Shuery
42f02d0eca
16 个没有前缀的公共函数补上 BakNRet（Write-Log → Write-BakNRetLog、Resolve-BackupEntry → Resolve-BakNRetBackupEntry、Find-ChildDirectoryByName → Find-BakNRetChildDirectoryByName 等）， 另外把全仓的 Baknret 统一成 BakNRet（47 个文件、940 处、65 个定义文件重命名）。 这不是审美问题：静态分析直接拓出一条实据 —— Write-Log 与本机某个已装模块导出的命令 **重名**（PSAvoidOverwritingBuiltInCmdlets），而重名的后果是导入两个模块时有一方的命令被 静默遮蔽。补前缀正是这条规则的解法，改名后它归零。 为什么敢做这个规模：PowerShell 的函数名解析大小写不敏感，所以 Baknret → BakNRet 在功能 上是零风险；真正要验证的是 16 个补前缀的调用点，而 276 个断言几乎覆盖了每个函数。另外 "名字与文件名一致"这条不变式有断言盯着（加载器点源的文件集合 vs 磁盘）。 踩到并记下的坑：Windows 文件系统大小写不敏感，所以**只改大小写**的重命名会被 Move-Item 当成同一个文件而静默跳过 —— 同一批里同时改了名字的那 16 个文件却成功了，于是"看起来能跑"。 最后用"先移到临时名、再移到目标名"的两步走解决，判断与替换全部改用显式大小写敏感的形式 （-creplace / -cmatch）。 顺带把名录指纹缓存从 MD5 换成 SHA256（PSAvoidUsingBrokenHashAlgorithms）：它只是缓存键， 没有兼容负担。 验收：test.ps1 9/9 全绿（7 与 5.1）、100 个文件两版解析零错、276 个断言全过、 构建工具仍能合回单文件（3300 行）。
342 lines
13 KiB
PowerShell
342 lines
13 KiB
PowerShell
<#
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.SYNOPSIS
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把归档名对齐到当前清单规则，并重建 manifest.json。
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.DESCRIPTION
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归档名由清单条目决定：
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* 软件名条目 -> 归档名 = 软件名（`Edge.7z`）；
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* 手写路径条目 -> 归档名 = `<末级名>_from_<上级路径>`（`FooClolor_from_C_+Programs.7z`）。
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条目写法变过（把软件名改成手写路径、改名、合并条目……）之后，磁盘上的旧归档名就与当前
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规则对不上了 —— 那样的归档恢复不到，会被当成孤儿。这个脚本负责把它们搬过去。
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做法：
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1. 遍历清单条目，算出**当前规则下的目标名**，以及一组**候选旧名**
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（路径命名算法 / 名录里的软件名 / manifest 里记过的归档名）；
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2. 目标名已经存在就跳过；否则在候选旧名里找实际存在的归档；
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3. 重命名（不是复制，同卷上是元数据操作，不搬数据）；
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4. 重建 manifest.json，把旧记录的历史字段（成功次数、SHA256 等）迁过去；
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5. 比对重命名前后的文件大小做完整性自检。
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默认是**试运行**，只打印计划。确认无误后加 -Apply 才真正执行。
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.EXAMPLE
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# 先看会发生什么（不改任何文件）
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.\tools\Rename-Archives.ps1
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.EXAMPLE
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# 真正执行
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.\tools\Rename-Archives.ps1 -Apply
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#>
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[CmdletBinding()]
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param(
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[string]$BackupListPath,
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[string]$BackupDir,
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[string]$ConfigPath,
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[switch]$Apply
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)
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$ErrorActionPreference = 'Stop'
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$projectRoot = Split-Path -Parent $PSScriptRoot
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# 默认值不能写在 param() 里：Windows PowerShell 5.1 在带 [CmdletBinding()] 的脚本上，
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# 参数绑定阶段还没有给 $PSScriptRoot 赋值，默认值表达式会拿到空串（实测：带
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# [CmdletBinding()] -> 空串，不带 -> 正常；PowerShell 7 两种都正常）。所以默认值
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# 一律在这里补 —— 这也是本仓库对 -BackupDir / -ConfigPath 一直在用的写法。
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if (-not $BackupListPath) { $BackupListPath = Join-Path $projectRoot 'BackupList.txt' }
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Import-Module (Join-Path $projectRoot 'BakNRet\BakNRet.psd1') -Force
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if (-not $ConfigPath) { $ConfigPath = Join-Path $projectRoot 'BackupConfig.psd1' }
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$config = Get-BakNRetConfig -Path $ConfigPath
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if (-not $BackupDir) {
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$BackupDir = $config.BackupDir
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if (-not [System.IO.Path]::IsPathRooted($BackupDir)) { $BackupDir = Join-Path $projectRoot $BackupDir }
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}
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$catalogPath = Resolve-BakNRetCatalogPath -Configured $config.SoftwareCatalog -Root $projectRoot
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$manifestPath = Join-Path $BackupDir 'manifest.json'
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$supportedFormats = @('.7z', '.rar', '.zip', '.tar')
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if (-not (Test-Path -LiteralPath $BackupDir)) {
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Write-Host "备份目录不存在：$BackupDir" -ForegroundColor Red
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exit 1
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}
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Write-Host ''
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Write-Host "备份目录 : $BackupDir"
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Write-Host "软件名录 : $catalogPath"
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Write-Host "清单 : $BackupListPath"
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Write-Host "模式 : $(if ($Apply) { '执行（-Apply）' } else { '试运行（默认，不改任何文件）' })"
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Write-Host ''
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function Find-ArchiveByBaseName {
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param([string]$BaseName, [string]$Directory, [string[]]$Formats)
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return Get-ChildItem -LiteralPath $Directory -File -Force -ErrorAction SilentlyContinue |
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Where-Object { $_.BaseName -eq $BaseName -and $_.Extension.ToLower() -in $Formats } |
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Select-Object -First 1
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}
