Files
codex/.github/scripts/setup-dev-drive.ps1
starr-openai 077a3970d7 Use Dev Drive for Windows CI
Configure Windows Rust CI jobs and the shared Bazel CI setup to put temp, repository-cache, and output-root paths on the runner's fast work drive when available. Fall back to C: if no secondary drive or Dev Drive provisioning path is available.

Co-authored-by: Codex <noreply@openai.com>
2026-05-07 15:20:40 -07:00

63 lines
2.1 KiB
PowerShell

# Configure a fast drive for Windows CI jobs.
#
# GitHub-hosted Windows runners do not always expose a secondary D: volume. When
# they do not, try to create a Dev Drive VHD and fall back to C: if the runner
# image does not allow that provisioning path.
function Use-FallbackDrive {
param([string]$Reason)
Write-Warning "$Reason Falling back to C:"
return "C:"
}
function Invoke-BestEffort {
param([scriptblock]$Script, [string]$Description)
try {
& $Script
} catch {
Write-Warning "$Description failed: $($_.Exception.Message)"
}
}
if (Test-Path "D:\") {
Write-Output "Using existing drive at D:"
$Drive = "D:"
} else {
try {
$VhdPath = Join-Path $env:RUNNER_TEMP "codex-dev-drive.vhdx"
$SizeBytes = 64GB
if (Test-Path $VhdPath) {
Remove-Item -Path $VhdPath -Force
}
New-VHD -Path $VhdPath -SizeBytes $SizeBytes -Dynamic -ErrorAction Stop | Out-Null
$Mounted = Mount-VHD -Path $VhdPath -Passthru -ErrorAction Stop
$Disk = $Mounted | Get-Disk -ErrorAction Stop
$Disk | Initialize-Disk -PartitionStyle GPT -ErrorAction Stop
$Partition = $Disk | New-Partition -AssignDriveLetter -UseMaximumSize -ErrorAction Stop
$Volume = $Partition | Format-Volume -FileSystem ReFS -NewFileSystemLabel "CodexDevDrive" -DevDrive -Confirm:$false -Force -ErrorAction Stop
$Drive = "$($Volume.DriveLetter):"
Invoke-BestEffort { fsutil devdrv trust $Drive } "Trusting Dev Drive $Drive"
Invoke-BestEffort { fsutil devdrv enable /disallowAv } "Disabling AV filter attachment for Dev Drives"
Invoke-BestEffort { fsutil devdrv query $Drive } "Querying Dev Drive $Drive"
Write-Output "Using Dev Drive at $Drive"
} catch {
$Drive = Use-FallbackDrive "Failed to create Dev Drive: $($_.Exception.Message)"
}
}
$Tmp = "$Drive\codex-tmp"
New-Item -Path $Tmp -ItemType Directory -Force | Out-Null
@(
"DEV_DRIVE=$Drive"
"TMP=$Tmp"
"TEMP=$Tmp"
) | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append