Shuery
e114cae8c8
P0 正确性 - 退出码：改用 .NET Process 直接启动、让子进程继承控制台，不再用 Start-Process -PassThru （在 7.7.0-preview.4 上 ExitCode 恒为 $null，会把成功的压缩判成失败）； 7z / RAR / tar 三条解压分支统一走同一个取退出码的封装。 - BackupList 解析：先按第一个 :: 切段再处理引号（整行被一对引号包住的写法不再把排除表 吞进路径）；排除表同时接受 , 与 ;（旧实现只认 ;，导致排除从未生效）；支持 :- / :+ / @flag。 - 补回 .ssh 与孤儿归档：.ssh 进清单；孤儿归档在备份端也做审计并点名； 带 -Only / -Skip 时不再把未选中的归档误报成孤儿。 - Resolve-BackupEntry 里 $rootName 在赋值前被引用（会读到外层作用域残留值），已提前赋值。 P1 归档可靠性 - 每个条目写进 manifest.json：源、归档、时间、退出码、校验结果、失败原因， 并区分 warnings（在位归档）与 attemptWarnings（本次尝试）。 - 归档后做 7z t 内容校验，先写 .tmp、校验通过再原子替换（File.Move overwrite）。 - manifest.roots 记录归档内**真实**的顶层条目名（原先记的是软件名，Edge 实际是 "User Data"）。 P2 可用性 - Restore 支持 -WhatIf / -DryRun / -VerifyOnly / -Only / -Skip； 这三种"只看不写"的模式一个字节都不写（原先会写回 manifest.json）。 - Edge 等高缓存条目加排除规则并实测：1781 MB / 27961 项 -> 72 MB / 2294 项； 书签、密码、Cookies、偏好、历史、IndexedDB、Local Storage 全部保留。 普通模式是相对归档根目录锚定的，嵌套的那些（如 OneAuth\WebView2 里的 Crashpad） 改用 ! 组件形式才会命中。 - 日志落盘 logs/<backup|restore>-<时间戳>.log；退出码按失败数返回。 - tools/Register-BackupTask.ps1 注册每日计划任务；tools/Rename-Archives.ps1 迁移旧归档名。 - root= 标记此前静默失效，现在明确告警（该功能尚未实现）。 P3 测试与验证 - tests/BakNRet.Tests.ps1：Pester 5 套件 62 项（含用子进程跑 Backup.ps1 / Restore.ps1 的端到端与针对上述缺陷的回归）。 - tests/Run-Pester.ps1 + tools/Install-TestDependencies.ps1：把 Pester 装到仓库内 .tools/， 不动机器上的全局模块（系统自带的 3.4.0 缺 Should -Be）。 - tests/Restore-Drill.ps1：真实归档恢复演练，明确区分"源在备份后变过"与"归档/解压有问题"。 - tests/Run-Tests.ps1（49 项，零依赖）与 tests/Run-E2E.ps1（23 项）继续可用；三套共 134 项全通过。 真实机器验证 - 生产归档 22/22 通过 7z t；-VerifyOnly 不再改动 manifest.json（SHA256 前后一致）。 - 真实恢复演练 12/12 通过，27,670 个文件与活源逐字节一致。 - 修复了生产 scoop-persist.7z：原先只有 90 字节（空归档）而源有 1.3 GB， 重打包后 233 MB，恢复演练 26981/26981 全部一致。
495 lines
20 KiB
PowerShell
495 lines
20 KiB
PowerShell
<#
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.SYNOPSIS
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按 BackupList.txt 执行恢复。
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.DESCRIPTION
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与旧版相比的核心变化：
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1. 归档查找以 manifest.json 为准（按归档基础名索引），拿不到才退回
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"从文件名反推路径"。旧版只靠文件名反推，且用 -Filter "$baseName.*" 通配匹配，
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一旦解析出偏差，归档就变成谁都找不到的孤儿。
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2. 退出码可靠：三条解压分支（7z / RAR / tar）统一走 Invoke-ExternalCommand。
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旧版 tar 分支写成 `$LASTEXITCODE -ne 0 -and $proc.ExitCode -ne 0`，
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而 $LASTEXITCODE 是上一条原生命令的残留值，跟 Start-Process 无关，
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恰为 0 时会把解压失败吞掉并报成功。
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3. 支持 -WhatIf / -DryRun：恢复是会覆盖 E:\CodeSpace、Edge User Data 这种
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真实目录的破坏性操作，必须能先看清单再决定。
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4. 支持 -Only / -Skip 只恢复指定条目，-VerifyOnly 只校验不写盘。
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5. 结尾按失败数 exit。
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#>
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[CmdletBinding(SupportsShouldProcess = $true, ConfirmImpact = 'Medium')]
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param(
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[Parameter()]
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[string]$BackupListPath = (Join-Path $PSScriptRoot 'BackupList.txt'),
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[Parameter()]
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[string]$BackupDir,
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[Parameter()]
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[string]$ConfigPath = (Join-Path $PSScriptRoot 'BackupConfig.psd1'),
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[Parameter()]
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[string]$KeyFile,
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[Parameter()]
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[string[]]$Only = @(),
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[Parameter()]
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[string[]]$Skip = @(),
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# 忽略"目标比归档新"的保护，强制解压
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[Parameter()]
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[switch]$Force,
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# 只打印计划，不解压（等价于 -WhatIf）
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[Parameter()]
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[switch]$DryRun,
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# 只对归档做 7z t 校验，不解压
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[Parameter()]
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[switch]$VerifyOnly
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)
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$ErrorActionPreference = 'Stop'
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if ($DryRun) { $WhatIfPreference = $true }
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# ============================================================================
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# 载入依赖
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# ============================================================================
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$modulePath = Join-Path $PSScriptRoot 'Common.psm1'
