Several changes

package.json

@@ -115,7 +115,7 @@
       },
       {
         "command": "tfvc.Status",
-        "title": "tfvc status"
+        "title": "TFVC: Status"
       }
     ]
   },

src/helpers/strings.ts

@@ -54,9 +54,11 @@ export class Strings {
 
     // TFVC messages/errors
     static ChooseItemQuickPickPlaceHolder: string = "Choose a file to open it.";
+    static NotATfvcRepository: string = "The open folder is not a TFVC repository.  Please check the folder location and try again.";
     static TfvcLocationMissingError: string = "The path to the TFVC command line was not found in the user settings. Please set this value (tfvc.location) and try again.";
     static TfMissingError: string = "Unable to find the TF executable at the expected location. Please verify the installation and location of TF. Expected path: ";
     static TfExecFailedError: string = "Execution of the TFVC command line failed unexpectedly.";
     static TfVersionWarning: string = "The installed version of the TF command line does not meet the minimum suggested version. You may run into errors or limitations with certain commands until you upgrade. Minimum suggested version: ";
+    static TfNoPendingChanges: string = "There are no matching pending changes.";
 }
 /* tslint:enable:variable-name */

src/tfvc/tfvc.ts

@@ -118,6 +118,7 @@ export class Tfvc {
 
         if (result.exitCode) {
             let tfvcErrorCode: string = null;
+            let message: string;
 
             if (/Authentication failed/.test(result.stderr)) {
                 tfvcErrorCode = TfvcErrorCodes.AuthenticationFailed;
@@ -131,14 +132,17 @@ export class Tfvc {
                 tfvcErrorCode = TfvcErrorCodes.RepositoryNotFound;
             } else if (/unable to access/.test(result.stderr)) {
                 tfvcErrorCode = TfvcErrorCodes.CantAccessRemote;
+            } else if (/project collection URL to use could not be determined/i.test(result.stderr)) {
+                tfvcErrorCode = TfvcErrorCodes.NotATfvcRepository;
+                message = Strings.NotATfvcRepository;
             }
 
             if (options.log !== false) {
                 this.log(`${result.stderr}\n`);
             }
 
             return Promise.reject<IExecutionResult>(new TfvcError({
-                message: Strings.TfExecFailedError,
+                message: message || Strings.TfExecFailedError,
                 stdout: result.stdout,
                 stderr: result.stderr,
                 exitCode: result.exitCode,

src/tfvc/uihelper.ts

@@ -34,6 +34,14 @@ export class UIHelper {
                     }
                 }
             }
+        } else if (changes && changes.length === 0) {
+            let items: QuickPickItem[] = [];
+            items.push({
+                label: Strings.TfNoPendingChanges,
+                description: undefined,
+                detail: undefined
+            });
+            await window.showQuickPick(items);
         }
         return undefined;
     }