Jake
76 lines
2.2 KiB
PowerShell
76 lines
2.2 KiB
PowerShell
param(
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[string]$OutputTar = "",
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[string]$BaseImage = "ubuntu:24.04",
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[switch]$Force
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)
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$ErrorActionPreference = 'Stop'
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function Get-ScriptDir {
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if (-not [string]::IsNullOrWhiteSpace($PSScriptRoot)) {
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return $PSScriptRoot
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}
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if (-not [string]::IsNullOrWhiteSpace($PSCommandPath)) {
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return (Split-Path -Parent $PSCommandPath)
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}
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if ($MyInvocation.MyCommand -and -not [string]::IsNullOrWhiteSpace($MyInvocation.MyCommand.Path)) {
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return (Split-Path -Parent $MyInvocation.MyCommand.Path)
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}
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return (Get-Location).Path
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}
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$scriptDir = Get-ScriptDir
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if ([string]::IsNullOrWhiteSpace($OutputTar)) {
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$OutputTar = Join-Path $scriptDir 'windows-wsl2-rootfs.tar'
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}
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$OutputTar = [System.IO.Path]::GetFullPath($OutputTar)
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if ((Test-Path $OutputTar) -and -not $Force) {
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Write-Host "Rootfs already exists: $OutputTar"
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exit 0
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}
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$docker = Get-Command docker -ErrorAction SilentlyContinue
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if (-not $docker) {
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throw 'docker not found. Install Docker Desktop or set PJARCZAK_WSL_ROOTFS_TAR to an existing rootfs tar.'
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}
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New-Item -ItemType Directory -Force -Path (Split-Path -Parent $OutputTar) | Out-Null
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$containerName = "pjarczak-bambu-rootfs-" + [guid]::NewGuid().ToString('N')
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try {
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& docker pull --platform linux/amd64 $BaseImage
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if ($LASTEXITCODE -ne 0) {
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throw "docker pull failed for image: $BaseImage"
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}
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& docker create --platform linux/amd64 --name $containerName $BaseImage /bin/sh -lc 'exit 0'
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if ($LASTEXITCODE -ne 0) {
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throw "docker create failed for image: $BaseImage"
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}
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if (Test-Path $OutputTar) {
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Remove-Item -Force $OutputTar
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}
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$exportProcess = Start-Process -FilePath docker -ArgumentList @('export', $containerName, '-o', $OutputTar) -NoNewWindow -Wait -PassThru
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if ($exportProcess.ExitCode -ne 0) {
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throw 'docker export failed'
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}
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if (!(Test-Path $OutputTar)) {
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throw "rootfs tar was not created: $OutputTar"
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}
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$size = (Get-Item $OutputTar).Length
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if ($size -le 0) {
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throw "rootfs tar is empty: $OutputTar"
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}
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Write-Host "WSL rootfs created:"
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Write-Host $OutputTar
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}
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finally {
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& docker rm -f $containerName 2>$null | Out-Null
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}
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