Work around dotnet publish bug

PowerShellEditorServices.build.ps1

@@ -107,8 +107,8 @@ task SetupDotNet -Before Clean, Build, TestServerWinPS, TestServerPS7, TestServe
     $dotnetExePath = if ($script:IsNix) { "$dotnetPath/dotnet" } else { "$dotnetPath/dotnet.exe" }
 
     if (!(Test-Path $dotnetExePath)) {
-        # TODO: Test .NET 5 with PowerShell 7.1, and add that channel here.
-        Install-Dotnet -Channel '3.1','release/6.0.1xx-preview2'
+        # TODO: Test .NET 5 with PowerShell 7.1
+        Install-Dotnet -Channel '3.1','5.0','6.0'
     }
 
     # This variable is used internally by 'dotnet' to know where it's installed
@@ -174,6 +174,7 @@ task GetProductVersion -Before PackageModule, UploadArtifacts {
 task CreateBuildInfo -Before Build {
     $buildVersion = "<development-build>"
     $buildOrigin = "Development"
+    $buildCommit = git rev-parse HEAD
 
     # Set build info fields on build platforms
     if ($env:TF_BUILD) {
@@ -215,6 +216,7 @@ namespace Microsoft.PowerShell.EditorServices.Hosting
     {
         public static readonly string BuildVersion = "$buildVersion";
         public static readonly string BuildOrigin = "$buildOrigin";
+        public static readonly string BuildCommit= "$buildCommit";
         public static readonly System.DateTime? BuildTime = System.DateTime.Parse("$buildTime", CultureInfo.InvariantCulture.DateTimeFormat);
     }
 }

src/PowerShellEditorServices.Hosting/BuildInfo.cs

@@ -7,6 +7,7 @@ public static class BuildInfo
         // TODO: Include a Git commit hash in this.
         public static readonly string BuildVersion = "<development-build>";
         public static readonly string BuildOrigin = "<development>";
+        public static readonly string BuildCommit= "<development>";
         public static readonly System.DateTime? BuildTime = System.DateTime.Parse("2019-12-06T21:43:41", CultureInfo.InvariantCulture.DateTimeFormat);
     }
 }

src/PowerShellEditorServices.Hosting/PowerShellEditorServices.Hosting.csproj

@@ -6,6 +6,18 @@
     <AssemblyName>Microsoft.PowerShell.EditorServices.Hosting</AssemblyName>
   </PropertyGroup>
 
+  <!-- HACK: This is a temporary workaround of `dotnet publish` -->
+  <Target Name="InjectNetStandardFacadesToPublishDirectory"
+          BeforeTargets="ComputeResolvedFilesToPublishList"
+          Condition="'@(_NETStandardLibraryNETFrameworkLib)' != ''">
+    <ItemGroup>
+      <_ResolvedCopyLocalPublishAssets
+        Include="@(_NETStandardLibraryNETFrameworkLib)"
+        Condition="'%(_NETStandardLibraryNETFrameworkLib.FileName)' != 'netfx.force.conflicts'"
+      />
+    </ItemGroup>
+  </Target>
+
   <PropertyGroup Condition=" '$(TargetFramework)' == 'netcoreapp3.1' ">
     <DefineConstants>$(DefineConstants);CoreCLR</DefineConstants>
   </PropertyGroup>