Disabling the pull button if there is no remote

Returning null from RepositoryManager if there are no repositories

Author: StanleyGoldman

src/GitHub.Api/RepositoryManager.cs

@@ -519,7 +519,13 @@ private void LoadRemotesFromConfig()
                 return remote;
             }
 
-            return config.GetRemotes().FirstOrDefault();
+            var configRemotes = config.GetRemotes().ToArray();
+            if (configRemotes.Any())
+            {
+                return configRemotes.First();
+            }
+
+            return null;
         }
 
         private ConfigBranch? GetActiveBranch()

src/UnityExtension/Assets/Editor/GitHub.Unity/UI/HistoryView.cs

@@ -330,7 +330,7 @@ public void OnEmbeddedGUI()
                 }
 
                 var pushButtonText = statusAhead > 0 ? String.Format(PushButtonCount, statusAhead) : PushButton;
-                GUI.enabled = statusBehind == 0;
+                GUI.enabled = currentRemote != null && statusBehind == 0;
                 var pushClicked = GUILayout.Button(pushButtonText, Styles.HistoryToolbarButtonStyle);
                 GUI.enabled = true;
                 if (pushClicked &&