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if (-not (Test-Path -LiteralPath $modulePath)) {
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Write-Error "找不到依赖模块：$modulePath，请确保所有文件在同一目录。"
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exit 1
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}
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Import-Module $modulePath -Force
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if ($PSBoundParameters.ContainsKey('Verbose')) { Set-BaknretDebug }
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$script:Config = Get-BaknretConfig -Path $ConfigPath
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$SupportedFormats = @('.7z', '.rar', '.zip', '.tar')
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function Resolve-ConfigPath {
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param([string]$Path, [string]$Default)
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$value = if ($Path) { $Path } else { $Default }
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if (-not [System.IO.Path]::IsPathRooted($value)) {
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$value = Join-Path $PSScriptRoot $value
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}
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return $value
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}
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if (-not $BackupDir) { $BackupDir = Resolve-ConfigPath -Path $null -Default $script:Config.BackupDir }
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$logDir = Resolve-ConfigPath -Path $null -Default $script:Config.LogDir
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$catalogPath = Resolve-CatalogPath -Configured $script:Config.SoftwareCatalog -Root $PSScriptRoot
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$manifestPath = Join-Path $BackupDir 'manifest.json'
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$logPath = Start-BaknretLog -Directory $logDir -Prefix 'restore'
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Write-Log "日志文件：$logPath"
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Write-Log "备份目录：$BackupDir"
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Write-Log ("软件名录：{0}{1}" -f $catalogPath, $(if (Test-Path -LiteralPath $catalogPath) { '' } else { '（不存在，将只支持字面路径）' }))
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if ($WhatIfPreference) { Write-Log '试运行模式（-WhatIf / -DryRun）：不会写入任何文件' -Level WARN }
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if (-not (Test-Administrator)) {
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Write-Log '建议以管理员身份运行以获取完整的目录访问权限' -Level WARN
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}
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$passwordFile = if ($KeyFile) { $KeyFile } else { $script:Config.Encryption.PasswordFile }
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$password = Get-BaknretPassword -PasswordFile $passwordFile
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# ============================================================================
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# 归档查找
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# ============================================================================
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function Find-ArchiveByBaseName {
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<#
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.SYNOPSIS
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按归档基础名精确定位归档文件。
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.DESCRIPTION
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旧版用 Get-ChildItem -Filter "$baseName.*"，-Filter 会做通配符解释，
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路径里含 `[` `]` 时会失配；这里改为精确比较 BaseName。
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#>
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param([string]$BaseName)
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$candidate = Get-ChildItem -LiteralPath $BackupDir -File -Force -ErrorAction SilentlyContinue | Where-Object { $_.BaseName -eq $BaseName -and $_.Extension.ToLower() -in $SupportedFormats } |
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Select-Object -First 1
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return $candidate
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}
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function Get-ArchiveForEntry {
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param($Entry, $Manifest)
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if ($Manifest -and $Manifest.items.Contains($Entry.baseName)) {
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$record = $Manifest.items[$Entry.baseName]
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$archiveName = $null
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if ($record.PSObject.Properties.Name -contains 'archive') { $archiveName = $record.archive }
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if ($archiveName) {
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$path = Join-Path $BackupDir $archiveName
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if (Test-Path -LiteralPath $path) {
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return [pscustomobject]@{ File = (Get-Item -LiteralPath $path); Source = 'manifest'; Record = $record }
