Install-PSAITerminal.ps1
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#requires -Version 5.1 [CmdletBinding(SupportsShouldProcess)] param( [ValidateSet('Current','WindowsPowerShell','PowerShell','Both')] [string]$TargetHost = 'Current', [string]$ModuleRoot, [string]$ProfilePath, [switch]$NoProfileIntegration, [switch]$Force ) Set-StrictMode -Version 3.0 $ErrorActionPreference = 'Stop' if ($NoProfileIntegration -and -not [string]::IsNullOrWhiteSpace($ProfilePath)) { throw '-NoProfileIntegration 与 -ProfilePath 不能同时使用。' } if ($env:OS -ne 'Windows_NT') { throw 'PSAITerminal 0.6.0 仅支持 Windows。' } if ($TargetHost -eq 'Both' -and (-not [string]::IsNullOrWhiteSpace($ModuleRoot) -or -not [string]::IsNullOrWhiteSpace($ProfilePath))) { throw '-TargetHost Both 不能与 -ModuleRoot 或 -ProfilePath 同时使用。' } if ($env:PSAI_TEST_DOCUMENTS_HOME -and $env:PSAI_TEST_MODE -ne '1') { throw 'PSAI_TEST_DOCUMENTS_HOME 只能在 PSAI_TEST_MODE=1 的隔离测试中使用。' } $script:DocumentsRoot = if ($env:PSAI_TEST_DOCUMENTS_HOME) { [IO.Path]::GetFullPath($env:PSAI_TEST_DOCUMENTS_HOME) } else { [Environment]::GetFolderPath([Environment+SpecialFolder]::MyDocuments) } if ($TargetHost -eq 'Both') { $results = foreach ($hostTarget in @('WindowsPowerShell','PowerShell')) { $arguments = @{ TargetHost=$hostTarget; NoProfileIntegration=$NoProfileIntegration; Force=$Force; Confirm=$false } if ($WhatIfPreference) { $arguments.WhatIf = $true } & $PSCommandPath @arguments } return $results } $script:ResolvedTargetHost = if ($TargetHost -eq 'Current') { if ($PSVersionTable.PSEdition -eq 'Core') { 'PowerShell' } else { 'WindowsPowerShell' } } else { $TargetHost } $script:PathComparison = [StringComparison]::OrdinalIgnoreCase $script:DirectorySeparator = [IO.Path]::DirectorySeparatorChar function ConvertTo-PSAINormalizedPath([string]$Path) { [IO.Path]::GetFullPath($Path).TrimEnd([IO.Path]::DirectorySeparatorChar,[IO.Path]::AltDirectorySeparatorChar) } function Test-PSAIPathFullyQualified([string]$Path) { if ([string]::IsNullOrWhiteSpace($Path)) { return $false } [IO.Path]::GetFullPath($Path) -eq $Path -or $Path -match '^[A-Za-z]:[\\/]' } function Read-PSAITextFile([Parameter(Mandatory)][string]$Path) { $bytes = [IO.File]::ReadAllBytes($Path) if ($bytes.Length -eq 0) { return '' } $strictUtf8 = New-Object Text.UTF8Encoding($false, $true) if ($bytes.Length -ge 4 -and $bytes[0] -eq 0xFF -and $bytes[1] -eq 0xFE -and $bytes[2] -eq 0x00 -and $bytes[3] -eq 0x00) { return (New-Object Text.UTF32Encoding($false, $false, $true)).GetString($bytes, 4, $bytes.Length - 4) } if ($bytes.Length -ge 4 -and $bytes[0] -eq 0x00 -and $bytes[1] -eq 0x00 -and $bytes[2] -eq 0xFE -and $bytes[3] -eq 0xFF) { return (New-Object Text.UTF32Encoding($true, $false, $true)).GetString($bytes, 4, $bytes.Length - 4) } if ($bytes.Length -ge 3 -and $bytes[0] -eq 0xEF -and $bytes[1] -eq 0xBB -and $bytes[2] -eq 0xBF) { return $strictUtf8.GetString($bytes, 3, $bytes.Length - 3) } if ($bytes.Length -ge 2 -and $bytes[0] -eq 0xFF -and $bytes[1] -eq 0xFE) { return [Text.Encoding]::Unicode.GetString($bytes, 2, $bytes.Length - 2) } if ($bytes.Length -ge 2 -and $bytes[0] -eq 0xFE -and $bytes[1] -eq 0xFF) { return [Text.Encoding]::BigEndianUnicode.GetString($bytes, 2, $bytes.Length - 2) } try { return $strictUtf8.GetString($bytes) } catch [Text.DecoderFallbackException] { if ($PSVersionTable.PSEdition -eq 'Desktop') { return [Text.Encoding]::Default.GetString($bytes) } try { $providerType = [Type]::GetType('System.Text.CodePagesEncodingProvider, System.Text.Encoding.CodePages', $false) if ($providerType) { $provider = $providerType.GetProperty('Instance').GetValue($null, $null) [Text.Encoding]::RegisterProvider($provider) } $codePage = [Globalization.CultureInfo]::CurrentCulture.TextInfo.ANSICodePage return [Text.Encoding]::GetEncoding($codePage).GetString($bytes) } catch { throw "文件不是有效 UTF-8,且无法按系统代码页读取:$Path。