Fixed config.replace. Should fix #633

Author: pgte

src/config/replace.js

@@ -2,17 +2,15 @@
 
 const streamifier = require('streamifier')
 const promisify = require('promisify-es6')
+const SendOneFile = require('../utils/send-one-file')
 
 module.exports = (send) => {
+  const sendOneFile = SendOneFile(send, 'config/replace')
   return promisify((config, callback) => {
     if (typeof config === 'object') {
       config = streamifier.createReadStream(Buffer.from(JSON.stringify(config)))
     }
 
-    send({
-      path: 'config/replace',
-      files: config,
-      buffer: true
-    }, callback)
+    sendOneFile(config, {}, callback)
   })
 }