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}
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Write-Log "manifest 记录的归档不存在，回退按文件名查找：$archiveName" -Level WARN
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}
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}
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$fallback = Find-ArchiveByBaseName -BaseName $Entry.baseName
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if ($fallback) {
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$record = $null
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if ($Manifest -and $Manifest.items.Contains($Entry.baseName)) { $record = $Manifest.items[$Entry.baseName] }
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return [pscustomobject]@{ File = $fallback; Source = 'filename'; Record = $record }
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}
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return $null
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}
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function Get-7zExecutable {
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<# .SYNOPSIS 定位 7z.exe（PATH 优先，其次是常见安装位置）。 #>
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$sevenZip = Get-Command 7z -ErrorAction SilentlyContinue | Select-Object -First 1 -ExpandProperty Source
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if (-not $sevenZip) {
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$candidates = @(
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(Join-Path $env:ProgramFiles '7-Zip\7z.exe'),
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(Join-Path ${env:ProgramFiles(x86)} '7-Zip\7z.exe')
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)
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$sevenZip = $candidates | Where-Object { $_ -and (Test-Path -LiteralPath $_) } | Select-Object -First 1
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}
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return $sevenZip
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}
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function Invoke-Extraction {
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param([object]$ArchiveFile, [string]$DestinationPath)
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$extension = $ArchiveFile.Extension.ToLower()
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$destParent = Split-Path -Path $DestinationPath -Parent
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if (-not (Test-Path -LiteralPath $destParent)) {
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New-Item -ItemType Directory -Path $destParent -Force | Out-Null
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}
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# 归档布局与历史保持一致：根目录就是源目录名（软件名条目也一样，
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# 软件名只用于归档文件名），因此直接整包解压到目标的父目录即可。
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$sevenZip = Get-7zExecutable
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if ($sevenZip) {
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Write-Log '使用 7z 解压' -Level DEBUG
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$argument = @('x', '-bsp2', '-y', "-o$destParent")
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if ($password) { $argument += "-p$password" }
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$argument += $ArchiveFile.FullName
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$exitCode = Invoke-ExternalCommand -FilePath $sevenZip -ArgumentList $argument
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if ($exitCode -ne 0) { throw "7z 解压失败（退出码：$exitCode）" }
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return $true
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}
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switch ($extension) {
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'.rar' {
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$rarExe = Get-Command rar, unrar -ErrorAction SilentlyContinue | Select-Object -First 1 -ExpandProperty Source
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if (-not $rarExe) { throw '未找到 RAR 工具' }
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Write-Log '使用 RAR 解压' -Level DEBUG
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$argument = @('x', '-idp', '-idn', '-y', $ArchiveFile.FullName, "$destParent\")
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$exitCode = Invoke-ExternalCommand -FilePath $rarExe -ArgumentList $argument
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if ($exitCode -ne 0) { throw "RAR 解压失败（退出码：$exitCode）" }
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}
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'.zip' {
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Write-Log '使用内置 ZIP 解压' -Level DEBUG
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Expand-Archive -LiteralPath $ArchiveFile.FullName -DestinationPath $destParent -Force
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}
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'.tar' {
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$tarExe = Get-Command tar -ErrorAction SilentlyContinue | Select-Object -First 1 -ExpandProperty Source
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if (-not $tarExe) { throw '未找到 TAR 工具' }
