电源外壳配置文件

Question

所以我有这个 PowerShell 配置文件，git 分支显示得很好，问题是当我在每个文件夹位置末尾显示 PS 时：

这是我的脚本（我真的不知道我是否遗漏了什么，也许是 else 路径）：

function prompt {
  $p = Split-Path -leaf -path (Get-Location)
  $user = $env:UserName
  $host.UI.RawUI.WindowTitle = "\" + $p + ">"
  $host.UI.RawUI.ForegroundColor = "Blue"

  if (Test-Path .git) {
    $p = Split-Path -leaf -path (Get-Location)
    git branch | ForEach-Object {
      if ($_ -match "^\*(.*)") {
        $branch = $matches[1] + " - "
        Write-Host -NoNewLine $user -ForegroundColor Magenta
        Write-Host -NoNewLine "@\"
        Write-Host -NoNewLine $p -ForegroundColor Yellow
        Write-Host -NoNewLine " - " -ForegroundColor DarkGreen
        Write-Host -NoNewLine $branch -ForegroundColor DarkGreen
      }
    }
  }
  else {
    Write-Host -NoNewLine $user -ForegroundColor Magenta
    Write-Host -NoNewLine "@\"
    Write-Host -NoNewLine $p -ForegroundColor Yellow
    Write-Host -NoNewLine " "
  }
}

Answer 1

因为您的自定义 prompt 函数不产生（非空）success-stream 输出（参见about_Redirection), PowerShell 推断您根本没有定义此函数，并打印其 default 提示字符串，PS> (在你的情况下 after 是 Write-Host 调用的打印内容）。

此要求也在概念性 about_Prompts 主题中进行了解释。

为了避免这个问题，发送至少一个一个字符的字符串到成功输出流（而不是使用Write-Host, 默认情况下直接打印到 host).

例如（见倒数第二行）：

function prompt {
  $p = Split-Path -leaf -path (Get-Location)
  $user = $env:UserName
  $host.UI.RawUI.WindowTitle = "\" + $p + ">"
  $host.UI.RawUI.ForegroundColor = "Blue"

  if (Test-Path .git) {
    $p = Split-Path -leaf -path (Get-Location)
    git branch | ForEach-Object {
      if ($_ -match "^\*(.*)") {
        $branch = $matches[1] + " - "
        Write-Host -NoNewLine $user -ForegroundColor Magenta
        Write-Host -NoNewLine "@\"
        Write-Host -NoNewLine $p -ForegroundColor Yellow
        Write-Host -NoNewLine " - " -ForegroundColor DarkGreen
        Write-Host -NoNewLine $branch -ForegroundColor DarkGreen
      }
    }
  }
  else {
    Write-Host -NoNewLine $user -ForegroundColor Magenta
    Write-Host -NoNewLine "@\"
    Write-Host -NoNewLine $p -ForegroundColor Yellow
  }
  '> ' # !! Output to the success output stream to prevent default prompt.
}

电源外壳配置文件

Powershell configuration file

windows

powershell

windows-terminal