Shell: backup web directory and database

backup.sh

#!/bin/bash

_project="project"
_env="local"
_root="/mnt/c/work/hmr/backups"
_webdir="web"
_webext=".tar.gz"

if [ -n "$1" ] && [ "$1" != " " ]; then
  _suffix="-$1"
else
  _suffix=""
fi
_currentdir=$(pwd -P)
_now=$(date +"%Y%m%dT%H%M")
_name="$_project-$_env-$_now$_suffix"
_dbfile="$_name.sql"
_webfile="$_name$_webext"

##Tests start
#echo "First arg: $1"
#echo "Database: $_project"
#echo "Database file: $_dbfile"
#echo "Web files: $_webfile"
#exit
##Tests end

cd "$_root" || exit

echo "Starting database backup to $_dbfile..."
sudo mysqldump "$_project" > "$_root/$_dbfile"

cd .. || exit

echo "Starting web files backup to $_webfile..."
tar czf - "$_webdir" | pv > "$_root/$_webfile"

cd "$_currentdir" || exit