Introducing a separate script that initializes the projects that are going to be packaged, so that it can be shared between build and pack.

packaging/nuget/package.ps1

@@ -14,22 +14,14 @@ if ($versionSuffix -ne "") {
 }
 
 . "$PSScriptRoot\..\..\scripts\common\_common.ps1"
+. "$REPOROOT\scripts\package\projectsToPack.ps1"
 
 $IntermediatePackagesDir = "$RepoRoot\artifacts\packages\intermediate"
 $PackagesDir = "$RepoRoot\artifacts\packages"
 
 New-Item -ItemType Directory -Force -Path $IntermediatePackagesDir
 
-$Projects = @(
-    "Microsoft.DotNet.Cli.Utils",
-    "Microsoft.DotNet.ProjectModel",
-    "Microsoft.DotNet.ProjectModel.Loader",
-    "Microsoft.DotNet.ProjectModel.Workspaces",
-    "Microsoft.Extensions.DependencyModel",
-    "Microsoft.Extensions.Testing.Abstractions"
-)
-
-foreach ($ProjectName in $Projects) {
+foreach ($ProjectName in $ProjectsToPack) {
     $ProjectFile = "$RepoRoot\src\$ProjectName\project.json"
 
     & $toolsDir\dotnet pack "$ProjectFile" --basepath "$Stage2CompilationDir\bin" --output "$IntermediatePackagesDir" --configuration "$Configuration" $versionArg

scripts/compile/compile-stage.ps1

@@ -12,6 +12,8 @@ param(
     [Parameter(Mandatory=$true)][string]$HostDir,
     [Parameter(Mandatory=$true)][string]$CompilationOutputDir)
 
+. $REPOROOT\scripts\package\projectsToPack.ps1
+
 $Projects = @(
     "Microsoft.DotNet.Cli",
     "Microsoft.DotNet.Cli.Utils",
@@ -35,16 +37,6 @@ $Projects = @(
     "Microsoft.Extensions.Testing.Abstractions"
 )
 
-# We need to keep the building of these projects in a separate step so that they can be signed.
-$ProjectsToPack = @(
-    "Microsoft.DotNet.Cli.Utils",
-    "Microsoft.DotNet.ProjectModel",
-    "Microsoft.DotNet.ProjectModel.Loader",
-    "Microsoft.DotNet.ProjectModel.Workspaces",
-    "Microsoft.Extensions.DependencyModel",
-    "Microsoft.Extensions.Testing.Abstractions"
-)
-
 $BinariesForCoreHost = @(
     "csi"
     "csc"

scripts/package/projectsToPack.ps1

@@ -0,0 +1,11 @@
+# Copyright (c) .NET Foundation and contributors. All rights reserved.
+# Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+$ProjectsToPack = @(
+    "Microsoft.DotNet.Cli.Utils",
+    "Microsoft.DotNet.ProjectModel",
+    "Microsoft.DotNet.ProjectModel.Loader",
+    "Microsoft.DotNet.ProjectModel.Workspaces",
+    "Microsoft.Extensions.DependencyModel",
+    "Microsoft.Extensions.Testing.Abstractions"
+)