Changing the host verbosity flag to -d|--diagnostics from -v|--verbosity so that it is not confused with the verbs verbosity flag.

src/dotnet/Program.cs

@@ -116,7 +116,7 @@ namespace Microsoft.DotNet.Cli
             {
                 for (; lastArg < args.Length; lastArg++)
                 {
-                    if (IsArg(args[lastArg], "v", "verbose"))
+                    if (IsArg(args[lastArg], "d", "diagnostics"))
                     {
                         verbose = true;
                     }

src/dotnet/commands/dotnet-help/HelpCommand.cs

@@ -21,7 +21,7 @@ namespace Microsoft.DotNet.Tools.Help
   -h|--help             {LocalizableStrings.HelpDefinition} 
 
 {LocalizableStrings.HostOptions}:
-  -v|--verbose          {LocalizableStrings.VerboseDefinition}
+  -d|--diagnostics      {LocalizableStrings.DiagnosticsDefinition}
   --version             {LocalizableStrings.VersionDescription}
   --info                {LocalizableStrings.InfoDescription}
 

src/dotnet/commands/dotnet-help/LocalizableStrings.cs

@@ -18,6 +18,8 @@
 
         public const string VerboseDefinition = "Enable verbose output";
 
+        public const string DiagnosticsDefinition = "Enable diagnostics output";
+
         public const string HelpDefinition = "Show help";
 
         public const string HostOptions = "Host options (passed before the command)";

test/EndToEnd/GivenDotNetUsesMSBuild.cs

@@ -109,7 +109,7 @@ namespace Microsoft.DotNet.Tests.EndToEnd
             new DotnetCommand()
                 .WithWorkingDirectory(testProjectDirectory)
                 .ExecuteWithCapturedOutput(
-                    $"-v dependency-tool-invoker -c {configuration} -f netcoreapp1.0 portable")
+                    $"-d dependency-tool-invoker -c {configuration} -f netcoreapp1.0 portable")
                 .Should().Pass()
                      .And.HaveStdOutContaining("Hello Portable World!");;
         }