deployment script prod

#!/usr/bin/bash
#===========================================================================
# Deployment Script for EDB Drupal Site
# Usage:  execute this script with elevated privileges
#         - e.g. 'sudo ./[this_script] [branch_to_deploy]'
#===========================================================================

REPOSITORY_ROOT="/var/www/repo/enterprise-db"
DRUPAL_ROOT="/var/www/html"
DEPLOY_BRANCH="$1"

# Set default branch if not provided via command argument
if [ "$DEPLOY_BRANCH" = "" ]; then
  set DEPLOY_BRANCH="production"
fi

# Download latest code from specified branch in remote repository
cd $REPOSITORY_ROOT
git checkout $DEPLOY_BRANCH
git pull origin $DEPLOY_BRANCH

# Enable Maintenance Mode
cd $DRUPAL_ROOT
drush vset maintenance_mode 1

# Sync downloaded repository files over to webroot
rsync -avh "$REPOSITORY_ROOT/simplesamlphp/" /var/www/simplesamlphp/ --delete
rsync -avh --exclude '.git' --exclude 'sites/default/files' --exclude 'sites/default/files-private' "$REPOSITORY_ROOT/docroot/" $DRUPAL_ROOT --delete

# Install environment-specific database settings
cp -fv /var/www/repo/local.db.inc "$DRUPAL_ROOT/sites/default/local.db.inc"

# Remove one Simplesaml implementation and symlink to the other
rm "$DRUPAL_ROOT/simplesaml"
ln -s /var/www/simplesamlphp/www "$DRUPAL_ROOT/simplesaml"

# Lock down Drupal settings file and default site directory
chmod 644 "$DRUPAL_ROOT/sites/default/settings.php"
chmod 755 "$DRUPAL_ROOT/sites/default"

# Run Registry Rebuild in case our code update has created changes that might prevent
# Drupal from being able to bootstrap. This will also flush site caches.
drush rr

# After all files have been deployed and caches cleared, we set correct ownership and permissions
# in various areas to ensure the system will function normally.

# Set default ownership for entire Drupal installation
chown -R root:apache $DRUPAL_ROOT

# Set directory permissions for Drupal public and private file system
find "$DRUPAL_ROOT/sites/default/files" -type d -exec chmod 775 {} +
find "$DRUPAL_ROOT/sites/default/files-private" -type d -exec chmod 775 {} +

# Set file permissions for Drupal public and private file system
find "$DRUPAL_ROOT/sites/default/files" -type f -exec chmod 664 {} +
find "$DRUPAL_ROOT/sites/default/files-private" -type f -exec chmod 664 {} +

# Run any pending database updates
drush updb -y

# Disable Maintenance Mode, only if the previous command was successful
lastCode=$?
if [[ $lastCode != 0 ]]; then
	echo "ERROR: Drush exited with code $lastCode"
	exit $lastCode
fi
drush vset maintenance_mode 0