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# ---------------------------------------------------------------------------
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# 阶段一：规划
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# ---------------------------------------------------------------------------
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$manifestOld = Read-BakNRetManifest -Path $manifestPath
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# manifest 里的历史归档名按 source / resolvedSource 建索引：
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# 条目写法改过（软件名 -> 手写路径、改名、合并）之后，键对不上了，
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# 但"这条清单行原本指向哪儿"通常还留在这两个字段里，靠它才能把旧归档接上。
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$manifestBySource = @{}
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foreach ($key in @($manifestOld.items.Keys)) {
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$record = $manifestOld.items[$key]
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if (-not $record) { continue }
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$archiveName = $key
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if (($record.PSObject.Properties.Name -contains 'archive') -and $record.archive) {
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$archiveName = [System.IO.Path]::GetFileNameWithoutExtension([string]$record.archive)
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}
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foreach ($field in 'source', 'resolvedSource', 'catalog') {
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if (-not ($record.PSObject.Properties.Name -contains $field)) { continue }
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$value = [string]$record.$field
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if ([string]::IsNullOrWhiteSpace($value)) { continue }
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$mapKey = $value.Trim().ToLower()
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if (-not $manifestBySource.ContainsKey($mapKey)) { $manifestBySource[$mapKey] = @() }
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$manifestBySource[$mapKey] += $archiveName
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}
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}
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$plan = @()
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$unchanged = 0
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$missingOld = 0
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$conflicts = @()
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$seenNew = @{}
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$entries = @()
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foreach ($line in (Get-Content -Encoding UTF8 -LiteralPath $BackupListPath)) {
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$item = ConvertFrom-BackupListLine -Line $line
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if (-not $item) { continue }
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$resolved = Resolve-BakNRetBackupEntry -Entry $item -CatalogPath $catalogPath -MaxDepth $config.CatalogMaxDepth
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$newName = $resolved.BaseName
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if (-not $newName) { continue }
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if ($seenNew.ContainsKey($newName)) {
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$conflicts += "归档名 '$newName' 被 '$($seenNew[$newName])' 和 '$($item.Path)' 同时使用"
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continue
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}
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$seenNew[$newName] = $item.Path
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# 候选旧名（按可能性排序）：
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# 1. 路径命名算法（对名录条目要用 Slot 的 Path，直接拿软件名算出来的是错的）；
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# 2. 名录里的软件名（旧规则：归档名 = 软件名）；
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# 3. manifest 里为这条记录记过的归档名。
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$candidates = @()
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$pathSource = $item.Path
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if ($resolved.IsName) {
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$slots = @($resolved.CatalogEntry.Slots)
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$pathSource = if ($slots.Count -eq 1) { $slots[0].Declared } else { $null }
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}
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if ($pathSource) {
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$derived = Get-BakNRetBackupBaseName -RawPath $pathSource
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if ($derived) { $candidates += $derived }
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}
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if ($resolved.IsName) {
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$candidates += (Format-BakNRetCatalogName -Name $item.Path)
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}
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if ($manifestOld.items.Contains($newName)) {
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$recorded = $manifestOld.items[$newName]
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if (($recorded.PSObject.Properties.Name -contains 'archive') -and $recorded.archive) {
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$candidates += [System.IO.Path]::GetFileNameWithoutExtension([string]$recorded.archive)
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}
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}
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# manifest 里"指向过同一个源"的历史归档名
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$lookupKeys = @([string]$item.Path)
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foreach ($entryItem in @($resolved.Items)) {
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if ($entryItem.Declared) { $lookupKeys += [string]$entryItem.Declared }
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if ($entryItem.RealPath) { $lookupKeys += [string]$entryItem.RealPath }
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}
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foreach ($lookupKey in $lookupKeys) {
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if ([string]::IsNullOrWhiteSpace($lookupKey)) { continue }
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$mapKey = $lookupKey.Trim().ToLower()