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Write-Log '使用 TAR 解压' -Level DEBUG
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$exitCode = Invoke-ExternalCommand -FilePath $tarExe -ArgumentList @('-xf', $ArchiveFile.FullName, '-C', $destParent)
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if ($exitCode -ne 0) { throw "TAR 解压失败（退出码：$exitCode）" }
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}
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default { throw "不支持的文件格式：$extension" }
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}
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return $true
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}
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# ============================================================================
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# 准备
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# ============================================================================
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if (-not (Test-Path -LiteralPath $BackupDir)) {
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Write-Log "备份目录不存在: $BackupDir" -Level ERROR
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Stop-BaknretLog
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exit 1
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}
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$manifest = Read-BaknretManifest -Path $manifestPath
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if (-not (Test-Path -LiteralPath $BackupListPath)) {
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Write-Log '未找到配置文件，正在从备份内容生成...' -Level INFO
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$paths = @()
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if ($manifest.items.Count -gt 0) {
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foreach ($key in $manifest.items.Keys) {
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$record = $manifest.items[$key]
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if ($record.PSObject.Properties.Name -contains 'source' -and $record.source) {
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$paths += $record.source
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}
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}
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}
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if ($paths.Count -eq 0) {
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$backupFiles = Get-ChildItem -LiteralPath $BackupDir -File -Force -ErrorAction SilentlyContinue |
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Where-Object { $_.Extension.ToLower() -in $SupportedFormats -and $_.BaseName -match '_from_' }
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foreach ($file in $backupFiles) {
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$original = Convert-BackupFileNameToPath -FileName $file.Name
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if ($original) { $paths += $original }
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}
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}
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$paths = @($paths | Sort-Object -Unique)
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if ($paths.Count -eq 0) {
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Write-Log '无法从备份内容还原出任何路径。' -Level ERROR
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Stop-BaknretLog
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exit 1
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}
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$content = "# BackupList.txt（自动生成，排除规则需要手工补回）`n" + (($paths -join [Environment]::NewLine) + [Environment]::NewLine)
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[System.IO.File]::WriteAllText($BackupListPath, $content, [System.Text.UTF8Encoding]::new($false))
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Write-Log "已生成配置，包含 $($paths.Count) 个项目，请检查后重新运行" -Level INFO
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Stop-BaknretLog
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exit 0
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}
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function Test-EntrySelected {
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param([string]$DisplayPath, [string]$BaseName)
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if ($Only.Count -gt 0) {
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$matched = $false
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foreach ($pattern in $Only) {
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if ($DisplayPath -like $pattern -or $BaseName -like $pattern) { $matched = $true; break }
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}
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if (-not $matched) { return $false }
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}
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foreach ($pattern in $Skip) {
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if ($DisplayPath -like $pattern -or $BaseName -like $pattern) { return $false }
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}
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return $true
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}
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# ============================================================================
