install-drush-composer.sh

#!/bin/bash

# License: Eclipse Public License - v 2.0 (https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html)
# Updated on January 30, 2023

if [[ $EUID -ne 0 ]]; then
  echo -e "\nThis script must be run as root. Exiting. . . .\n\n"
  exit 1
fi

echo -e "=========================================================================================\n"
echo -e "$0 will install or update the drush stub and composer for Drupal installations.\n"
echo -e "You still need to run the following in each Drupal web root\n"
echo -e "  composer require composer/composer -W\n"
echo -e "  composer require drush/drush -W\n"
echo -e "=========================================================================================\n\n"

lcDrushFolder="/usr/local/bin"

lcDrush=$(which drush)
if [ -n "${lcDrush}" ]; then
  echo -e "drush found at ${lcDrush}\n"
  lcDrushFolder=$(dirname "${lcDrush}")
else
  echo -e "Using the default folder for drush.\n"
fi

echo -e "drush folder is ${lcDrushFolder}\n\n"

# Below just gets the launcher (the launcher links to the project’s vendor/bin/drush command)
# From https://github.com/drush-ops/drush-launcher
cd /tmp
wget -O drush.phar https://github.com/drush-ops/drush-launcher/releases/latest/download/drush.phar
chmod +x drush.phar
mv drush.phar "${lcDrushFolder}"/drush

echo -e "\ndrush installed at $(which drush)\n\n"

echo -e "=========================================================================================\n\n"

lcComposerFolder="/usr/local/bin"

lcComposer=$(which composer)
if [ -n "${lcComposer}" ]; then
  echo -e "composer found at ${lcComposer}\n"
  lcComposerFolder=$(dirname "${lcComposer}")
else
  echo -e "Using the default folder for composer.\n"
fi

echo -e "Composer folder is ${lcComposerFolder}n\n"

cd /tmp
curl -sS https://getcomposer.org/installer -o composer-setup.php
HASH=$(curl -sS https://composer.github.io/installer.sig)
php -r "if (hash_file('SHA384', 'composer-setup.php') === '$HASH') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
php composer-setup.php --install-dir="${lcComposerFolder}" --filename=composer

echo -e "\ncomposer installed at $(which composer)\n\n"

echo -e "=========================================================================================\n\n"