View difference between Paste ID: 96K3DrCy and Atu7hbf0

 #!/bin/bash
 set -eu
 
 # usage: file_env VAR [DEFAULT]
 #    ie: file_env 'XYZ_DB_PASSWORD' 'example'
 # (will allow for "$XYZ_DB_PASSWORD_FILE" to fill in the value of
 #  "$XYZ_DB_PASSWORD" from a file, especially for Docker's secrets feature)
 file_env() {
 	local var="$1"
 	local fileVar="${var}_FILE"
 	local def="${2:-}"
 	if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
 		echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
 		exit 1
 	fi
 	local val="$def"
 	if [ "${!var:-}" ]; then
 		val="${!var}"
 	elif [ "${!fileVar:-}" ]; then
 		val="$(< "${!fileVar}")"
 	fi
 	export "$var"="$val"
 	unset "$fileVar"
 }
 
 if [[ "$1" == apache2* ]] || [ "$1" == php-fpm ]; then
 	file_env 'WORDPRESS_DB_HOST' 'mysql'
 	# if we're linked to MySQL and thus have credentials already, let's use them
 	file_env 'WORDPRESS_DB_USER' "${MYSQL_ENV_MYSQL_USER:-root}"
 	if [ "$WORDPRESS_DB_USER" = 'root' ]; then
 		file_env 'WORDPRESS_DB_PASSWORD' "${MYSQL_ENV_MYSQL_ROOT_PASSWORD:-}"
 	else
 		file_env 'WORDPRESS_DB_PASSWORD' "${MYSQL_ENV_MYSQL_PASSWORD:-}"
 	fi
 	file_env 'WORDPRESS_DB_NAME' "${MYSQL_ENV_MYSQL_DATABASE:-wordpress}"
 	if [ -z "$WORDPRESS_DB_PASSWORD" ]; then
 		echo >&2 'error: missing required WORDPRESS_DB_PASSWORD environment variable'
 		echo >&2 '  Did you forget to -e WORDPRESS_DB_PASSWORD=... ?'
 		echo >&2
 		echo >&2 '  (Also of interest might be WORDPRESS_DB_USER and WORDPRESS_DB_NAME.)'
 		exit 1
 	fi
 
 	if ! [ -e index.php -a -e wp-includes/version.php ]; then
 		echo >&2 "WordPress not found in $(pwd) - copying now..."
 		#if [ "$(ls -A)" ]; then
 		#	echo >&2 "WARNING: $(pwd) is not empty - press Ctrl+C now if this is an error!"
 		#	( set -x; ls -A; sleep 10 )
 		#fi
 		tar cf - --one-file-system -C /usr/src/wordpress . | tar xf -
 		echo >&2 "Complete! WordPress has been successfully copied to $(pwd)"
 		if [ ! -e .htaccess ]; then
 			# NOTE: The "Indexes" option is disabled in the php:apache base image
 			cat > .htaccess <<-'EOF'
 				# BEGIN WordPress
 				<IfModule mod_rewrite.c>
 				RewriteEngine On
 				RewriteBase /
 				RewriteRule ^index\.php$ - [L]
 				RewriteCond %{REQUEST_FILENAME} !-f
 				RewriteCond %{REQUEST_FILENAME} !-d
 				RewriteRule . /index.php [L]
 				</IfModule>
 				# END WordPress
 			EOF
 			chown www-data:www-data .htaccess
 		fi
 	fi
 
 	# TODO handle WordPress upgrades magically in the same way, but only if wp-includes/version.php's $wp_version is less than /usr/src/wordpress/wp-includes/version.php's $wp_version
 
 	# version 4.4.1 decided to switch to windows line endings, that breaks our seds and awks
 	# https://github.com/docker-library/wordpress/issues/116
 	# https://github.com/WordPress/WordPress/commit/1acedc542fba2482bab88ec70d4bea4b997a92e4
 	sed -ri -e 's/\r\n|\r/\n/g' wp-config*
 
 	if [ ! -e wp-config.php ]; then
 		awk '/^\/\*.*stop editing.*\*\/$/ && c == 0 { c = 1; system("cat") } { print }' wp-config-sample.php > wp-config.php <<'EOPHP'
 // If we're behind a proxy server and using HTTPS, we need to alert Wordpress of that fact
 // see also http://codex.wordpress.org/Administration_Over_SSL#Using_a_Reverse_Proxy
 if (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] === 'https') {
 	$_SERVER['HTTPS'] = 'on';
 }
 
