Bash script for installing latest WordPress

wpinstallauto.sh

#!/bin/bash

# Installation script for the latest WordPress on Ubuntu
#
# Author: Dewploy Dev Team
# Created: November 11, 2016
# Last Upate: November 11, 2016


##### Functions

# Create new database
function userinput {
  echo -n "Enter new WordPress installation name"
  read installname

  $dbname=$installname
  $dbuser=$installname
  $dbpass=$installname
  $installpath=$installname

  $mysqluser="root"
  $mysqlpass=""

}

function create_new_db {
  echo "Creating database"
  Q00="CREATE DATABASE $dbname;"
  Q01="USE $dbname;"
  Q02="CREATE USER $dbuser@localhost IDENTIFIED BY '$dbpass';"
  Q03="GRANT ALL PRIVILEGES ON $dbname.* TO $dbuser@localhost;"
  Q04="FLUSH PRIVILEGES;"
  SQL0="${Q00}${Q01}${Q02}${Q03}${Q04}"
  mysql -v -u $mysqluser -p$mysqlpass -e"$SQL0"
}

# Download WordPress, modify wp-config.php, set permissions
function install_wp {
  wget http://wordpress.org/latest.tar.gz
  tar xzvf latest.tar.gz
  cp -rf wordpress/** ./
  rm -R wordpress
  cp wp-config-sample.php wp-config.php
  sed -i "s/database_name_here/$dbname/g" wp-config.php
  sed -i "s/username_here/$dbuser/g" wp-config.php
  sed -i "s/password_here/$dbpass/g" wp-config.php
  wget -O wp.keys https://api.wordpress.org/secret-key/1.1/salt/
  sed -i '/#@-/r wp.keys' wp-config.php
  sed -i "/#@+/,/#@-/d" wp-config.php
  mkdir wp-content/uploads
  find . -type d -exec chmod 755 {} \;
  find . -type f -exec chmod 644 {} \;
  chown -R :www-data wp-content/uploads
  chown -R $USER:www-data *
  chmod 640 wp-config.php
  rm -f latest.tar.gz
  rm -f wp-install.sh
  rm -f wp.keys
}


##### User inputs

echo -n "WordPress database name: "
read dbname
echo -n "WordPress database user: "
read dbuser
echo -n "WordPress database password: "
read -s dbpass
echo ""
echo -n "Install Wordpress? [Y/n] "
read instwp
echo -n "Create a NEW database with entered info? [Y/n] "
read newdb


##### Main

if [ "$newdb" = y ] || [ "$newdb" = Y ]
then
  create_new_db
  install_wp
else
  if [ "$instwp" = y ] || [ "$instwp" = Y ]
  then
    install_wp
    generate_htaccess
  fi
fi

echo -n "Now, go to your WordPress site to finish installation!"
echo ""