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if ($manifestBySource.ContainsKey($mapKey)) { $candidates += @($manifestBySource[$mapKey]) }
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}
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$candidates = @($candidates | Where-Object { $_ -and $_ -ne $newName } | Select-Object -Unique)
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$entries += [pscustomobject]@{ Item = $item; NewName = $newName; Resolved = $resolved; Candidates = $candidates }
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if (Find-ArchiveByBaseName -BaseName $newName -Directory $BackupDir -Formats $supportedFormats) {
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$unchanged++
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continue
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}
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$oldFile = $null
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foreach ($candidate in $candidates) {
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$foundCandidate = Find-ArchiveByBaseName -BaseName $candidate -Directory $BackupDir -Formats $supportedFormats
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if ($foundCandidate) { $oldFile = $foundCandidate; break }
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}
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if (-not $oldFile) { $missingOld++; continue }
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$plan += [pscustomobject]@{
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Old = $oldFile
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New = ($newName + $oldFile.Extension)
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Item = $item
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Resolved = $resolved
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}
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}
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Write-Host "待重命名 $($plan.Count) 个；命名未变 $unchanged 个；清单里有但归档不存在 $missingOld 个"
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if ($plan.Count -gt 0) {
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Write-Host ''
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foreach ($entry in $plan) {
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Write-Host (" {0,10:N1} MB {1}" -f ($entry.Old.Length / 1MB), $entry.Old.Name)
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Write-Host (" -> {0}" -f $entry.New)
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}
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}
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if ($conflicts.Count -gt 0) {
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Write-Host ''
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Write-Host '存在归档名冲突，必须先解决（否则会互相覆盖）：' -ForegroundColor Red
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$conflicts | ForEach-Object { Write-Host " - $_" -ForegroundColor Red }
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exit 1
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}
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Write-Host ''
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if (-not $Apply) {
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Write-Host '试运行结束，未改动任何文件。确认无误后加 -Apply 执行。' -ForegroundColor Yellow
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exit 0
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}
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# ---------------------------------------------------------------------------
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# 阶段二：重命名
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# ---------------------------------------------------------------------------
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$ok = 0
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$failed = 0
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foreach ($entry in $plan) {
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$target = Join-Path $BackupDir $entry.New
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try {
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if (Test-Path -LiteralPath $target) {
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Write-Host "跳过（目标已存在）: $($entry.New)" -ForegroundColor Yellow
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$failed++
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continue
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}
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$oldSize = $entry.Old.Length
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Rename-Item -LiteralPath $entry.Old.FullName -NewName $entry.New -ErrorAction Stop
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$newFile = Get-Item -LiteralPath $target -ErrorAction Stop
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if ($newFile.Length -ne $oldSize) {
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throw "重命名后大小不一致（$oldSize -> $($newFile.Length)）"
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}
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Write-Host "已重命名: $($entry.Old.Name) -> $($entry.New)" -ForegroundColor Green
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$ok++
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}
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catch {
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Write-Host "重命名失败: $($entry.Old.Name) —— $_" -ForegroundColor Red
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$failed++
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}
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}
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# ---------------------------------------------------------------------------
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# 阶段三：重建 manifest
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# ---------------------------------------------------------------------------
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$rebuilt = [ordered]@{}
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$now = (Get-Date).ToString('o')
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foreach ($entry in $entries) {
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$file = Find-ArchiveByBaseName -BaseName $entry.NewName -Directory $BackupDir -Formats $supportedFormats
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# 历史字段优先从新键取，其次从候选旧名里取