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# 主流程
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# ============================================================================
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$lines = Get-Content -LiteralPath $BackupListPath -ErrorAction Stop
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$stats = @{ restored = 0; skipped = 0; failed = 0; verified = 0; planned = 0 }
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$failures = @()
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$referencedArchives = @()
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# 只有真的恢复成功了才允许写回 manifest。
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# -WhatIf / -DryRun / -VerifyOnly 以及"全部跳过"的运行必须一个字节都不写：
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# 之前这里无条件写回，实际上只是把 updatedAt 改了，却直接违背了
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# "试运行不会写入任何文件" 的承诺（已用 manifest 的 SHA256 复现）。
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$manifestDirty = $false
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Write-Log '开始执行恢复' -Level INFO
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foreach ($line in $lines) {
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$item = ConvertFrom-BackupListLine -Line $line
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if (-not $item) { continue }
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$displayPath = $item.Path
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$resolved = Resolve-BackupEntry -Entry $item -CatalogPath $catalogPath -MaxDepth $script:Config.CatalogMaxDepth
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$baseName = $resolved.BaseName
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if (-not $baseName) { $stats.skipped++; continue }
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if (-not (Test-EntrySelected -DisplayPath $displayPath -BaseName $baseName)) { continue }
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$found = Get-ArchiveForEntry -Entry ([pscustomobject]@{ baseName = $baseName }) -Manifest $manifest
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if (-not $found) {
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Write-Log "跳过: $displayPath，未找到归档 $baseName" -Level WARN
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$stats.skipped++
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continue
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}
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# 恢复目的地。清单条目可能带多个源（同名目录分散在多处），每个源各恢复各的。
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$targets = @()
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if ($resolved.Sources.Count -gt 0) {
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foreach ($source in $resolved.Sources) {
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$targets += [pscustomobject]@{ DestPath = $source.SourcePath }
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}
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} else {
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$targets += [pscustomobject]@{ DestPath = [Environment]::ExpandEnvironmentVariables($displayPath) }
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}
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# 防御：解析不出目的地时明确失败，别把空字符串喂给 Split-Path/Test-Path
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# （那种报错是 "Cannot bind argument to parameter 'Path' because it is an empty string"）
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$targets = @($targets | Where-Object { $_.DestPath -and -not [string]::IsNullOrWhiteSpace($_.DestPath) })
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if ($targets.Count -eq 0) {
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$reason = "无法确定恢复目的地（清单条目 '$displayPath' 解析不出任何源路径）"
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Write-Log "失败: $displayPath，$reason" -Level ERROR
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$stats.failed++
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$failures += $displayPath
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continue
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}
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$destPath = $targets[0].DestPath
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$archiveFile = $found.File
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$referencedArchives += $archiveFile.BaseName
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# 加密归档在取不到口令时必须直接失败：7z 在没有 -p 时会在控制台等输入，
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# 在计划任务里会静默挂起，比报错更糟。
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$isEncrypted = $false
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if ($found.Record -and ($found.Record.PSObject.Properties.Name -contains 'encrypted')) {
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$isEncrypted = [bool]$found.Record.encrypted
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}
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if ($isEncrypted -and -not $password) {
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Write-Log "失败: $displayPath，归档已加密但取不到口令（设置 BAKNRET_PASSWORD 或用 -KeyFile 指定密码文件）" -Level ERROR
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$stats.failed++
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$failures += $displayPath
