wehub-resource-sync
59 lines
1.6 KiB
PowerShell
59 lines
1.6 KiB
PowerShell
#!/usr/bin/env pwsh
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<#
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.SYNOPSIS
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Generates an IntegrityTree.json file containing SHA256 hashes of all files
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in the specified directory. Used at build time; verified at runtime by
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UniGetUI.Core.Tools.IntegrityTester.
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.PARAMETER Path
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The directory to scan (typically the publish/output directory).
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.PARAMETER MinOutput
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Suppress per-file progress output.
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#>
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[CmdletBinding()]
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param(
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[Parameter(Mandatory, Position = 0)]
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[string] $Path,
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[switch] $MinOutput
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)
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$ErrorActionPreference = 'Stop'
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if (-not (Test-Path $Path -PathType Container)) {
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throw "The directory '$Path' does not exist."
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}
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$Path = (Resolve-Path $Path).Path
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$OutputFileName = 'IntegrityTree.json'
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$ScriptName = [System.IO.Path]::GetFileName($PSCommandPath)
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$integrityData = [ordered]@{}
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Get-ChildItem $Path -Recurse -File | ForEach-Object {
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$relativePath = $_.FullName.Substring($Path.Length).TrimStart('\', '/') -replace '\\', '/'
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# Skip the output file itself
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if ($relativePath -eq $OutputFileName) { return }
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if (-not $MinOutput) {
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Write-Host " - Computing SHA256 of $relativePath..."
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}
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$hash = (Get-FileHash $_.FullName -Algorithm SHA256).Hash.ToLower()
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$integrityData[$relativePath] = $hash
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}
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# Sort keys for deterministic output
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$sorted = [ordered]@{}
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foreach ($key in ($integrityData.Keys | Sort-Object)) {
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$sorted[$key] = $integrityData[$key]
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}
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$json = $sorted | ConvertTo-Json -Depth 1
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Set-Content (Join-Path $Path $OutputFileName) $json -Encoding utf8NoBOM -NoNewline
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Write-Host "Integrity tree was generated and saved to $Path/$OutputFileName"
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