = @(d|b) ]]; then
	echo "----------------------------------------------------"
	echo "Dumping MySQL..."
	mysqldump -h $host -u $username -p$password $dbName > $fileName.sql
	echo "Done!"
fi

if [[ $backupType = @(f|b) ]]; then
	echo "----------------------------------------------------"
	echo "Archiving Files..."
	printf "Skip /media folder?\ny: Yes\nn: No\n"
	read skipMedia
	if [ $skipMedia == y ]; then
		tar -zcf $fileName.tar.gz --exclude=var --exclude=includes --exclude=media * .htaccess
	else
		tar -zcf $fileName.tar.gz --exclude=var --exclude=includes * .htaccess
	fi
	echo "Done!"
	echo "----------------------------------------------------"
	echo "Cleaning..."
	rm -f $fileName.sql
	echo "Done!"
fi

if [[ $backupType = @(d|f|b) ]]; then
	echo "----------------------------------------------------"
	mkdir -p $backupDir;
	echo "Moving file to backup dir..."
	if [ $backupType == d ]; then
		mv $fileName.sql $backupDir
	fi

	if [[ $backupType = @(f|b) ]]; then
		mv $fileName.tar.gz $backupDir
	fi
	echo "Done!"
else
	echo "Invalid selection!"
fi

Or you can download it from [here]
Notes: If you get the following error:

syntax error in conditional expression: unexpected token `(‘
line 24: syntax error near `@(d’
line 24: `if [[ $backupType = @(d|b) ]]; then’

then this means you are using an older version of bash (< 4.0). And you need to patch the script by adding the following line after bash script declaration:

shopt -s extglob

What does this script do?

1. Gives options for the backup type which are:
   • DB backup only
   • Files backup only
   • Files backup with DB
2. Dumps the database by taking DB info from XML configuration.
3. Makes a copy of project files and compresses it in .tar.gz format.
   • While copying it also gives options whether to exclude media folder or not.
   • Note that by default ‘var’ & ‘includes’ folder are excluded by the script.
4. Deletes the dumped SQL file as it’s already copied in the compressed file.
5. Creates backup dir if not exists
6. Copies the compressed project file to the backup dir.

Besides, you can also setup Cron job to run this backup script at regular intervals.

How to run the backup script?

1. Edit _magebackup.sh to configure variables ‘projectName’ & ‘backupDir’
2. Upload the edited _magebackup.sh to the root of your Magento installation
3. Run following series of commands in terminal:

cd /path/to/magento/root
chmod +x _magebackup.sh
ex -sc

4. You will get the compressed backup file at backup dir

Snapshots for different backup types

Let’s comment if there’s any room for improvement in this script.
Thanks for reading & sharing.