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SilverMetal/windows/branding/lib/RegistryHelpers.ps1
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Build SilverMetal Enhanced - Windows ISO / build (pull_request) Successful in 4m47s
fix(first-boot): branding-online parse crash (em-dash/encoding) + bootstrap cleanup task + recovery QR
Found by reading the unencrypted VM disk after run #7:
1. Online branding never ran: Apply-Branding.ps1 had a UTF-8 em-dash in a Write-Warning
   STRING; Windows PowerShell 5.1 (SetupComplete) reads .ps1 as ANSI, mangled it, broke
   the string terminator -> whole script failed to parse -> lock/login/wallpaper branding
   never re-applied. Fix: ASCII-ify the em-dash AND save the branding scripts UTF-8-with-BOM
   so PS5.1 always decodes them correctly (verified parses under PS5.1 + PS7).
2. sm-bootstrap never removed: TearDownAsync used schtasks /tr with an inline -EncodedCommand,
   which silently fails past the ~261-char /tr limit, so the cleanup task was never created
   (confirmed NO_TASK on disk). Fix: Register-ScheduledTask (no length limit).
3. Done step: show a QR code of the BitLocker recovery key (QRCoder) for phone backup, and
   lay key+QR side-by-side so the Restart button no longer overflows below the fold.

Verified: welcome solution builds, 29/29 tests; branding Pester 6/6 unit (offline-integration
needs elevation, runs in CI).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-09 22:41:30 +01:00

35 lines
763 B
PowerShell

Set-StrictMode -Version Latest
$ErrorActionPreference = 'Stop'
# Write a registry value under an arbitrary hive root (a live HKLM:/HKCU: path
# OR a loaded offline hive exposed as a PSDrive). Creates intermediate keys.
function Set-SmRegValue {
param(
[Parameter(Mandatory)][string]$Root,
[Parameter(Mandatory)][string]$SubKey,
[Parameter(Mandatory)][string]$Name,
[Parameter(Mandatory)][ValidateSet('String','ExpandString','DWord','Binary')][string]$Type,
[Parameter(Mandatory)]$Value
)
$key = Join-Path $Root $SubKey
if (-not (Test-Path $key)) { New-Item -Path $key -Force | Out-Null }
New-ItemProperty -Path $key -Name $Name -PropertyType $Type -Value $Value -Force | Out-Null
}