wordpress-tools/update.sh

#!/bin/bash

# update repo
git pull

# update wp-cli
if [ -f /usr/local/bin/wp ]; then
  /usr/local/bin/wp cli update --yes --quiet --allow-root
else
  # wp-cli not found, download & install
  curl -O https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar
  sudo mv wp-cli.phar /usr/local/bin/wp
  chmod +x /usr/local/bin/wp
fi

# update scripts in bin
chmod 755 bin/*
readarray -t bin_script_array < <(ls -1 bin/)
for bin_script in "${bin_script_array[@]}"; do
  if [ -f /usr/local/bin/$bin_script ]; then
    if ! diff -q bin/$bin_script /usr/local/bin/$bin_script ; then
      echo "Updating /usr/local/bin/$bin_script"
      cp bin/$bin_script /usr/local/bin/$bin_script
      echo
    fi
  else
    echo "Adding new script /usr/local/bin/$bin_script"
    cp bin/$bin_script /usr/local/bin/$bin_script
    echo
  fi
done

# check bash completion config for update
if ! diff -q bash_completion.d/wp-cli /etc/bash_completion.d/wp-cli ; then
  cp bash_completion.d/wp-cli /etc/bash_completion.d/wp-cli
  chmod 644 /etc/bash_completion.d/wp-cli
  echo "bash completion config updated"
  echo
fi

# check wp-cron.sh for update
if ! diff -q sbin/wp-cron.sh /usr/local/sbin/wp-cron.sh ; then
  cp sbin/wp-cron.sh /usr/local/sbin/wp-cron.sh
  chmod 755 /usr/local/sbin/wp-cron.sh
  echo "sbin/wp-cron.sh updated"
  echo
fi

# check systemd timer for update
if ! diff -q systemd/wp-cron.service /usr/lib/systemd/system/wp-cron.service ; then
  cp systemd/wp-cron.service /usr/lib/systemd/system/wp-cron.service
  chmod 644 /usr/lib/systemd/system/wp-cron.service
  echo "systemd/wp-cron.service updated"
  echo
fi
if ! diff -q systemd/wp-cron.timer /usr/lib/systemd/system/wp-cron.timer ; then
  cp systemd/wp-cron.timer /usr/lib/systemd/system/wp-cron.timer
  chmod 644 /usr/lib/systemd/system/wp-cron.timer
  echo "systemd/wp-cron.timer updated"
  echo
fi