PowerShell Core!

profile.ps1

// Install powershell core 6
// https://docs.microsoft.com/en-us/powershell/scripting/install/installing-powershell-core-on-windows?view=powershell-6

// Install posh-git by running this command from an Admin powershell 6 prompt
// PowerShellGet\Install-Module posh-git -Scope CurrentUser -AllowPrerelease -Force

// Or via chocalatey
// choco install poshgit

// paste this stuff into your user profile
// notepad $profile.CurrentUserAllHosts

Import-Module posh-git
Set-PSReadlineKeyHandler -Key Tab -Function MenuComplete
function code{Invoke-Expression("$HOME\AppData\Local\Code\bin\code.cmd $args")}

pushd "C:\Program Files (x86)\Microsoft Visual Studio\2017\Professional\Common7\Tools"
cmd /c "VsDevCmd.bat&set" |
foreach {
  if ($_ -match "=") {
    $v = $_.split("="); set-item -force -path "ENV:\$($v[0])"  -value "$($v[1])"
  }
}
popd
Write-Host "`nVisual Studio 2017 Command Prompt variables set." -ForegroundColor Yellow