Bring back the Installer script for .env

Note: roots/bedrock#184

composer.json

@@ -20,16 +20,16 @@
   "require": {
     "ronilaukkarinen/dudestack": "dev-master"
   },
-  "config": {
+   "config": {
     "preferred-install": "dist",
     "generate-salts": true
   },
   "autoload": {
     "psr-4": {"Roots\\Bedrock\\": "scripts/Roots/Bedrock"}
   },
   "scripts": {
-    "post-root-package-install": ["Bedrock\\Installer::addSalts"]
-  },
+    "post-root-package-install": ["Roots\\Bedrock\\Installer::addSalts"]
+   },
   "repositories": [
     {
       "type": "composer",

scripts/Bedrock/Installer.php → scripts/Roots/Bedrock/Installer.php

@@ -1,11 +1,11 @@
 <?php
 
-namespace Bedrock;
+namespace Roots\Bedrock;
 
 use Composer\Script\Event;
 
 class Installer {
-  public static $KEYS = array(
+  public static $KEYS = [
     'AUTH_KEY',
     'SECURE_AUTH_KEY',
     'LOGGED_IN_KEY',
@@ -14,10 +14,10 @@ class Installer {
     'SECURE_AUTH_SALT',
     'LOGGED_IN_SALT',
     'NONCE_SALT'
-  );
+  ];
 
   public static function addSalts(Event $event) {
-    $root = dirname(dirname(__DIR__));
+    $root = dirname(dirname(dirname(__DIR__)));
     $composer = $event->getComposer();
     $io = $event->getIO();
 
@@ -32,7 +32,7 @@ public static function addSalts(Event $event) {
     }
 
     $salts = array_map(function ($key) {
-      return sprintf("%s='%s'", $key, Installer::generate_salt());
+      return sprintf("%s='%s'", $key, Installer::generateSalt());
     }, self::$KEYS);
 
     $env_file = "{$root}/.env";
@@ -49,7 +49,7 @@ public static function addSalts(Event $event) {
    * Slightly modified/simpler version of wp_generate_password
    * https://github.com/WordPress/WordPress/blob/cd8cedc40d768e9e1d5a5f5a08f1bd677c804cb9/wp-includes/pluggable.php#L1575
    */
-  public static function generate_salt($length = 64) {
+  public static function generateSalt($length = 64) {
     $chars  = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
     $chars .= '!@#$%^&*()';
     $chars .= '-_ []{}<>~`+=,.;:/?|';
@@ -61,4 +61,4 @@ public static function generate_salt($length = 64) {
 
     return $salt;
   }
-}
+}