update dependency restify-clients to 4.0.0

lib/docker-json-client.js

@@ -80,8 +80,12 @@ DockerJsonClient.prototype.write = function write(options, body, callback) {
     return (this._super.write.call(this, options, resBody, callback));
 };
 
+DockerJsonClient.prototype.parse2 = function parse2(err, req, res, callback) {
+    if (!callback && req instanceof Function) {
+        callback = req;
+        req = undefined;
+    }
 
-DockerJsonClient.prototype.parse = function parse(req, callback) {
     function parseResponse(err, res) {
         var chunks = []; // gunzipped response chunks (Buffer objects)
         var len = 0; // accumulated count of chunk lengths
@@ -171,7 +175,6 @@ DockerJsonClient.prototype.parse = function parse(req, callback) {
             callback(resErr, req, res, obj, body);
         }
 
-
         if (!res) {
             // Early out if we didn't even get a response.
             callback(resErr, req);
@@ -210,10 +213,24 @@ DockerJsonClient.prototype.parse = function parse(req, callback) {
         });
     }
 
-    return (parseResponse);
-};
+    return parseResponse(err, res);
 
+}
 
+DockerJsonClient.prototype.parse = function parse(err, req, res, callback) {
+    if (!callback && req instanceof Function) {
+        callback = req;
+        req = undefined;
+    }
+
+    return this.parse2(err, req, res, function parse2Callback(resErr, req, res, obj, body) {
+        if (obj) {
+            callback(resErr, obj);
+        } else {
+            callback(resErr, res, obj, body);
+        }
+    });
+}
 
 // --- Exports
 

lib/registry-client-v2.js

@@ -1602,8 +1602,7 @@ function _makeJsonRequest(opts, cb) {
             return;
         }
         // Parse the response body using the JSON client parser.
-        var parseFn = DockerJsonClient.prototype.parse.call(self._api, req, cb);
-        parseFn(err, res);
+        DockerJsonClient.prototype.parse2.call(self._api, err, req, res, cb);
         // Release the bulls!
         res.resume();
     });

package.json

@@ -10,7 +10,7 @@
         "bunyan": "1.x >=1.3.3",
         "jws": "3.1.0",
         "jwk-to-pem": "1.2.0",
-        "restify-clients": "^1.4.0",
+        "restify-clients": "^4.0.0",
         "restify-errors": "^3.0.0",
         "strsplit": "1.x",
         "tough-cookie": "2.0.x",