 EOPHP
 		chown www-data:www-data wp-config.php
 	fi
 
 	# see http://stackoverflow.com/a/2705678/433558
 	sed_escape_lhs() {
 		echo "$@" | sed -e 's/[]\/$*.^|[]/\\&/g'
 	}
 	sed_escape_rhs() {
 		echo "$@" | sed -e 's/[\/&]/\\&/g'
 	}
 	php_escape() {
 		php -r 'var_export(('$2') $argv[1]);' -- "$1"
 	}
 	set_config() {
 		key="$1"
 		value="$2"
 		var_type="${3:-string}"
 		start="(['\"])$(sed_escape_lhs "$key")\2\s*,"
 		end="\);"
 		if [ "${key:0:1}" = '$' ]; then
 			start="^(\s*)$(sed_escape_lhs "$key")\s*="
 			end=";"
 		fi
 		sed -ri -e "s/($start\s*).*($end)$/\1$(sed_escape_rhs "$(php_escape "$value" "$var_type")")\3/" wp-config.php
 	}
 
 	set_config 'DB_HOST' "$WORDPRESS_DB_HOST"
 	set_config 'DB_USER' "$WORDPRESS_DB_USER"
 	set_config 'DB_PASSWORD' "$WORDPRESS_DB_PASSWORD"
 	set_config 'DB_NAME' "$WORDPRESS_DB_NAME"
 
 	# allow any of these "Authentication Unique Keys and Salts." to be specified via
 	# environment variables with a "WORDPRESS_" prefix (ie, "WORDPRESS_AUTH_KEY")
 	UNIQUES=(
 		AUTH_KEY
 		SECURE_AUTH_KEY
 		LOGGED_IN_KEY
 		NONCE_KEY
 		AUTH_SALT
 		SECURE_AUTH_SALT
 		LOGGED_IN_SALT
 		NONCE_SALT
 	)
 	for unique in "${UNIQUES[@]}"; do
 		uniqVar="WORDPRESS_$unique"
 		file_env "$uniqVar"
 		if [ "${!uniqVar}" ]; then
 			set_config "$unique" "${!uniqVar}"
 		else
 			# if not specified, let's generate a random value
 			current_set="$(sed -rn -e "s/define\((([\'\"])$unique\2\s*,\s*)(['\"])(.*)\3\);/\4/p" wp-config.php)"
 			if [ "$current_set" = 'put your unique phrase here' ]; then
 				set_config "$unique" "$(head -c1M /dev/urandom | sha1sum | cut -d' ' -f1)"
 			fi
 		fi
 	done
 
 	file_env 'WORDPRESS_TABLE_PREFIX'
 	if [ "$WORDPRESS_TABLE_PREFIX" ]; then
 		set_config '$table_prefix' "$WORDPRESS_TABLE_PREFIX"
 	fi
 
 	file_env 'WORDPRESS_DEBUG'
 	if [ "$WORDPRESS_DEBUG" ]; then
 		set_config 'WP_DEBUG' 1 boolean
 	fi
 
 	TERM=dumb php -- "$WORDPRESS_DB_HOST" "$WORDPRESS_DB_USER" "$WORDPRESS_DB_PASSWORD" "$WORDPRESS_DB_NAME" <<'EOPHP'
 <?php
 // database might not exist, so let's try creating it (just to be safe)
 
 $stderr = fopen('php://stderr', 'w');
 
 // https://codex.wordpress.org/Editing_wp-config.php#MySQL_Alternate_Port
 //   "hostname:port"
 // https://codex.wordpress.org/Editing_wp-config.php#MySQL_Sockets_or_Pipes
 //   "hostname:unix-socket-path"
 list($host, $socket) = explode(':', $argv[1], 2);
 $port = 0;
 if (is_numeric($socket)) {
 	$port = (int) $socket;
 	$socket = null;
 }
 
 $maxTries = 10;
 do {
 	$mysql = new mysqli($host, $argv[2], $argv[3], '', $port, $socket);
 	if ($mysql->connect_error) {
 		fwrite($stderr, "\n" . 'MySQL Connection Error: (' . $mysql->connect_errno . ') ' . $mysql->connect_error . "\n");
 		--$maxTries;
 		if ($maxTries <= 0) {
 			exit(1);
 		}
 		sleep(3);
 	}
 } while ($mysql->connect_error);
 
 if (!$mysql->query('CREATE DATABASE IF NOT EXISTS `' . $mysql->real_escape_string($argv[4]) . '`')) {
 	fwrite($stderr, "\n" . 'MySQL "CREATE DATABASE" Error: ' . $mysql->error . "\n");
 	$mysql->close();
 	exit(1);
 }
 
 $mysql->close();
 EOPHP
 fi
 
 chown -R www-data:www-data /var/www/html
 envsubst '\$PHP_ERROR_REPORTING,\$PHP_DISPLAY_ERRORS,\$PHP_OPCACHE_ENABLED,\$PHP_MEM_LIMIT,\$PHP_POST_MAX_SIZE,\$TZ' < ${PHP_INI_DIR}/conf.d/tuning.template > ${PHP_INI_DIR}/conf.d/tuning.ini
 
 exec "$@"