remove mkdirp use

node 10.12 has { recursive: true }

src/test/backups-test.js

@@ -16,7 +16,6 @@ var async = require('async'),
     expect = require('expect.js'),
     fs = require('fs'),
     os = require('os'),
-    mkdirp = require('mkdirp'),
     moment = require('moment'),
     path = require('path'),
     rimraf = require('rimraf'),
@@ -139,7 +138,7 @@ describe('backups', function () {
         const BACKUP_DIR = path.join(os.tmpdir(), 'cloudron-backup-test');
 
         async.series([
-            mkdirp.bind(null, BACKUP_DIR),
+            fs.mkdir.bind(null, BACKUP_DIR, { recursive: true }),
             database.initialize,
             database._clear,
             settings.setBackupConfig.bind(null, {
@@ -371,7 +370,7 @@ describe('backups', function () {
         });
 
         it('succeeds to set backup config', function (done) {
-            mkdirp.sync(backupConfig.backupFolder);
+            fs.mkdirSync(backupConfig.backupFolder, { recursive: true });
 
             settings.setBackupConfig(backupConfig, function (error) {
                 expect(error).to.be(null);

src/test/common.js

@@ -1,7 +1,6 @@
 'use strict';
 
 var fs = require('fs'),
-    mkdirp = require('mkdirp'),
     path = require('path'),
     rimraf = require('rimraf');
 
@@ -11,7 +10,7 @@ exports = module.exports = {
 
 function createTree(root, obj) {
     rimraf.sync(root);
-    mkdirp.sync(root);
+    fs.mkdirSync(root, { recursive: true });
 
     function createSubTree(tree, curpath) {
         for (var key in tree) {

src/test/storage-test.js

@@ -15,7 +15,6 @@ var BoxError = require('../boxerror.js'),
     os = require('os'),
     path = require('path'),
     rimraf = require('rimraf'),
-    mkdirp = require('mkdirp'),
     recursive_readdir = require('recursive-readdir'),
     s3 = require('../storage/s3.js'),
     gcs = require('../storage/gcs.js'),
@@ -308,19 +307,19 @@ describe('Storage', function () {
         var GCSMockBasePath = path.join(os.tmpdir(), 'gcs-backup-test-buckets/');
 
         before(function () {
-            var mockGCS = function(cfg){
-                return {bucket: function(b){
+            var mockGCS = function(){
+                return {bucket: function(){
                     var file = function(filename){
 
                         var ensurePathWritable = function (filename) {
                             filename = GCSMockBasePath + filename;
-                            mkdirp.sync(path.dirname(filename));
+                            fs.mkdirSync(path.dirname(filename), { recursive: true });
                             return filename;
                         };
 
                         return {
                             name: filename,
-                            createReadStream: function(cfg){
+                            createReadStream: function(){
                                 return fs.createReadStream(ensurePathWritable(filename))
                                     .on('error', function(e){
                                         console.log('error createReadStream: '+filename);
@@ -329,7 +328,7 @@ describe('Storage', function () {
                                     })
                                 ;
                             },
-                            createWriteStream: function(cfg){
+                            createWriteStream: function(){
                                 return fs.createWriteStream(ensurePathWritable(filename));
                             },
                             delete: function(cb){