如何在 Chocolatey 安装后刷新 PowerShell 会话的环境而无需打开新会话

问题描述

我正在编写用于将 GitHub 源代码克隆到本地计算机的自动化脚本.
在我的脚本中安装 Git 后我失败了，它要求关闭/打开 powershell.
所以我安装Git后无法自动克隆代码.

I am writing automated script for cloning GitHub source code to local machine.
I failed after installing Git in my script, it asked for close/open powershell.
So I am not able to clone code automatic after installing Git.

这是我的代码:

iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))
 choco install -y git
 refreshenv
 Start-Sleep -Seconds 15

 git clone --mirror https://${username}:${password}@$hostname/${username}/$Projectname.git D:GitTemp -q 2>&1 | %{ "$_" }

错误:

git : The term 'git' is not recognized as the name of a cmdlet,
      function, script file, or operable program.
      Check the spelling of the name, or if a path was included,
      verify that the path is correct and try again.

请让我在不退出的情况下重新启动 PowerShell 应该放什么?

Please let me what should I put for reboot PowerShell without exiting?

推荐答案

你有一个引导问题:

• refreshenv(Update-SessionEnvironment)通常是正确的命令，用于在 choco install 之后使用环境变量更改更新当前会话.. 命令.

• refreshenv (an alias for Update-SessionEnvironment) is generally the right command to use to update the current session with environment-variable changes after a choco install ... command.

但是，在安装 Chocolatey 本身之后立即，refreshenv/Update-SessionEnvironment 本身仅在未来 PowerShell 会话，因为加载这些命令是通过添加到配置文件 $PROFILE 的代码发生的，基于环境变量 $env:ChocolateyInstall.

However, immediately after installing Chocolatey itself, refreshenv / Update-SessionEnvironment themselves are only available in future PowerShell sessions, because loading these commands happens via code added to profile $PROFILE, based on environment variable $env:ChocolateyInstall.

也就是说，您应该能够模拟在以后的会话中获取 $PROFILE 时 Chocolatey 所做的事情，以便能够使用 refreshenv/Update-SessionEnvironment 立即安装 Chocolatey:

That said, you should be able to emulate what Chocolatey does when $PROFILE is sourced in future sessions in order to be able to use refreshenv / Update-SessionEnvironment right away, immediately after installing Chocolatey:

iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))

choco install -y git

# Make `refreshenv` available right away, by defining the $env:ChocolateyInstall
# variable and importing the Chocolatey profile module.
# Note: Using `. $PROFILE` instead *may* work, but isn't guaranteed to.
$env:ChocolateyInstall = Convert-Path "$((Get-Command choco).Path)...."
Import-Module "$env:ChocolateyInstallhelperschocolateyProfile.psm1"

# refreshenv is now an alias for Update-SessionEnvironment
# (rather than invoking refreshenv.cmd, the *batch file* for use with cmd.exe)
# This should make git.exe accessible via the refreshed $env:PATH, so that it
# can be called by name only.
refreshenv

# Verify that git can be called.
git --version

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