$($_.Exception.Message)" } } } function Resolve-PSAIUserModuleRoot([string]$RequestedRoot) { $candidate = if ($RequestedRoot) { $RequestedRoot } else { Join-Path $script:DocumentsRoot "$script:ResolvedTargetHost\Modules" } if (-not (Test-PSAIPathFullyQualified $candidate)) { throw "模块根目录必须是完整路径:$candidate" } $fullPath = ConvertTo-PSAINormalizedPath $candidate $rootPath = [IO.Path]::GetPathRoot($fullPath).TrimEnd([IO.Path]::DirectorySeparatorChar,[IO.Path]::AltDirectorySeparatorChar) if ($fullPath.Equals($rootPath, $script:PathComparison)) { throw "拒绝使用磁盘根目录作为模块根:$fullPath" } foreach ($protectedPath in @($PSHOME,$env:ProgramFiles,[Environment]::GetEnvironmentVariable('ProgramFiles(x86)'),$env:windir)) { if (-not $protectedPath) { continue } $protectedRoot = (ConvertTo-PSAINormalizedPath $protectedPath) + $script:DirectorySeparator if (($fullPath + $script:DirectorySeparator).StartsWith($protectedRoot, $script:PathComparison)) { throw "拒绝使用系统目录作为模块根:$fullPath" } } $fullPath } function Write-PSAIUtf8FileAtomically([string]$Path, [string]$Content) { $directory = Split-Path -Parent $Path if ($directory) { [IO.Directory]::CreateDirectory($directory) | Out-Null } $temporaryPath = "$Path.tmp.$([guid]::NewGuid().ToString('N'))" $replacementBackup = "$Path.replace-backup.$([guid]::NewGuid().ToString('N'))" try { [IO.File]::WriteAllText($temporaryPath, $Content, (New-Object Text.UTF8Encoding($true))) if (Test-Path -LiteralPath $Path) { [IO.File]::Replace($temporaryPath, $Path, $replacementBackup) Remove-Item -LiteralPath $replacementBackup -Force } else { [IO.File]::Move($temporaryPath, $Path) } } finally { if (Test-Path -LiteralPath $temporaryPath) { Remove-Item -LiteralPath $temporaryPath -Force } if (Test-Path -LiteralPath $replacementBackup) { Remove-Item -LiteralPath $replacementBackup -Force } } } function Resolve-PSAIProfilePath([string]$RequestedPath) { $path = if ([string]::IsNullOrWhiteSpace($RequestedPath)) { Join-Path $script:DocumentsRoot "$script:ResolvedTargetHost\Microsoft.PowerShell_profile.ps1" } else { $RequestedPath } if ([string]::IsNullOrWhiteSpace($path) -or -not (Test-PSAIPathFullyQualified $path) -or [IO.Path]::GetExtension($path) -ne '.ps1') { throw 'Profile 路径必须是完整的 .ps1 文件路径。' } $resolved = [IO.Path]::GetFullPath($path) if (Test-Path -LiteralPath $resolved -PathType Container) { throw "Profile 路径指向目录:$resolved" } $resolved } function Get-PSAIProfileUpdate([string]$Content, [AllowNull()][string]$Block) { $knownRepair = $false $startText = '# PSAITerminal 自动加载(开始)' $endText = '# PSAITerminal 自动加载(结束)' $startMatches = @([regex]::Matches($Content, [regex]::Escape($startText))) if ($startMatches.Count -gt 1) { $innerStart = $startMatches[$startMatches.Count - 1].Index $openText = 'PSAITerminal 自动加载失败:$(' $suffixText = '.Exception.Message)" }' $openIndex = $Content.LastIndexOf($openText, $innerStart, [StringComparison]::Ordinal) $innerEnd = $Content.IndexOf($endText, $innerStart, [StringComparison]::Ordinal) if ($openIndex -ge 0 -and $innerEnd -ge 0) { $suffixIndex = $Content.IndexOf($suffixText, $innerEnd + $endText.Length, [StringComparison]::Ordinal) if ($suffixIndex -ge 0) { $candidateStart = $openIndex + $openText.Length $candidate = $Content.Substring($candidateStart, $suffixIndex - $candidateStart) if ([regex]::Matches($candidate, [regex]::Escape($startText)).Count -eq 1 -and [regex]::Matches($candidate, [regex]::Escape($endText)).Count -eq 1) { $Content = $candidate $knownRepair = $true } } } } $markerPattern = '(?m)(?:^|(?<=\$\())# PSAITerminal 自动加载((?<Kind>开始|结束))\r?$(?:\n)?' $markers = @([regex]::Matches($Content, $markerPattern)) if ($markers.Count -eq 0) { if ($null -eq $Block) { return [pscustomobject]@{ Content = $Content; RepairNeeded = $false } } $separator = if ($Content -and -not $Content.EndsWith("`n")) { [Environment]::NewLine } else { '' } return [pscustomobject]@{ Content = $Content + $separator + $Block.TrimEnd("`r", "`n") + [Environment]::NewLine RepairNeeded = $false } } $depth = 0 $maximumDepth = 0 $rangeStart = -1 $ranges = [Collections.Generic.List[object]]::new() foreach ($marker in $markers) { if ($marker.Groups['Kind'].Value -eq '开始') { if ($depth -eq 0) { $rangeStart = $marker.Index } $depth++ $maximumDepth = [Math]::Max($maximumDepth, $depth) } else { if ($depth -eq 0) { throw 'Profile 中的 PSAITerminal 自动加载结束标记没有对应的开始标记。' } $depth-- if ($depth -eq 0) { $ranges.Add([pscustomobject]@{ Start = $rangeStart; Length = $marker.Index + $marker.Length - $rangeStart }) } } } if ($depth -ne 0) { throw 'Profile 中的 PSAITerminal 自动加载开始标记没有对应的结束标记。' } $updated = $Content for ($index = $ranges.Count - 1; $index -ge 0; $index--) { $updated = $updated.Remove($ranges[$index].Start, $ranges[$index].Length) } if ($null -ne $Block) { $updated = $updated.Insert($ranges[0].Start, $Block.TrimEnd("`r", "`n") + [Environment]::NewLine) } [pscustomobject]@{ Content = $updated RepairNeeded = $knownRepair -or $markers.Count -ne 2 -or $maximumDepth -ne 1 } } function Test-PSAIPackageMatch([string]$Left, [string]$Right) { $expectedFiles = @( 'PSAITerminal.psd1', 'PSAITerminal.psm1', 'bin/PSAITerminal.dll', 'bin/PSAITerminal.PowerShell7.dll', 'README.md', 'CHANGELOG.md', 'LICENSE', 'Install-PSAITerminal.ps1', 'Uninstall-PSAITerminal.ps1', 'zh-CN/about_PSAITerminal.help.txt', 'en-US/about_PSAITerminal.help.txt') foreach ($relativePath in $expectedFiles) { $leftPath = Join-Path $Left $relativePath $rightPath = Join-Path $Right $relativePath if (-not (Test-Path -LiteralPath $rightPath) -or (Get-FileHash -LiteralPath $leftPath -Algorithm SHA256).Hash -ne (Get-FileHash -LiteralPath $rightPath -Algorithm SHA256).Hash) { return $false } } $expectedNames = @($expectedFiles | ForEach-Object { $_.Replace('\', '/') } | Sort-Object) $actualNames = @(Get-ChildItem -LiteralPath $Right -Recurse -File | ForEach-Object { $_.FullName.Substring($Right.Length + 1).Replace('\', '/') } | Sort-Object) if (($expectedNames -join "`n") -ne ($actualNames -join "`n")) { return $false } $true } $sourceManifest = Join-Path $PSScriptRoot 'PSAITerminal.psd1' $requiredSourceFiles = @( $sourceManifest, (Join-Path $PSScriptRoot 'PSAITerminal.psm1'), (Join-Path $PSScriptRoot 'bin/PSAITerminal.dll'), (Join-Path $PSScriptRoot 'bin/PSAITerminal.PowerShell7.dll'), (Join-Path $PSScriptRoot 'README.md'), (Join-Path $PSScriptRoot 'CHANGELOG.md'), (Join-Path $PSScriptRoot 'LICENSE'), (Join-Path $PSScriptRoot 'Uninstall-PSAITerminal.ps1'), (Join-Path $PSScriptRoot 'zh-CN/about_PSAITerminal.help.txt'), (Join-Path $PSScriptRoot 'en-US/about_PSAITerminal.help.txt') ) foreach ($path in $requiredSourceFiles) { if (-not (Test-Path -LiteralPath $path -PathType Leaf)) { throw "发布包不完整,缺少:$path" } } $manifestData = Import-PowerShellDataFile -LiteralPath $sourceManifest $moduleVersion = ([version]$manifestData.ModuleVersion).ToString() $resolvedModuleRoot = Resolve-PSAIUserModuleRoot $ModuleRoot $resolvedProfilePath = if ($NoProfileIntegration) { $null } else { Resolve-PSAIProfilePath $ProfilePath } $moduleBase = Join-Path $resolvedModuleRoot 'PSAITerminal' $destination = Join-Path $moduleBase $moduleVersion $stage = Join-Path $moduleBase ('.install-' + [guid]::NewGuid().ToString('N')) $backup = $null $profileBackup = $null $restartRequired = [bool](Get-Module PSAITerminal) if (-not $PSCmdlet.ShouldProcess($destination, "安装 PSAITerminal $moduleVersion")) { return } [IO.Directory]::CreateDirectory((Join-Path $stage 'bin')) | Out-Null try { foreach ($name in @('PSAITerminal.psd1', 'PSAITerminal.psm1', 'README.md', 'CHANGELOG.md', 'LICENSE', 'Install-PSAITerminal.ps1', 'Uninstall-PSAITerminal.ps1')) { $sourcePath = Join-Path $PSScriptRoot $name if (Test-Path -LiteralPath $sourcePath -PathType Leaf) { Copy-Item -LiteralPath $sourcePath -Destination (Join-Path $stage $name) -Force } } Copy-Item -LiteralPath (Join-Path $PSScriptRoot 'bin/PSAITerminal.dll') -Destination (Join-Path $stage 'bin/PSAITerminal.dll') -Force Copy-Item -LiteralPath (Join-Path $PSScriptRoot 'bin/PSAITerminal.PowerShell7.dll') -Destination (Join-Path $stage 'bin/PSAITerminal.PowerShell7.dll') -Force foreach ($helpCulture in @('zh-CN','en-US')) { $helpSource = Join-Path $PSScriptRoot $helpCulture if (Test-Path -LiteralPath $helpSource -PathType Container) { Copy-Item -LiteralPath $helpSource -Destination $stage -Recurse -Force } } $verifyRoot = Join-Path ([IO.Path]::GetTempPath()) ('PSAITerminal.Install.' + [guid]::NewGuid().ToString('N')) try { [IO.Directory]::CreateDirectory($verifyRoot) | Out-Null $verifyScript = Join-Path $verifyRoot 'verify.ps1' $verifyScriptContent = @' param( [Parameter(Mandatory)][string]$ManifestPath, [Parameter(Mandatory)][string]$ConfigPath, [Parameter(Mandatory)][string]$DataPath ) $ErrorActionPreference = 'Stop' $env:PSAI_CONFIG_HOME = $ConfigPath $env:PSAI_DATA_HOME = $DataPath Import-Module $ManifestPath -Force if (-not (Get-Command Get-PSAIIntegrationStatus -ErrorAction SilentlyContinue)) { throw '发布包未导出必要的诊断命令。' } '@ [IO.File]::WriteAllText($verifyScript, $verifyScriptContent, (New-Object Text.UTF8Encoding($true))) $pwshPath = if ($script:ResolvedTargetHost -eq 'WindowsPowerShell') { Join-Path $env:windir 'System32\WindowsPowerShell\v1.0\powershell.exe' } else { (Get-Command pwsh.exe -ErrorAction Stop).Source } & $pwshPath -NoLogo -NoProfile -NonInteractive -File $verifyScript ` -ManifestPath (Join-Path $stage 'PSAITerminal.psd1') ` -ConfigPath (Join-Path $verifyRoot 'config') ` -DataPath (Join-Path $verifyRoot 'data') if ($LASTEXITCODE -ne 0) { throw "发布包验证失败,退出码:$LASTEXITCODE" } } finally { if (Test-Path -LiteralPath $verifyRoot) { Remove-Item -LiteralPath $verifyRoot -Recurse -Force } } if (Test-Path -LiteralPath $destination) { if (Test-PSAIPackageMatch $stage $destination) { Remove-Item -LiteralPath $stage -Recurse -Force } else { if (-not $Force) { throw "目标版本已存在但内容不同:$destination。