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continue
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}
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if ($VerifyOnly) {
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if ($archiveFile.Extension.ToLower() -ne '.7z') {
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Write-Log "跳过校验（非 7z）: $($archiveFile.Name)" -Level DEBUG
|
||
continue
|
||
}
|
||
$verifyTool = Get-7zExecutable
|
||
if (-not $verifyTool) {
|
||
Write-Log '未找到 7z，无法校验' -Level ERROR
|
||
$stats.failed++
|
||
$failures += $displayPath
|
||
continue
|
||
}
|
||
$verifyArgument = @('t', '-bso0', '-bsp0')
|
||
if ($password) { $verifyArgument += "-p$password" }
|
||
$verifyArgument += $archiveFile.FullName
|
||
$verifyCode = Invoke-ExternalCommand -FilePath $verifyTool -ArgumentList $verifyArgument
|
||
if ($verifyCode -eq 0) {
|
||
Write-Log "校验通过: $($archiveFile.Name)" -Level INFO
|
||
$stats.verified++
|
||
} else {
|
||
Write-Log "校验失败: $($archiveFile.Name)（退出码 $verifyCode）" -Level ERROR
|
||
$stats.failed++
|
||
$failures += $displayPath
|
||
}
|
||
continue
|
||
}
|
||
|
||
Write-Log "准备恢复: $displayPath <- $($archiveFile.Name)（来源：$($found.Source)）" -Level INFO
|
||
|
||
if ((Test-Path -LiteralPath $destPath) -and -not $Force) {
|
||
try {
|
||
$destSummary = Get-FolderSummary -FolderPath $destPath
|
||
$archiveTime = $archiveFile.LastWriteTime
|
||
if ($destSummary.LatestModifiedTime -and $destSummary.LatestModifiedTime -gt $archiveTime) {
|
||
Write-Log "跳过: $displayPath，目标目录比归档新（用 -Force 覆盖）" -Level WARN
|
||
$stats.skipped++
|
||
continue
|
||
}
|
||
} catch {
|
||
Write-Log "目标目录摘要读取失败，继续恢复：$_" -Level DEBUG
|
||
}
|
||
}
|
||
|
||
$plannedTargets = @($targets | Where-Object { $_.DestPath })
|
||
foreach ($target in $plannedTargets) {
|
||
if (Test-Path -LiteralPath $target.DestPath) { continue }
|
||
# Split-Path -Parent 对根路径（如 "E:\"）返回空串，此时无父目录可建
|
||
$targetParent = Split-Path -Path $target.DestPath -Parent
|
||
if ($targetParent) {
|
||
Write-Log "提示: 目标不存在，将新建 $targetParent" -Level DEBUG
|
||
} else {
|
||
Write-Log "提示: 目标不存在，且没有可创建的父目录：$($target.DestPath)" -Level DEBUG
|
||
}
|
||
}
|
||
|
||
$shouldRun = $true
|
||
foreach ($target in $plannedTargets) {
|
||
if (-not $PSCmdlet.ShouldProcess($target.DestPath, "从 $($archiveFile.Name) 解压")) { $shouldRun = $false }
|
||
}
|
||
|
||
if (-not $shouldRun) {
|
||
foreach ($target in $plannedTargets) {
|
||
Write-Log "[试运行] 将解压 $($archiveFile.Name) -> $($target.DestPath)" -Level INFO
|
||
}
|
||
$stats.planned++
|
||
continue
|
||
}
|
||
|
||
$restoreFailed = $false
|
||
try {
|
||
foreach ($target in $plannedTargets) {
|
||
if (-not (Invoke-Extraction -ArchiveFile $archiveFile -DestinationPath $target.DestPath)) {
|
||
$restoreFailed = $true
|
||
break
|
||
}
|
||
}
|
||
|
||
if (-not $restoreFailed) {
|
||
$stats.restored++
|
||
Write-Log "恢复成功: $baseName" -Level INFO
|
||
|
||
if ($manifest.items.Contains($baseName)) {
|
||
$record = $manifest.items[$baseName]
|
||
if ($record -is [System.Collections.IDictionary]) {
|
||
$record['lastRestoreAt'] = (Get-Date).ToString('o')
|
||
} else {
|
||
$record | Add-Member -NotePropertyName lastRestoreAt -NotePropertyValue ((Get-Date).ToString('o')) -Force
|
||
}
|
||
$manifestDirty = $true
|
||
}
|
||
} else {
|
||
$stats.failed++
|
||
$failures += $displayPath
|
||
}
|
||
} catch {
|
||
Write-Log "恢复失败: $displayPath，$_" -Level ERROR
|
||
$stats.failed++
|
||
$failures += $displayPath
|
||
}
|
||
}
|
||
|
||
# ============================================================================
|
||
# 收尾：报告孤儿归档
|
||
# ============================================================================
|
||
|
||
if (-not $VerifyOnly -and $Only.Count -eq 0 -and $Skip.Count -eq 0) {
|
||
$orphans = @(Get-ChildItem -LiteralPath $BackupDir -File -Force -ErrorAction SilentlyContinue |
|
||
Where-Object { $_.Extension.ToLower() -in $SupportedFormats -and $_.BaseName -notin $referencedArchives })
|
||
|
||
if ($orphans.Count -gt 0) {
|
||
Write-Log '以下归档没有任何清单条目指向（恢复不到，注意别误删）：' -Level WARN
|
||
foreach ($orphan in $orphans) {
|
||
Write-Log (" - {0}（{1} MB，{2}）" -f $orphan.Name, [math]::Round($orphan.Length / 1MB, 2), $orphan.LastWriteTime) -Level WARN
|
||
}
|
||
}
|
||
} elseif (-not $VerifyOnly) {
|
||
# 带 -Only/-Skip 时只有被选中的条目会被处理，其余归档都不在 $referencedArchives 里，
|
||
# 按上面的算法报出来全是假孤儿（还会吓唬人说"注意别误删"），所以整段跳过。
|
||
Write-Log '本次只恢复了部分条目，跳过孤儿归档审计（避免把未选中的归档误报成孤儿）' -Level DEBUG
|
||
}
|
||
|
||
try {
|
||
if ($manifestDirty) {
|
||
Write-BaknretManifest -Path $manifestPath -Manifest $manifest | Out-Null
|
||
Write-Log 'manifest 已更新（记下本次恢复时间）' -Level DEBUG
|
||
} else {
|
||
Write-Log 'manifest 无需更新：本次没有实际恢复任何条目' -Level DEBUG
|
||
}
|
||
} catch {
|
||
Write-Log "manifest 写回失败（不影响本次恢复）：$_" -Level WARN
|
||
}
|
||
|
||
if ($failures.Count -gt 0) {
|
||
Write-Log '失败条目：' -Level ERROR
|
||
foreach ($failure in $failures) { Write-Log " - $failure" -Level ERROR }
|
||
}
|
||
|
||
$summaryText = "恢复完成 - 成功：$($stats.restored)，跳过：$($stats.skipped)，失败：$($stats.failed)"
|
||
if ($VerifyOnly) { $summaryText = "校验完成 - 通过：$($stats.verified)，失败：$($stats.failed)" }
|
||
if ($stats.planned -gt 0) { $summaryText += "，试运行计划：$($stats.planned)" }
|
||
Write-Log $summaryText -Level INFO
|
||
|
||
$logPath = Get-BaknretLogPath
|
||
if ($logPath) { Write-Log "日志已写入：$logPath" -Level INFO }
|
||
Stop-BaknretLog
|
||
|
||
if ($stats.failed -gt 0) { exit 1 }
|
||
exit 0
|