Updates WordPress on Mythic Beasts's shell web hosting using WP-CLI

crontab

# m h  dom mon dow   command
*/15 * * * * /home/$USER/wp_update.sh >/home/$USER/logs/wplog.txt

setup

mkdir logs
wget https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar
chmod +x wp-cli.phar
wget https://gist.githubusercontent.com/matt40k/8efec92c6568a4f363be595568366970/raw/wp_update.sh
chmod +x wp_update.sh

wp_update.sh

#!/bin/bash
#
# Updates all WordPress instances on your shell web hosting 
# using WP-CLI
#
WWWPATH="/home/$USER/www"
for DOMAINPATH in "`find $WWWPATH -name wp-config.php  -printf '%h\n'`"; do
  DOMAIN=${DOMAINPATH:${#WWWPATH}+1}
  echo -n `date +%d/%m/%Y\ %H:%M:%S`;
  echo -n " - ";
  echo "Updating WordPress for $DOMAIN";
  
  # Update WordPress
  # - Core
  php wp-cli.phar core update --path=$WWWPATH/$DOMAIN/
  php wp-cli.phar core update-db --path=$WWWPATH/$DOMAIN/
  # - Plugins
  php wp-cli.phar plugin update --all --path=$WWWPATH/$DOMAIN/
  # - Themes
  php wp-cli.phar theme update --all --path=$WWWPATH/$DOMAIN/
  # - Translations
  php wp-cli.phar core language update --path=$WWWPATH/$DOMAIN/
  
  # Maintenance
  php wp-cli.phar db check --path=$WWWPATH/$DOMAIN/
  php wp-cli.phar db optimize --path=$WWWPATH/$DOMAIN/
  
  echo -n `date +%d/%m/%Y\ %H:%M:%S`;
  echo -n " - ";
  echo "Update WordPress complete for $DOMAIN";

done