[FreeBSD] Freebsd custom patch for user auth

Since we want usernames to depend on the email provided, hack are way
through it.  An extension can not handle this level of intrusiveness

I'm sorry oh coding gods

src/applications/auth/controller/PhabricatorAuthRegisterController.php

@@ -7,6 +7,13 @@ final class PhabricatorAuthRegisterController
     return false;
   }
 
+  private function emailToUsername($email) {
+    $mangled_email = str_ireplace('@freebsd.org', '', $email);
+    $mangled_email = str_replace('@', '_', $mangled_email);
+    $mangled_email = str_replace('+', '_', $mangled_email);
+    return $mangled_email;
+  }
+
   public function handleRequest(AphrontRequest $request) {
     $viewer = $this->getViewer();
     $account_key = $request->getURIData('akey');
@@ -67,9 +74,9 @@ final class PhabricatorAuthRegisterController
       $default_realname = null;
       $default_email = null;
     } else {
-      $default_username = $account->getUsername();
       $default_realname = $account->getRealName();
       $default_email = $account->getEmail();
+      $fbsd_username = $this->emailToUsername($default_email);
     }
 
     $account_type = PhabricatorAuthPassword::PASSWORD_TYPE_ACCOUNT;
@@ -196,7 +203,7 @@ final class PhabricatorAuthRegisterController
     }
 
     $profile = id(new PhabricatorRegistrationProfile())
-      ->setDefaultUsername($default_username)
+      ->setDefaultUsername($fbsd_username)
       ->setDefaultEmail($default_email)
       ->setDefaultRealName($default_realname)
       ->setCanEditUsername(true)
@@ -214,11 +221,11 @@ final class PhabricatorAuthRegisterController
       ->setUser($user);
     PhutilEventEngine::dispatchEvent($event);
 
-    $default_username = $profile->getDefaultUsername();
+    $fbsd_username = $profile->getDefaultUsername();
     $default_email = $profile->getDefaultEmail();
     $default_realname = $profile->getDefaultRealName();
 
-    $can_edit_username = $profile->getCanEditUsername();
+    $can_edit_username = false;
     $can_edit_email = $profile->getCanEditEmail();
     $can_edit_realname = $profile->getCanEditRealName();
 
@@ -237,7 +244,7 @@ final class PhabricatorAuthRegisterController
       $force_verify = true;
     }
 
-    $value_username = $default_username;
+    $value_username = $fbsd_username;
     $value_realname = $default_realname;
     $value_email = $default_email;
     $value_password = null;
@@ -337,6 +344,10 @@ final class PhabricatorAuthRegisterController
         }
       }
 
+      if ($account->getAccountType() != 'ldap') {
+        $value_username = $this->emailToUsername($value_email);
+      }
+
       if ($can_edit_realname) {
         $value_realname = $request->getStr('realName');
         if (!strlen($value_realname) && $require_real_name) {