Don't show Create NuGet Package command on unloaded projects

Author: kzu

src/VisualStudio/NuGet.Packaging.VisualStudio.15/Templates/Projects/Nuget/Package/Readme.txt

@@ -4,6 +4,6 @@ Building this project will create a .nupkg containing just this Readme file.
 
 It's always a good idea to provide a more useful package to your users, 
 alongside a nice descriptive Readme like this one that will open automatically
-when the add your package to a project.
+when they add your package to a project.
 
 Happy nugetizing!

src/VisualStudio/NuGet.Packaging.VisualStudio.15/project.json

@@ -1,27 +1,28 @@
 {
-	"dependencies": {
-		"Clarius.VisualStudio": "1.3.7",
-		"Clide.Installer": "3.0.105-pre",
-		"GitInfo": "1.1.32",
-		"Merq": "1.1.3-alpha",
-		"Merq.Async": "1.1.3-alpha",
-		"Microsoft.Build": "15.1.262-preview5",
-		"Microsoft.VisualStudio.ProjectSystem.SDK": "15.0.594-pre",
-		"Microsoft.VisualStudio.Shell.14.0": "14.3.25407",
-		"Microsoft.VisualStudio.Shell.Interop.11.0": "11.0.61030",
-		"Microsoft.VSSDK.BuildTools": "15.0.26201",
-		"MSBuilder.DumpItems": "0.2.1",
-		"MSBuilder.Introspect": "0.1.5",
-		"MSBuilder.ThisAssembly.Project": "0.3.1",
-		"MSBuilder.VsixDependency": "0.2.2",
-		"MSBuilder.VsixInstaller": "0.2.9",
-		"VSLangProj150": "1.0.0",
-		"VSSDK.ComponentModelHost.11": "11.0.4"
-	},
-	"frameworks": {
-		"net46": {}
-	},
-	"runtimes": {
-		"win": {}
-	}
+  "dependencies": {
+    "Clarius.VisualStudio": "1.3.7",
+    "Clide": "3.0.106-pre",
+    "Clide.Installer": "3.0.106-pre",
+    "GitInfo": "1.1.32",
+    "Merq": "1.1.3-alpha",
+    "Merq.Async": "1.1.3-alpha",
+    "Microsoft.Build": "15.1.262-preview5",
+    "Microsoft.VisualStudio.ProjectSystem.SDK": "15.0.594-pre",
+    "Microsoft.VisualStudio.Shell.14.0": "14.3.25407",
+    "Microsoft.VisualStudio.Shell.Interop.11.0": "11.0.61030",
+    "Microsoft.VSSDK.BuildTools": "15.0.26201",
+    "MSBuilder.DumpItems": "0.2.1",
+    "MSBuilder.Introspect": "0.1.5",
+    "MSBuilder.ThisAssembly.Project": "0.3.1",
+    "MSBuilder.VsixDependency": "0.2.4",
+    "MSBuilder.VsixInstaller": "0.2.9",
+    "VSLangProj150": "1.0.0",
+    "VSSDK.ComponentModelHost.11": "11.0.4"
+  },
+  "frameworks": {
+    "net46": {}
+  },
+  "runtimes": {
+    "win": {}
+  }
 }

src/VisualStudio/NuGet.Packaging.VisualStudio.Shared.targets

@@ -9,7 +9,8 @@
 
 	<PropertyGroup>
 		<DeployExtension Condition="'$(Configuration)' != 'Debug' Or '$(VisualStudioVersion)' != '$(TargetVSVersion)'" >false</DeployExtension>
-
+		<SkipValidatePackageReferences>true</SkipValidatePackageReferences>
+		
 		<StartAction>Program</StartAction>
 		<StartProgram Condition="'$(VisualStudioVersion)' &lt; '15.0'">$(MSBuildProgramFiles32)\Microsoft Visual Studio $(VisualStudioVersion)\Common7\IDE\devenv.exe</StartProgram>
 		<StartProgram Condition="'$(VisualStudioVersion)' &gt;= '15.0'">$(VsInstallRoot)\Common7\IDE\devenv.exe</StartProgram>
@@ -130,4 +131,13 @@
 		</ItemGroup>
 	</Target>
 
+	<Target Name="CopyLocalAssemblies" AfterTargets="ResolveNuGetPackageAssets">
+		<ItemGroup>
+			<Reference Condition=" '%(Filename)' == 'Clide.Interfaces' ">
+				<CopyLocal>true</CopyLocal>
+				<Private>true</Private>
+			</Reference>
+		</ItemGroup>
+	</Target>
+
 </Project>

src/VisualStudio/NuGet.Packaging.VisualStudio/Commands/CreateNuGetPackageCommand.cs

@@ -39,6 +39,9 @@ public CreateNuGetPackageCommand(
 
 		protected override void Execute()
 		{
+			if (ActiveProject == null)
+				return;
+
 			var project = ActiveProject.As<EnvDTE.Project>();
 			var vsBuildPropertyStorage = ActiveProject.AsVsHierarchy() as IVsBuildPropertyStorage;
 			if (vsBuildPropertyStorage != null)
@@ -72,6 +75,6 @@ protected override void CanExecute(OleMenuCommand command) =>
 
 		IProjectNode ActiveProject => solutionExplorer.Solution.ActiveProject;
 
-		bool CanExecute() => KnownUIContexts.SolutionExistsAndNotBuildingAndNotDebuggingContext.IsActive;
+		bool CanExecute() => KnownUIContexts.SolutionExistsAndNotBuildingAndNotDebuggingContext.IsActive && ActiveProject != null;
 	}
 }

src/VisualStudio/NuGet.Packaging.VisualStudio/NuGet.Packaging.VisualStudio.targets

@@ -1,5 +1,9 @@
 <?xml version="1.0" encoding="utf-8" standalone="no"?>
 <Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+	<PropertyGroup>
+		<SkipValidatePackageReferences>true</SkipValidatePackageReferences>
+	</PropertyGroup>
 
 	<!-- Because envdte comes from a nuget package, we can't set the EmbedInteropTypes to true in the project, so we do it here -->
 	<Target Name="EmbedInteropTypes" AfterTargets="ResolveNuGetPackageAssets">
@@ -12,5 +16,14 @@
 			</Reference>
 		</ItemGroup>
 	</Target>
-	
+
+	<Target Name="CopyLocalAssemblies" AfterTargets="ResolveNuGetPackageAssets">
+		<ItemGroup>
+			<Reference Condition=" '%(Filename)' == 'Clide.Interfaces' ">
+				<CopyLocal>true</CopyLocal>
+				<Private>true</Private>
+			</Reference>
+		</ItemGroup>
+	</Target>
+
 </Project>

src/VisualStudio/NuGet.Packaging.VisualStudio/project.json

@@ -1,6 +1,6 @@
 {
   "dependencies": {
-    "Clide": "3.0.105-pre",
+    "Clide": "3.0.106-pre",
     "GitInfo": "1.1.32",
     "Merq": "1.1.3-alpha",
     "Microsoft.VisualStudio.Shell.14.0": "14.3.25407",