Adding deploymentKey param

CodePush.ios.js

@@ -6,13 +6,21 @@ var packageMixins = require("./package-mixins")(NativeCodePush);
 var requestFetchAdapter = require("./request-fetch-adapter.js");
 var Sdk = require("code-push/script/acquisition-sdk").AcquisitionManager;
 
-function checkForUpdate() {
+function checkForUpdate(deploymentKey) {
   var config;
   var sdk;
   
   return getConfiguration()
           .then((configResult) => {
             config = configResult;
+            
+            // If a deployment key was explicitly provided,
+            // then let's override the one we retrieved
+            // from the native-side of the app.
+            if (deploymentKey) {
+              config.deploymentKey = deploymentKey;  
+            }
+            
             return getSdk();
           })
           .then((sdkResult) => {
@@ -51,12 +59,10 @@ function checkForUpdate() {
           });
 }
 
-var isConfigValid = true;
-
 var getConfiguration = (() => {
   var config;
   return function getConfiguration() {
-    if (config && isConfigValid) {
+    if (config) {
       return Promise.resolve(config);
     } else if (testConfig) {
       return Promise.resolve(testConfig);
@@ -64,7 +70,6 @@ var getConfiguration = (() => {
       return NativeCodePush.getConfiguration()
         .then((configuration) => {
           if (!config) config = configuration;
-          isConfigValid = true;
           return config;
         });
     }
@@ -136,6 +141,7 @@ function setUpTestDependencies(providedTestSdk, providedTestConfig, testNativeBr
 function sync(options = {}, syncStatusChangeCallback, downloadProgressCallback) {  
   var syncOptions = {
     
+    deploymentKey: null,
     ignoreFailedUpdates: true,
     installMode: CodePush.InstallMode.ON_NEXT_RESTART,
     rollbackTimeout: 0,
@@ -191,7 +197,7 @@ function sync(options = {}, syncStatusChangeCallback, downloadProgressCallback)
   
   return new Promise((resolve, reject) => {
     syncStatusChangeCallback(CodePush.SyncStatus.CHECKING_FOR_UPDATE);
-    checkForUpdate()
+    checkForUpdate(syncOptions.deploymentKey)
       .then((remotePackage) => {
         var doDownloadAndInstall = () => {
           syncStatusChangeCallback(CodePush.SyncStatus.DOWNLOADING_PACKAGE);