Show line being executed in the console window when a PowerShell script has a runtime error.

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

@@ -49,6 +49,7 @@
     <Compile Include="Src\InstallPackageCmdlet.cs" />
     <Compile Include="Src\ITerminatingCmdlet.cs" />
     <Compile Include="Src\PackageManagementCmdlet.cs" />
+    <Compile Include="Src\RuntimeExceptionErrorMessage.cs" />
     <Compile Include="Src\UninstallPackageCmdlet.cs" />
     <Compile Include="Src\UpdatePackageCmdlet.cs" />
   </ItemGroup>

src/AddIns/Misc/PackageManagement/Cmdlets/Project/Src/PackageManagementCmdlet.cs

@@ -90,7 +90,13 @@ namespace ICSharpCode.PackageManagement.Cmdlets
 		
 		public void InvokeScript(string script)
 		{
-			InvokeCommand.InvokeScript(script);
+			try {
+				InvokeCommand.InvokeScript(script);
+			} catch (RuntimeException ex) {
+				var errorMessage = new RuntimeExceptionErrorMessage(ex);
+				WriteWarning(errorMessage.ToString());
+				throw;
+			}
 		}
 	}
 }

src/AddIns/Misc/PackageManagement/Cmdlets/Project/Src/RuntimeExceptionErrorMessage.cs

@@ -0,0 +1,46 @@
+// 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.Management.Automation;
+using System.Text;
+
+namespace ICSharpCode.PackageManagement.Cmdlets
+{
+	public class RuntimeExceptionErrorMessage
+	{
+		StringBuilder message = new StringBuilder();
+		
+		public RuntimeExceptionErrorMessage(RuntimeException ex)
+		{
+			CreateErrorMessage(ex);
+		}
+		
+		void CreateErrorMessage(RuntimeException ex)
+		{
+			message.AppendLine(ex.Message);
+			AppendErrorRecord(ex.ErrorRecord);
+		}
+		
+		void AppendErrorRecord(ErrorRecord errorRecord)
+		{
+			if (errorRecord != null) {
+				AppendInvocationInfo(errorRecord.InvocationInfo);
+			}
+		}
+		
+		void AppendInvocationInfo(InvocationInfo invocationInfo)
+		{
+			if (invocationInfo != null) {
+				message.AppendLine(invocationInfo.PositionMessage);
+				message.AppendLine("Script Line: " + invocationInfo.ScriptLineNumber);
+				message.AppendLine("Script Name: " + invocationInfo.ScriptName);
+			}
+		}
+		
+		public override string ToString()
+		{
+			return message.ToString();
+		}
+	}
+}