Reduce number of times VSO commands are issued

Author: natemcmaster

Directory.Build.targets

@@ -1,5 +1,5 @@
-<Project InitialTargets="UpdateCiSettings">
-  <Target Name="UpdateCiSettings" Condition="'$(CI)' == 'true'">
+<Project>
+  <Target Name="UpdateCiSettings" Condition="'$(CI)' == 'true' AND '$(OS)' == 'Windows_NT' AND '$(IsPackable)' == 'true'">
     <Message Importance="High" Text="##vso[build.updatebuildnumber]$(PackageVersion)" />
     <!-- These tags can be used in Azure release pipelines to filter actions based on the type of build. -->
     <Message Importance="high" Text="##vso[build.addbuildtag]daily-build" Condition=" '$(IsStableBuild)' != 'true' AND '$(BUILD_REASON)' != 'PullRequest' " />

build.ps1

@@ -69,7 +69,7 @@ if ($CodeSign) {
 $artifacts = "$PSScriptRoot/artifacts/"
 
 Remove-Item -Recurse $artifacts -ErrorAction Ignore
-
+exec dotnet msbuild /t:UpdateCiSettings @MSBuildArgs
 exec dotnet build --configuration $Configuration '-warnaserror:CS1591' @MSBuildArgs
 exec dotnet pack --no-restore --no-build --configuration $Configuration -o $artifacts @MSBuildArgs