关闭正在使用该模块的 PowerShell 后使用 -Force 重试。" } $destinationWithSeparator = $destination + $script:DirectorySeparator $loaded = Get-Module PSAITerminal | Where-Object { $_.Path -and (ConvertTo-PSAINormalizedPath $_.Path).StartsWith($destinationWithSeparator, $script:PathComparison) } if ($loaded) { Remove-Module -ModuleInfo $loaded -Force -ErrorAction Stop $stillLoaded = Get-Module PSAITerminal | Where-Object { $_.Path -and (ConvertTo-PSAINormalizedPath $_.Path).StartsWith($destinationWithSeparator, $script:PathComparison) } if ($stillLoaded) { throw '无法从当前会话卸载正在使用的目标版本。请关闭该 PowerShell 后重试。' } } $backup = "$destination.backup.$([DateTime]::UtcNow.ToString('yyyyMMddHHmmss'))" Move-Item -LiteralPath $destination -Destination $backup try { Move-Item -LiteralPath $stage -Destination $destination } catch { if (-not (Test-Path -LiteralPath $destination) -and (Test-Path -LiteralPath $backup)) { Move-Item -LiteralPath $backup -Destination $destination } throw } } } else { Move-Item -LiteralPath $stage -Destination $destination } if (-not $NoProfileIntegration) { $profilePath = $resolvedProfilePath $profileContent = if (Test-Path -LiteralPath $profilePath) { Read-PSAITextFile $profilePath } else { '' } $block = @' # PSAITerminal 自动加载(开始) $__psaiModuleRoot = '{MODULE_ROOT}' if (@($env:PSModulePath -split [IO.Path]::PathSeparator) -notcontains $__psaiModuleRoot) { $env:PSModulePath = $__psaiModuleRoot + [IO.Path]::PathSeparator + $env:PSModulePath } try { Import-Module PSAITerminal -MinimumVersion '{VERSION}' -ErrorAction Stop } catch { Write-Warning "PSAITerminal 自动加载失败:$($_.Exception.Message)" } Remove-Variable __psaiModuleRoot -ErrorAction SilentlyContinue # PSAITerminal 自动加载(结束) '@ $escapedModuleRoot = $resolvedModuleRoot.Replace("'", "''") $block = $block.Replace('{MODULE_ROOT}', $escapedModuleRoot).Replace('{VERSION}', $moduleVersion) $profileUpdate = Get-PSAIProfileUpdate $profileContent $block if ($profileUpdate.RepairNeeded -and (Test-Path -LiteralPath $profilePath -PathType Leaf)) { $profileBackup = "$profilePath.psaiterminal-backup.$([DateTime]::UtcNow.ToString('yyyyMMddHHmmssfff')).$([guid]::NewGuid().ToString('N'))" Copy-Item -LiteralPath $profilePath -Destination $profileBackup Write-Warning "检测到重复或嵌套的 PSAITerminal Profile 区块,原文件已备份:$profileBackup" } if ($profileUpdate.Content -ne $profileContent) { Write-PSAIUtf8FileAtomically $profilePath $profileUpdate.Content } } if (-not [Console]::IsOutputRedirected) { Write-Host '' Write-Host 'PSAITerminal 安装完成。 / PSAITerminal installation completed.' -ForegroundColor Green Write-Host '默认界面语言:English(可在设置中切换为简体中文)。 / Default UI language: English (change it in Settings).' Write-Host '重新打开 PowerShell 后输入 ai 开始配置模型。 / Restart PowerShell, then type ai to configure a model.' } [pscustomobject]@{ Name = 'PSAITerminal' Version = $moduleVersion InstalledPath = $destination ProfileIntegration = -not $NoProfileIntegration ProfilePath = $resolvedProfilePath BackupPath = $backup ProfileBackupPath = $profileBackup RestartRequired = $restartRequired -or [bool](Get-Module PSAITerminal) } } finally { if (Test-Path -LiteralPath $stage) { Remove-Item -LiteralPath $stage -Recurse -Force } } |