Adding null check for tag input in DockerV2 - Porting to release (#14266)

* Adding null check for tag input in DockerV2

* Adding null check in docker push

Author: shigupt202

Tasks/DockerV2/dockerbuild.ts

@@ -51,7 +51,10 @@ export function run(connection: ContainerConnection, outputUpdate: (data: string
         imageNames.forEach(imageName => {
             if (tags && tags.length > 0) {
                 tags.forEach(tag => {
-                    tagArguments.push(imageName + ":" + tag);
+                    if(tag)
+                    {
+                        tagArguments.push(imageName + ":" + tag);
+                    }
                 });
             }
             else {

Tasks/DockerV2/dockerpush.ts

@@ -22,15 +22,17 @@ function pushMultipleImages(connection: ContainerConnection, imageNames: string[
         imageNames.forEach(imageName => {
             if (tags && tags.length > 0) {
                 tags.forEach(tag => {
-                    let imageNameWithTag = imageName + ":" + tag;
-                    tl.debug("Pushing ImageNameWithTag: " + imageNameWithTag);
-                    if (promise) {
-                        promise = promise.then(() => {
-                            return dockerCommandUtils.push(connection, imageNameWithTag, commandArguments, onCommandOut)
-                        });
-                    }
-                    else {
-                        promise = dockerCommandUtils.push(connection, imageNameWithTag, commandArguments, onCommandOut);
+                    if (tag) {
+                        let imageNameWithTag = imageName + ":" + tag;
+                        tl.debug("Pushing ImageNameWithTag: " + imageNameWithTag);
+                        if (promise) {
+                            promise = promise.then(() => {
+                                return dockerCommandUtils.push(connection, imageNameWithTag, commandArguments, onCommandOut)
+                            });
+                        }
+                        else {
+                            promise = dockerCommandUtils.push(connection, imageNameWithTag, commandArguments, onCommandOut);
+                        }
                     }
                 });
             }

Tasks/DockerV2/task.json

@@ -14,7 +14,7 @@
     "version": {
         "Major": 2,
         "Minor": 181,
-        "Patch": 0
+        "Patch": 2
     },
     "minimumAgentVersion": "2.172.0",
     "demands": [],

Tasks/DockerV2/task.loc.json

@@ -14,7 +14,7 @@
   "version": {
     "Major": 2,
     "Minor": 181,
-    "Patch": 0
+    "Patch": 2
   },
   "minimumAgentVersion": "2.172.0",
   "demands": [],