Clean up files after installation

scripts/Windows/OS/Manage.ps1

@@ -5,6 +5,7 @@ using namespace System.Security.Principal;
 . "$PSScriptRoot/../Scripts/WSL.ps1";
 
 $null = New-Module {
+    . "$PSScriptRoot/../Scripts/Constants.ps1";
     . "$PSScriptRoot/../Scripts/Deployment.ps1";
     . "$PSScriptRoot/../Scripts/Hooks.ps1";
     . "$PSScriptRoot/../Scripts/PowerManagement.ps1";
@@ -218,7 +219,9 @@ $null = New-Module {
                     $script = {
                         param(
                             $TaskName,
-                            $UserName
+                            $UserName,
+                            $ProjectRoot,
+                            $ArtifactRoot
                         )
 
                         $user = Get-LocalUser $UserName;
@@ -226,10 +229,21 @@ $null = New-Module {
                         Remove-LocalUser $user;
                         Get-CimInstance Win32_UserProfile | Where-Object { $_.SID -eq $sid } | Remove-CimInstance;
                         Unregister-ScheduledTask -Confirm:$false $TaskName;
+                        Remove-Item -Recurse -Force "$ProjectRoot";
+                        Remove-Item -Recurse -Force "$ArtifactRoot";
                     };
 
                     $trigger = New-ScheduledTaskTrigger -AtStartup;
-                    $task = New-ScheduledTaskAction -Execute "pwsh" -Argument "-Command & { $script } $(ConvertTo-Injection $taskName) $(ConvertTo-Injection $setupUser)";
+
+                    $task = New-ScheduledTaskAction -Execute "pwsh" `
+                        -Argument (@(
+                            "-Command & { $script }",
+                            (ConvertTo-Injection $taskName),
+                            (ConvertTo-Injection $setupUser),
+                            (ConvertTo-Injection $env:VALHALLA_ROOT),
+                            (ConvertTo-Injection (Get-ArtifactRoot))
+                        ) -join " ");
+
                     $null = Register-ScheduledTask -Force $taskName -Action $task -Trigger $trigger -RunLevel Highest -User "SYSTEM";
                     Set-Stage ([WindowsInstallerStage]::Completed);
                     Enable-UAC;

scripts/Windows/OS/Setup.ps1

@@ -232,6 +232,7 @@ function Start-Setup {
             -Script (
                 "powershell -Command " +
                 ($env:DEBUG ? "`$env:DEBUG = $([int]$env:DEBUG);" : "") +
+                "`$env:VALHALLA_ROOT = $(Get-PathInjection $env:REMOTE_PROJECT_PATH);" +
                 "`$env:PWSH_PATH = $(Get-PathInjection $env:PWSH_PATH);" +
                 "`$env:INSTALLER_SCRIPT = $(Get-ScriptPathInjection $env:SETUP_SCRIPT_NAME);" +
                 "`$env:CONFIG_NAME = $(ConvertTo-Injection $env:CONFIG_NAME);" +

scripts/Windows/Scripts/PowerManagement.ps1

@@ -54,8 +54,9 @@ $null = New-Module {
         Generates a command for running the installer using `pwsh`.
     #>
     function Get-StartupCommand {
-        ($env:PWSH_PATH ? "`$env:PWSH_PATH = $(ConvertTo-Injection $env:PWSH_PATH);" : "") +
         ($env:DEBUG ? "`$env:DEBUG = $([int]$env:DEBUG);" : "") +
+        "`$env:VALHALLA_ROOT = $(ConvertTo-Injection $env:VALHALLA_ROOT);" +
+        ($env:PWSH_PATH ? "`$env:PWSH_PATH = $(ConvertTo-Injection $env:PWSH_PATH);" : "") +
         ($env:BACKUP_ARCHIVE ? "`$env:BACKUP_ARCHIVE = $(ConvertTo-Injection ([System.IO.Path]::GetFullPath($env:BACKUP_ARCHIVE)));" : "") +
         "`$env:INSTALLER_SCRIPT = $(ConvertTo-Injection (Resolve-Path $env:INSTALLER_SCRIPT));" +
         "`$env:CONFIG_NAME = $(ConvertTo-Injection $env:CONFIG_NAME);" +