From dc801e9cc92561ede671bc3d74cb519cc4cbdee8 Mon Sep 17 00:00:00 2001
From: rbalsleyMSFT <53497092+rbalsleyMSFT@users.noreply.github.com>
Date: Tue, 3 Mar 2026 14:16:06 -0800
Subject: [PATCH] Adds dependency validation for copying drivers

Prevents an invalid configuration state by ensuring the build USB drive option is explicitly requested whenever the copy drivers option is specified.
---
 FFUDevelopment/BuildFFUVM.ps1 | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/FFUDevelopment/BuildFFUVM.ps1 b/FFUDevelopment/BuildFFUVM.ps1
index 268a03d..2e30d55 100644
--- a/FFUDevelopment/BuildFFUVM.ps1
+++ b/FFUDevelopment/BuildFFUVM.ps1
@@ -5126,6 +5126,12 @@ if ($LongPathsEnabled -ne 1) {
 Set-Progress -Percentage 2 -Message "Validating parameters..."
 ###PARAMETER VALIDATION
 
+#Validate CopyDrivers dependency on BuildUSBDrive
+if ($CopyDrivers -and (-not $BuildUSBDrive)) {
+    WriteLog "-CopyDrivers is set to `$true, but -BuildUSBDrive is not set to `$true"
+    throw "-CopyDrivers is set to `$true, but -BuildUSBDrive is not set to `$true. Please set -BuildUSBDrive to `$true and try again."
+}
+
 #Validate drivers folder
 if ($InstallDrivers -or $CopyDrivers) {
     WriteLog 'Doing driver validation'