Add Dev Environments feature into main from feature branch

Build.ps1

@@ -26,7 +26,7 @@ Description:
 Options:
 
   -Platform <platform>
-      Only buil the selected platform(s)
+      Only build the selected platform(s)
       Example: -Platform x64
       Example: -Platform "x86,x64,arm64"
 
@@ -61,6 +61,22 @@ if (($BuildStep -ieq "all") -Or ($BuildStep -ieq "sdk")) {
   }
 }
 
+if (($BuildStep -ieq "all") -Or ($BuildStep -ieq "DevSetupAgent") -Or ($BuildStep -ieq "fullMsix")) {
+  foreach ($configuration in $env:Build_Configuration.Split(",")) {
+    # We use x86 DevSetupAgent for x64 and x86 Dev Home build. Only need to build it once if we are building multiple platforms. 
+    $builtX86 = $false
+    foreach ($platform in $env:Build_Platform.Split(",")) {
+      if ($Platform -ieq "arm64") {
+        HyperVExtension\BuildDevSetupAgentHelper.ps1 -Platform $Platform -Configuration $configuration -VersionOfSDK $env:sdk_version -SDKNugetSource $SDKNugetSource -AzureBuildingBranch $AzureBuildingBranch -IsAzurePipelineBuild $IsAzurePipelineBuild -BypassWarning
+      }
+      elseif (-not $builtX86) {
+        HyperVExtension\BuildDevSetupAgentHelper.ps1 -Platform "x86" -Configuration $configuration -VersionOfSDK $env:sdk_version -SDKNugetSource $SDKNugetSource -AzureBuildingBranch $AzureBuildingBranch -IsAzurePipelineBuild $IsAzurePipelineBuild -BypassWarning
+        $builtX86 = $true
+      }
+    }
+  }
+}
+
 $msbuildPath = &"${env:ProgramFiles(x86)}\Microsoft Visual Studio\Installer\vswhere.exe" -latest -prerelease -products * -requires Microsoft.Component.MSBuild -find MSBuild\**\Bin\MSBuild.exe
 if ($IsAzurePipelineBuild) {
   $nugetPath = "nuget.exe";
@@ -79,7 +95,7 @@ if (-not([string]::IsNullOrWhiteSpace($SDKNugetSource))) {
 . build\Scripts\CertSignAndInstall.ps1
 
 Try {
-  if (($BuildStep -ieq "all") -Or ($BuildStep -ieq "msix")) {
+  if (($BuildStep -ieq "all") -Or ($BuildStep -ieq "msix") -Or ($BuildStep -ieq "fullMsix")) {
     $buildRing = "Dev"
     $newPackageName = $null
     $newPackageDisplayName = $null

HyperVExtension/BuildDevSetupAgentHelper.cmd

@@ -0,0 +1,5 @@
+@echo off
+
+powershell -ExecutionPolicy Unrestricted -NoLogo -NoProfile -File %~dp0\BuildDevSetupAgentHelper.ps1 %*
+
+exit /b %ERRORLEVEL%

HyperVExtension/BuildDevSetupAgentHelper.ps1

@@ -0,0 +1,109 @@
+Param(
+    [string]$Platform = "x64",
+    [string]$Configuration = "debug",
+    [string]$VersionOfSDK,
+    [string]$SDKNugetSource,
+    [string]$Version,
+    [string]$BuildStep = "all",
+    [string]$AzureBuildingBranch = "main",
+    [switch]$IsAzurePipelineBuild = $false,
+    [switch]$BypassWarning = $false,
+    [switch]$Help = $false
+)
+
+$StartTime = Get-Date
+
+if ($Help) {
+  Write-Host @"
+Copyright (c) Microsoft Corporation.
+Licensed under the MIT License.
+
+Syntax:
+      BuildDevSetupAgentHelper.cmd [options]
+
+Description:
+      Builds DevSetupAgent.
+
+Options:
+
+  -Platform <platform>
+      Only build the selected platform(s)
+      Example: -Platform x64
+      Example: -Platform "x86,x64,arm64"
+
+  -Configuration <configuration>
+      Only build the selected configuration(s)
+      Example: -Configuration Release
+      Example: -Configuration "Debug,Release"
+
+  -Help
+      Display this usage message.
+"@
+  Exit
+}
+
+if (-not $BypassWarning) {
+  Write-Host @"
+This script is not meant to be run directly. To build DevSetupAgent, please run the following from the root directory:
+build -BuildStep "DevSetupAgent"
+"@ -ForegroundColor RED
+  Exit
+}
+
+$isAdmin = ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] 'Administrator')
+
+$ErrorActionPreference = "Stop"
+
+$msbuildPath = &"${env:ProgramFiles(x86)}\Microsoft Visual Studio\Installer\vswhere.exe" -latest -prerelease -products * -requires Microsoft.Component.MSBuild -find MSBuild\**\Bin\MSBuild.exe
+if ($IsAzurePipelineBuild) {
+  $nugetPath = "nuget.exe";
+} else {
+  $nugetPath = (Join-Path $env:Build_RootDirectory "build\NugetWrapper.cmd")
+}
+
+if (-not([string]::IsNullOrWhiteSpace($SDKNugetSource))) {
+  & $nugetPath sources add -Source $SDKNugetSource
+}
+
+Try {
+  $buildRing = "Dev"
+
+  if ($AzureBuildingBranch -ieq "release") {
+    $buildRing = "Stable"
+  } elseif ($AzureBuildingBranch -ieq "staging") {
+    $buildRing = "Canary"
+  }
+
+  $msbuildArgs = @(
+      ("HyperVExtension\DevSetupAgent.sln"),
+      ("/p:Platform="+$platform),
+      ("/p:Configuration="+$configuration),
+      ("/restore"),
+      ("/binaryLogger:DevSetupAgent.$platform.$configuration.binlog"),
+      ("/p:BuildRing=$buildRing")
+  )
+  if (-not([string]::IsNullOrWhiteSpace($VersionOfSDK))) {
+    $msbuildArgs += ("/p:DevHomeSDKVersion="+$env:sdk_version)
+  }
+
+  & $msbuildPath $msbuildArgs
+
+  $binariesOutputPath = (Join-Path $env:Build_RootDirectory "HyperVExtension\src\DevSetupAgent\bin\$Platform\$Configuration\net8.0-windows10.0.22000.0\win10-$Platform\*")
+  $zipOutputPath = (Join-Path $env:Build_RootDirectory "HyperVExtension\src\DevSetupAgent\bin\DevSetupAgent_$Platform.zip")
+
+  Compress-Archive -Force -Path $binariesOutputPath $zipOutputPath
+} Catch {
+  $formatString = "`n{0}`n`n{1}`n`n"
+  $fields = $_, $_.ScriptStackTrace
+  Write-Host ($formatString -f $fields) -ForegroundColor RED
+  Exit 1
+}
+
+$TotalTime = (Get-Date)-$StartTime
+$TotalMinutes = [math]::Floor($TotalTime.TotalMinutes)
+$TotalSeconds = [math]::Ceiling($TotalTime.TotalSeconds)
+
+Write-Host @"
+Total Running Time:
+$TotalMinutes minutes and $TotalSeconds seconds
+"@ -ForegroundColor CYAN