Display CLI and functions host version on func start Closes #590

Author: ahmelsayed

src/Azure.Functions.Cli/Actions/HelpAction.cs

@@ -144,9 +144,8 @@ private void DisplayGeneralHelp()
                 .Where(c => c != Context.None)
                 .Distinct()
                 .OrderBy(c => c.ToLowerCaseString());
+            Utilities.PrintVersion();
             ColoredConsole
-                .WriteLine($"Azure Functions Core Tools ({Constants.CliDisplayVersion})")
-                .WriteLine($"Function Runtime Version: {ScriptHost.Version}")
                 .WriteLine("Usage: func [context] [context] <action> [-/--options]")
                 .WriteLine();
             DisplayContextsHelp(contexts);

src/Azure.Functions.Cli/Actions/HostActions/StartHostAction.cs

@@ -205,6 +205,7 @@ public override async Task RunAsync()
 
             await PreRunConditions(workerRuntime);
             Utilities.PrintLogo();
+            Utilities.PrintVersion();
 
             var settings = SelfHostWebHostSettingsFactory.Create(Environment.CurrentDirectory);
 

src/Azure.Functions.Cli/Common/Utilities.cs

@@ -1,5 +1,7 @@
-using Colors.Net;
+using Azure.Functions.Cli.Common;
+using Colors.Net;
 using Colors.Net.StringColorExtensions;
+using Microsoft.Azure.WebJobs.Script;
 
 namespace Azure.Functions.Cli
 {
@@ -23,6 +25,13 @@ internal static void PrintLogo()
                 .WriteLine();
         }
 
+        internal static void PrintVersion()
+        {
+            ColoredConsole
+                .WriteLine($"Azure Functions Core Tools ({Constants.CliDisplayVersion})")
+                .WriteLine($"Function Runtime Version: {ScriptHost.Version}");
+        }
+
         private static RichString AlternateLogoColor(string str, int firstColorCount = -1)
         {
             if (str.Length == 1)