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$previous = $null
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if ($manifestOld.items.Contains($entry.NewName)) { $previous = $manifestOld.items[$entry.NewName] }
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else {
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foreach ($candidate in $entry.Candidates) {
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if ($manifestOld.items.Contains($candidate)) { $previous = $manifestOld.items[$candidate]; break }
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}
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}
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$getPrevious = {
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param([string]$Field)
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if ($previous -and ($previous.PSObject.Properties.Name -contains $Field)) { return $previous.$Field }
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return $null
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}
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$record = [ordered]@{
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baseName = $entry.NewName
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source = $entry.Item.Path
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resolvedSource = [Environment]::ExpandEnvironmentVariables($entry.Item.Path)
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roots = @($entry.Resolved.Items | ForEach-Object { $_.TopName } | Select-Object -Unique)
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layouts = @($entry.Resolved.Items | ForEach-Object {
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[ordered]@{ name = $_.ArchivePath; kind = $(if ($_.IsFile) { 'file' } else { 'dir' }) }
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})
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catalog = $(if ($entry.Resolved.CatalogEntry) { $entry.Resolved.CatalogEntry.Path } else { $null })
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archive = $(if ($file) { $file.Name } else { $entry.NewName + '.7z' })
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action = $(if ($file) { 'backed-up' } else { 'missing-source' })
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reason = '由 tools/Rename-Archives.ps1 迁移生成'
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phase = 'migrate'
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attemptedAt = $now
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finishedAt = $now
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durationSec = $null
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exitCode = $null
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verified = $false
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warnings = $false
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attemptWarnings = $false
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encrypted = [bool]$entry.Resolved.Encrypt
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sourceFiles = (& $getPrevious 'sourceFiles')
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sourceBytes = (& $getPrevious 'sourceBytes')
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archiveBytes = $(if ($file) { $file.Length } else { $null })
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sha256 = (& $getPrevious 'sha256')
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lastSuccessAt = $(if ($file) { (& $getPrevious 'lastSuccessAt') } else { (& $getPrevious 'lastSuccessAt') })
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successCount = $([int](& $getPrevious 'successCount'))
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failCount = $([int](& $getPrevious 'failCount'))
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}
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$lastRestore = & $getPrevious 'lastRestoreAt'
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if ($lastRestore) { $record['lastRestoreAt'] = $lastRestore }
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if ($file) { $rebuilt[$entry.NewName] = $record }
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}
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$manifestNew = [pscustomobject]@{
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schemaVersion = 1
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tool = 'BakNRet'
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updatedAt = $null
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compressor = $manifestOld.compressor
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items = $rebuilt
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}
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Write-BakNRetManifest -Path $manifestPath -Manifest $manifestNew | Out-Null
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# ---------------------------------------------------------------------------
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# 阶段四：报告
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# ---------------------------------------------------------------------------
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$referenced = @($rebuilt.Keys)
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$orphans = @(Get-ChildItem -LiteralPath $BackupDir -File -Force -ErrorAction SilentlyContinue |
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Where-Object { $_.Extension.ToLower() -in $supportedFormats -and $_.BaseName -notin $referenced })
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Write-Host ''
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Write-Host "重命名完成：成功 $ok，失败 $failed；manifest 已重建，含 $($rebuilt.Count) 个条目" -ForegroundColor Green
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if ($orphans.Count -gt 0) {
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Write-Host ''
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Write-Host '以下归档没有任何清单条目指向（恢复不到，注意别误删）：' -ForegroundColor Yellow
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foreach ($orphan in $orphans) {
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Write-Host (" - {0}（{1:N1} MB）" -f $orphan.Name, ($orphan.Length / 1MB)) -ForegroundColor Yellow
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}
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}
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if ($failed -gt 0) { exit 1 }
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exit 0
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