你见过启动耗时25秒的shell吗？

Snemc2026-09-26
5056
 echo $PROFILE
D:\Users\xz\Documents\PowerShell\Microsoft.PowerShell_profile.ps1
~
PS> cat D:\Users\xz\Documents\PowerShell\Microsoft.PowerShell_profile.ps1
# 入口：加载拆分配置
$configRoot = Join-Path (Split-Path -Parent $PROFILE) 'config'
$baseConfig = Join-Path $configRoot '01_base.ps1'
if (Test-Path -LiteralPath $baseConfig) {
    . $baseConfig
}
else {
    Write-Warning "PowerShell 基础配置不存在: $baseConfig"
}
~
PS> cat $configDir
Get-Content: Unable to get content because it is a directory: 'D:\Users\xz\Documents\PowerShell\config'. Please use 'Get-ChildItem' instead.
~
PS> cat D:\Users\xz\Documents\PowerShell\config\01_base.ps1
# 基础配置（参考 jswysnemc/dotfiles powershell/01_base.ps1，按本机路径适配）
# 加载入口：Microsoft.PowerShell_profile.ps1

# ===== 编码 =====
$OutputEncoding = [Console]::InputEncoding = [Console]::OutputEncoding = [System.Text.Encoding]::UTF8

# ===== PATH（仅在缺失时追加，避免重复）=====
function Add-PathIfMissing {
    param(
        [Parameter(Mandatory = $true)]
        [string]$Directory
    )
    if (-not (Test-Path -LiteralPath $Directory)) {
        return
    }
    $pathParts = $env:Path -split [IO.Path]::PathSeparator
    if ($pathParts -notcontains $Directory) {
        $env:Path = $Directory + [IO.Path]::PathSeparator + $env:Path
    }
}

Add-PathIfMissing -Directory 'D:\Apps\fzf'
Add-PathIfMissing -Directory 'D:\Apps\zoxide'
Add-PathIfMissing -Directory (Join-Path $env:LOCALAPPDATA 'Microsoft\WinGet\Links')

# ===== fzf / zoxide 环境（双栏：左列表 + 右预览）=====
$configDir = Split-Path -Parent $MyInvocation.MyCommand.Path
$fzfPreviewScript = Join-Path $configDir 'fzf-preview.ps1'
# 1. 右侧 50% 预览；Ctrl+/ 开关预览
# 2. 预览命令整体加双引号，避免 fzf 把 -NoProfile 拆成独立选项
$env:FZF_DEFAULT_OPTS = @(
    '--height=70%'
    '--layout=reverse'
    '--border'
    '--info=inline'
    '--preview-window=right:50%:wrap'
    '--bind=ctrl-j:down,ctrl-k:up'
    '--bind=ctrl-/:toggle-preview'
    "--preview=""pwsh -NoProfile -NonInteractive -File '$fzfPreviewScript' {}"""
) -join ' '
$env:_ZO_FZF_OPTS = $env:FZF_DEFAULT_OPTS
$env:_ZO_ECHO = '0'
$env:_ZO_EXCLUDE_DIRS = '*\.git\*;*\node_modules\*;C:\Windows\*'

function ff {
    fzf @args
}

# ===== 双行提示符 =====
# 第一行：路径（家目录缩写为 ~）；第二行：输入光标
function prompt {
    $location = $executionContext.SessionState.Path.CurrentLocation
    $path = $location.Path
    $homePath = [Environment]::GetFolderPath('UserProfile')
    if ($path.StartsWith($homePath, [System.StringComparison]::OrdinalIgnoreCase)) {
        $path = '~' + $path.Substring($homePath.Length)
    }

    $Host.UI.RawUI.WindowTitle = $location.Path

    # 管理员会话加前缀，便于区分
    $prefix = ''
    try {
        $identity = [Security.Principal.WindowsIdentity]::GetCurrent()
        $principal = [Security.Principal.WindowsPrincipal]$identity
        if ($principal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
            $prefix = '[Admin] '
        }
    }
    catch {
    }

    if ($PSVersionTable.PSVersion.Major -ge 7) {
        return "`e[36m$prefix$path`e[0m`nPS> "
    }

    return "$prefix$path`nPS> "
}

# ===== PSReadLine =====
if (Get-Module -ListAvailable PSReadLine) {
    Import-Module PSReadLine

    Set-PSReadLineOption -EditMode Windows
    Set-PSReadLineOption -HistorySearchCursorMovesToEnd
    Set-PSReadLineOption -BellStyle None
    Set-PSReadLineOption -ShowToolTips
    Set-PSReadLineOption -MaximumHistoryCount 10000

    # 1. 关闭历史预测，历史不参与补全
    # 2. Tab 使用菜单补全，候选来自 PowerShell / carapace
    try {
        Set-PSReadLineOption -PredictionSource None
    }
    catch {
    }

    Set-PSReadLineKeyHandler -Key Tab -Function MenuComplete
    Set-PSReadLineKeyHandler -Key UpArrow -Function HistorySearchBackward
    Set-PSReadLineKeyHandler -Key DownArrow -Function HistorySearchForward
    Set-PSReadLineKeyHandler -Key RightArrow -Function ForwardChar

    if ($PSVersionTable.PSVersion.Major -ge 7) {
        Set-PSReadLineOption -Colors @{ 'Selection' = "`e[7m" }
    }
}

# ===== PSFzf：路径/历史模糊查找，不接管 Tab =====
if ((Get-Command fzf -ErrorAction SilentlyContinue) -and (Get-Module -ListAvailable PSFzf)) {
    Import-Module PSFzf
    Set-PsFzfOption `
        -PSReadlineChordProvider 'Ctrl+t' `
        -PSReadlineChordReverseHistory 'Ctrl+r' `
        -PSReadlineChordSetLocation 'Alt+c'
}

# ===== carapace：第三方命令/参数补全 =====
# 可选：$env:CARAPACE_BRIDGES = 'zsh,fish,bash,inshellisense'
if (Get-Command carapace -ErrorAction SilentlyContinue) {
    carapace _carapace | Out-String | Invoke-Expression
}

# ===== zoxide（须在 _ZO_* 环境变量之后）=====
if (Get-Command zoxide -ErrorAction SilentlyContinue) {
    Invoke-Expression (& { (zoxide init powershell --cmd z | Out-String) })
}

# 交互式目录跳转
function c {
    if (-not (Get-Command zoxide -ErrorAction SilentlyContinue)) {
        Write-Error 'zoxide 未安装'
        return
    }
    $target = zoxide query -i
    if ($target) {
        Set-Location -LiteralPath $target
    }
}

# 命令速查：explain git commit
function explain {
    if ($args.Count -eq 0) {
        Write-Error '用法: explain <command>'
        return
    }
    $cmd = $args -join '+'
    Invoke-RestMethod -Uri "https://cheat.sh/$cmd" -UseBasicParsing
}
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