clear updates when app version changes

Author: geof90

CodePush.js

@@ -40,7 +40,7 @@ async function checkForUpdate(deploymentKey = null) {
    * in any updates for current app store version, regardless of hash.
    */
   let queryPackage;
-  if (localPackage && localPackage.appVersion && localPackage.appVersion === config.appVersion) {
+  if (localPackage) {
     queryPackage = localPackage;
   } else {
     queryPackage = { appVersion: config.appVersion };

android/app/src/main/java/com/microsoft/codepush/react/CodePush.java

@@ -162,7 +162,7 @@ public String getBundleUrl(String assetsBundleFileName) {
             } else {
                 // The binary version is newer.
                 didUpdate = false;
-                if (!this.isDebugMode) {
+                if (!this.isDebugMode || !this.appVersion.equals(packageAppVersion)) {
                     this.clearUpdates();
                 }
 

ios/CodePush/CodePush.m

@@ -100,10 +100,15 @@ + (NSURL *)bundleURLForResource:(NSString *)resourceName
         isRunningBinaryVersion = NO;
         return packageUrl;
     } else {
+        BOOL isRelease = NO;
 #ifndef DEBUG
-        [CodePush clearUpdates];
+        isRelease = YES;
 #endif
 
+        if (isRelease || ![binaryAppVersion isEqualToString:packageAppVersion]) {
+            [CodePush clearUpdates];
+        }
+        
         NSLog(logMessageFormat, binaryBundleURL);
         isRunningBinaryVersion = YES;
         return binaryBundleURL;