Support showing updated pre-release packages with Get-Package cmdlet.

Get-Package -Updates -Prerelease

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

@@ -45,7 +45,7 @@ namespace ICSharpCode.PackageManagement.Cmdlets
 		public SwitchParameter Updates { get; set; }
 		
 		[Parameter(ParameterSetName = "Available")]
-		[Parameter(ParameterSetName = "Updates")]
+		[Parameter(ParameterSetName = "Updated")]
 		[Alias("Prerelease")]
 		public SwitchParameter IncludePrerelease { get; set; }
 		
@@ -170,7 +170,9 @@ namespace ICSharpCode.PackageManagement.Cmdlets
 			IPackageRepository repository = CreatePackageRepositoryForActivePackageSource();
 			UpdatedPackages updatedPackages = CreateUpdatedPackages(repository);
 			updatedPackages.SearchTerms = Filter;
-			return updatedPackages.GetUpdatedPackages().AsQueryable();
+			return updatedPackages
+				.GetUpdatedPackages(IncludePrerelease.IsPresent)
+				.AsQueryable();
 		}
 		
 		UpdatedPackages CreateUpdatedPackages(IPackageRepository repository)

src/AddIns/Misc/PackageManagement/Cmdlets/Test/Src/GetPackageCmdletTests.cs

@@ -620,5 +620,43 @@ namespace PackageManagement.Cmdlets.Tests
 			
 			CollectionAssert.AreEqual(expectedPackages, actualPackages);
 		}
+		
+		[Test]
+		public void ProcessRecord_UpdatedPackagesIncludingPrereleasesRequestedAndNoProjectName_ReturnsUpdatedPrereleasePackagesForSolution()
+		{
+			CreateCmdlet();
+			AddPackageToSolution("Test", "1.0.0.0");
+			FakePackage updatedPackage = AddPackageToSelectedRepositoryInConsoleHost("Test", "1.1.0-alpha");
+			EnableUpdatesParameter();
+			EnablePrereleaseParameter();
+			
+			RunCmdlet();
+			
+			List<object> actualPackages = fakeCommandRuntime.ObjectsPassedToWriteObject;
+			var expectedPackages = new FakePackage[] {
+				updatedPackage
+			};
+			
+			CollectionAssert.AreEqual(expectedPackages, actualPackages);
+		}
+		
+		[Test]
+		public void ProcessRecord_UpdatedPackagesOnlyRequestedAndNoProjectNameAndRepositoryHasPrereleases_ReturnsUpdatedPackagesButNoPrereleasesForSolution()
+		{
+			CreateCmdlet();
+			AddPackageToSolution("Test", "1.0.0.0");
+			AddPackageToSelectedRepositoryInConsoleHost("Test", "1.2.0-alpha");
+			FakePackage updatedPackage = AddPackageToSelectedRepositoryInConsoleHost("Test", "1.1.0");
+			EnableUpdatesParameter();
+			
+			RunCmdlet();
+			
+			List<object> actualPackages = fakeCommandRuntime.ObjectsPassedToWriteObject;
+			var expectedPackages = new FakePackage[] {
+				updatedPackage
+			};
+			
+			CollectionAssert.AreEqual(expectedPackages, actualPackages);
+		}
 	}
 }