wehub-resource-sync
94 lines
2.9 KiB
PowerShell
94 lines
2.9 KiB
PowerShell
param(
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[ValidateSet("arm64", "amd64")]
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[string]$Arch
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)
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$ErrorActionPreference = "Stop"
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$ProgressPreference = "SilentlyContinue"
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$ScriptDir = Split-Path -Parent $MyInvocation.MyCommand.Definition
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$ProjectDir = Split-Path -Parent $ScriptDir
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$VmDir = Join-Path (Join-Path $ProjectDir 'master') 'iso'
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$DebianVersion = "13.5.0"
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$BaseUrl = "https://debian.osuosl.org/debian-cdimage/$DebianVersion"
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if (-not $Arch) {
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$HostArch = $null
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try {
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$HostArch = [System.Runtime.InteropServices.RuntimeInformation]::OSArchitecture.ToString()
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} catch {}
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if (-not $HostArch) {
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$HostArch = $env:PROCESSOR_ARCHITECTURE
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}
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switch ($HostArch.ToUpper()) {
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"X64" { $Arch = "amd64" }
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"AMD64" { $Arch = "amd64" }
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"ARM64" { $Arch = "arm64" }
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default { Write-Error "Cannot auto-detect arch from '$HostArch'; pass -Arch arm64 or -Arch amd64"; exit 1 }
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}
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Write-Host "Auto-detected architecture: $Arch"
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}
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$IsoName = "debian-$DebianVersion-$Arch-netinst.iso"
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$IsoUrl = "$BaseUrl/$Arch/iso-cd/$IsoName"
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$IsoPath = Join-Path $VmDir $IsoName
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$ShaPath = Join-Path $VmDir "$IsoName.sha256"
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if (-not (Test-Path $VmDir)) {
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New-Item -ItemType Directory -Path $VmDir -Force | Out-Null
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}
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function Get-FileSha256($FilePath) {
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$hash = Get-FileHash -Algorithm SHA256 -Path $FilePath
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return $hash.Hash.ToLower()
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}
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function Read-ShaFile($ShaFilePath) {
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$line = (Get-Content -Path $ShaFilePath -First 1).Trim()
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return ($line -split '\s+')[0].ToLower()
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}
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if (Test-Path $ShaPath) {
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Write-Host "SHA256 file exists: $ShaPath"
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$expectedHash = Read-ShaFile $ShaPath
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if (Test-Path $IsoPath) {
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Write-Host "ISO already exists, verifying checksum..."
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$actualHash = Get-FileSha256 $IsoPath
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if ($actualHash -eq $expectedHash) {
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Write-Host "ISO is valid, nothing to do."
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exit 0
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}
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Write-Host "Checksum mismatch - re-downloading."
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Remove-Item -Force $IsoPath
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}
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Write-Host "Downloading $IsoUrl ..."
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Invoke-WebRequest -Uri $IsoUrl -OutFile $IsoPath -UseBasicParsing
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Write-Host "Verifying downloaded ISO against existing checksum..."
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$actualHash = Get-FileSha256 $IsoPath
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if ($actualHash -ne $expectedHash) {
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Write-Error "Checksum verification failed! Expected $expectedHash, got $actualHash"
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exit 1
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}
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Write-Host "Download verified."
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} else {
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if (-not (Test-Path $IsoPath)) {
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Write-Host "Downloading $IsoUrl ..."
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Invoke-WebRequest -Uri $IsoUrl -OutFile $IsoPath -UseBasicParsing
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} else {
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Write-Host "ISO exists but no SHA256 file - generating checksum..."
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}
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Write-Host "Generating SHA256 checksum..."
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$hash = Get-FileSha256 $IsoPath
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"$hash $IsoName" | Set-Content -Path $ShaPath -NoNewline
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Write-Host "Wrote $ShaPath"
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Write-Host "Commit this file to version control: $ShaPath"
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}
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