Fix handling of docker.cfg and domain.cfg files.

plugins/dynamix.docker.manager/scripts/dockerconfig.php

@@ -0,0 +1,37 @@
+#!/usr/bin/php
+<?PHP
+/* Copyright 2015-2016, Lime Technology
+ * Copyright 2015-2016, Guilherme Jardim, Eric Schultz, Jon Panozzo.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ */
+?>
+<?
+$cfgfile = "/boot/config/docker.cfg";
+$cfg_defaults = [
+    "DOCKER_ENABLED" => "no",
+    "DOCKER_IMAGE_FILE" => "/mnt/user/system/docker/docker.img",
+    "DOCKER_IMAGE_SIZE" => "20",
+    "DOCKER_APP_CONFIG_PATH" => "/mnt/user/appdata/",
+    "DOCKER_APP_UNRAID_PATH" => "/mnt/user/"
+];
+
+$cfg_new = $cfg_defaults;
+if (file_exists($cfgfile)) {
+    $cfg_old = parse_ini_file($cfgfile);
+    if (!empty($cfg_old)) {
+        $cfg_new = array_merge($cfg_defaults, $cfg_old);
+        if (empty(array_diff($cfg_new, $cfg_old)))
+            unset($cfg_new);
+    }
+}
+if ($cfg_new) {
+    foreach ($cfg_new as $key => $value) $tmp .= "$key=\"$value\"\n";
+    file_put_contents($cfgfile, $tmp);
+}
+?>