Display all package versions in solution when calling Get-Package cmdlet.

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

@@ -77,18 +77,26 @@ namespace ICSharpCode.PackageManagement.Cmdlets
 		protected override void ProcessRecord()
 		{
 			ValidateParameters();
-			IEnumerable<IPackage> packages = GetFilteredPackages();
+			IEnumerable<IPackage> packages = GetPackagesForDisplay();
 			WritePackagesToOutputPipeline(packages);
 		}
 		
-		IEnumerable<IPackage> GetFilteredPackages()
+		IEnumerable<IPackage> GetPackagesForDisplay()
 		{
 			IQueryable<IPackage> packages = GetPackages();
 			packages = OrderPackages(packages);
-			IEnumerable<IPackage> distinctPackages = packages.DistinctLast(PackageEqualityComparer.Id);
+			IEnumerable<IPackage> distinctPackages = DistinctPackagesById(packages);
 			return SelectPackageRange(distinctPackages);
 		}
 		
+		IEnumerable<IPackage> DistinctPackagesById(IQueryable<IPackage> packages)
+		{
+			if (ListAvailable.IsPresent) {
+				return packages.DistinctLast(PackageEqualityComparer.Id);
+			}
+			return packages;
+		}
+		
 		void ValidateParameters()
 		{
 			if (ParametersRequireProject()) {

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

@@ -589,5 +589,23 @@ namespace PackageManagement.Cmdlets.Tests
 			
 			CollectionAssert.AreEqual(expectedPackages, actualPackages);
 		}
+		
+		[Test]
+		public void ProcessRecord_NoParametersPassedWhenMultipleVersionsOfPackageInstalledInSolution_ReturnsAllPackageVersions()
+		{
+			CreateCmdlet();
+			FakePackage expectedPackage1 = fakeSolution.AddPackageToSharedLocalRepository("One", "1.0");
+			FakePackage expectedPackage2 = fakeSolution.AddPackageToSharedLocalRepository("One", "1.1");
+			
+			RunCmdlet();
+			
+			List<object> actualPackages = fakeCommandRuntime.ObjectsPassedToWriteObject;
+			var expectedPackages = new FakePackage[] {
+				expectedPackage1,
+				expectedPackage2
+			};
+			
+			CollectionAssert.AreEqual(expectedPackages, actualPackages);
+		}
 	}
 }