Return the NuGet version number for the PowerShell host version.

src/AddIns/Misc/PackageManagement/Project/PackageManagement.csproj

@@ -179,6 +179,7 @@
     <Compile Include="Src\Scripting\IPackageScriptFactory.cs" />
     <Compile Include="Src\Scripting\IPackageScriptFileName.cs" />
     <Compile Include="Src\Scripting\IPackageScriptSession.cs" />
+    <Compile Include="Src\Scripting\NuGetVersion.cs" />
     <Compile Include="Src\Scripting\PackageInitializeScript.cs" />
     <Compile Include="Src\Scripting\PackageInitializeScriptFileName.cs" />
     <Compile Include="Src\Scripting\PackageInstallScript.cs" />

src/AddIns/Misc/PackageManagement/Project/Src/Scripting/IPowerShellHost.cs

@@ -9,6 +9,7 @@ namespace ICSharpCode.PackageManagement.Scripting
 	public interface IPowerShellHost
 	{
 		IList<string> ModulesToImport { get; }
+		Version Version { get; }
 		
 		void SetRemoteSignedExecutionPolicy();
 		void UpdateFormatting(IEnumerable<string> formattingFiles);

src/AddIns/Misc/PackageManagement/Project/Src/Scripting/NuGetVersion.cs

@@ -0,0 +1,24 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+using System.Reflection;
+using NuGet;
+
+namespace ICSharpCode.PackageManagement.Scripting
+{
+	public static class NuGetVersion
+	{
+		static readonly Version version;
+		
+		static NuGetVersion()
+		{
+			AssemblyName name = typeof(PackageSource).Assembly.GetName();
+			version = name.Version;
+		}
+		
+		public static Version Version {
+			get { return version; }
+		}
+	}
+}

src/AddIns/Misc/PackageManagement/Project/Src/Scripting/PackageManagementConsoleHost.cs

@@ -3,7 +3,6 @@
 
 using System;
 using System.Collections.Generic;
-using System.Reflection;
 using System.Threading;
 
 using ICSharpCode.AvalonEdit;
@@ -23,7 +22,6 @@ namespace ICSharpCode.PackageManagement.Scripting
 		IPackageManagementAddInPath addinPath;
 		int autoIndentSize = 0;
 		string prompt = "PM> ";
-		Version nuGetVersion;
 		
 		public PackageManagementConsoleHost(
 			IPackageManagementSolution solution,
@@ -123,19 +121,10 @@ namespace ICSharpCode.PackageManagement.Scripting
 		
 		void WriteNuGetVersionInfo()
 		{
-			string versionInfo = String.Format("NuGet {0}", GetNuGetVersion());
+			string versionInfo = String.Format("NuGet {0}", powerShellHost.Version);
 			WriteLine(versionInfo);
 		}
 		
-		protected virtual Version GetNuGetVersion()
-		{
-			if (nuGetVersion == null) {
-				AssemblyName name = typeof(PackageSource).Assembly.GetName();
-				nuGetVersion = name.Version;
-			}
-			return nuGetVersion;
-		}
-		
 		void WriteLine(string message)
 		{
 			ScriptingConsole.WriteLine(message, ScriptingStyle.Out);

src/AddIns/Misc/PackageManagement/Project/Src/Scripting/PowerShellHost.cs

@@ -21,7 +21,6 @@ namespace ICSharpCode.PackageManagement.Scripting
 		CultureInfo currentUICulture = Thread.CurrentThread.CurrentUICulture;
 		CultureInfo currentCulture = Thread.CurrentThread.CurrentCulture;
 		Guid instanceId = Guid.NewGuid();
-		Version version = new Version(0, 1);
 		Runspace runspace;
 		PowerShellHostUserInterface userInterface;
 		List<string> modulesToImport = new List<string>();
@@ -97,7 +96,7 @@ namespace ICSharpCode.PackageManagement.Scripting
 		}
 		
 		public override Version Version {
-			get { return version; }
+			get { return NuGetVersion.Version; }
 		}
 		
 		public override PSHostUserInterface UI {

src/AddIns/Misc/PackageManagement/Test/Src/Helpers/FakePowerShellHost.cs

@@ -9,6 +9,11 @@ namespace PackageManagement.Tests.Helpers
 {
 	public class FakePowerShellHost : IPowerShellHost
 	{
+		public FakePowerShellHost()
+		{
+			Version = new Version(1, 0);
+		}
+		
 		public bool IsSetRemoteSignedExecutionPolicyCalled;
 		
 		public void SetRemoteSignedExecutionPolicy()
@@ -37,5 +42,7 @@ namespace PackageManagement.Tests.Helpers
 		{
 			FormattingFilesPassedToUpdateFormatting = formattingFiles;
 		}
+		
+		public Version Version { get; set; }
 	}
 }

src/AddIns/Misc/PackageManagement/Test/Src/Helpers/TestablePackageManagementConsoleHost.cs

@@ -51,13 +51,6 @@ namespace PackageManagement.Tests.Helpers
 			return FakeThread;
 		}
 		
-		public Version VersionToReturnFromGetNuGetVersion = new Version("1.2");
-		
-		protected override Version GetNuGetVersion()
-		{
-			return VersionToReturnFromGetNuGetVersion;
-		}
-		
 		public string TextToReturnFromGetHelpInfo = String.Empty;
 		
 		protected override string GetHelpInfo()

src/AddIns/Misc/PackageManagement/Test/Src/Scripting/PackageManagementConsoleHostTests.cs

@@ -218,7 +218,7 @@ namespace PackageManagement.Tests.Scripting
 		public void Run_TextDisplayedBeforeFirstPromptDisplayed_NuGetVersionDisplayed()
 		{
 			CreateHost();
-			host.VersionToReturnFromGetNuGetVersion = new Version("1.2.0.4");
+			powerShellHost.Version = new Version("1.2.0.4");
 			RunHost();
 			
 			string expected = "NuGet 1.2.0.4";