Powershell Bootstrap script for VSCode Server

StartVSCodeServer.ps1

#require -version 5.1
#Usage: iwr https://tinyurl.com/VSCodeServer | iex
#Parameterized usage: & ([ScriptBlock]::Create((iwr https://tinyurl.com/VSCodeServer))) -Your -Options
param(
  #Path to install the vscode binary to. This defaults to a folder in your Local AppData path. Must be writable by your current user without sudo
  [string]$InstallPath,
  #Installation architecture. This is normally autodetected.
  $Arch,
  #Installation platform. Normally autodetected.
  $Target = 'unknown-linux-gnu',
  #Path to find the vscode server launcher. You normally dont need to change.
  $Uri = 'https://aka.ms/vscode-server-launcher',
  #Normally this script will use the existing detected code server. Specify to force a new install.
  $Force,
  #This script typically starts code-server automatically upon run. Specify to prevent that behavior
  $InstallOnly,
  #This script updates the path to include code-server so it can be specified again. Specify to prevent that behavior
  $NoUpdatePath
)
$ErrorActionPreference = 'Stop'
if (-not $InstallPath) {
  $InstallPath = Join-Path -Path ([System.Environment]::GetFolderPath('LocalApplicationData')) -ChildPath 'vscode-server'
}

#Supports 5.1+
$thisIsWindows = if ($PSVersionTable.psVersion -lt '6.0.0') {$true;$isWinPS=$true} else {$isWindows}

if ($thisIsWindows) {
  $Arch = switch ($ENV:PROCESSOR_ARCHITECTURE) {
    'AMD64' {'x86_64'}
    'ARM64' {'aarch64'}
    default {throw [NotSupportedException]'Unknown Windows Architecture, this is either a bug or you are trying to install on an x86 machine'}
  }
  $Target = 'pc-windows-msvc'
} elseif ($isLinux -or $isMacOS) {
  $Arch = (& uname -m) -replace 'arm64', 'aarch64'
  if (-not $Arch) {
    Write-Warning "Architecture not detected on Linux. Using generic binary. This is an uncommon issue."
    $Arch = ''
  }
  if ($isMacOS) {
    $Target = 'apple-darwin-signed'
  }
} else {
  throw [NotSupportedException]'This platform is not supported by this script.'
}

[Uri]$InstallUri = "$Uri/$Arch-$Target"


$OutBin = if ($thisIsWindows) {'code-server.exe'} else {'code-server'}
$OutBinPath = Join-Path -Path $InstallPath -ChildPath $OutBin

if (-not (Test-Path $OutBinPath) -or $Force) {
  Write-Verbose "Downloading vscode $Target $Arch from $InstallUri"
  #Prep the target folder if it doesn't exist and download the binary
  New-Item -ItemType Directory -Force -Path $InstallPath | Out-Null
  if ($isWinPS) {
    #Improves download performance on 5.1
    $lastProgressPreference = $ProgressPreference
    $ProgressPreference = 'SilentlyContinue'
  }

  Invoke-WebRequest -UseBasicParsing -Uri $InstallUri -OutFile $OutBinPath

  if (-not $thisIsWindows) {
    & chmod +x $OutBinPath
  }

  if ($isWinPS) {
    $ProgressPreference = $lastProgressPreference
  }

  Write-Verbose "Downloaded code server to $OutBinPath"

  if (-not $NoUpdatePath) {
    $Paths = [Environment]::GetEnvironmentVariable('Path', 'User') -split [io.path]::PathSeparator
    if ($InstallPath -notin $Paths) {
      Write-Verbose "PATH variable already contains $InstallPath, skipping..."
    } else {
      Write-Verbose "Updating PATH to include $InstallPath"
    }
    [string]$newPathVar = "$InstallPath" + [io.path]::PathSeparator + [Environment]::GetEnvironmentVariable('Path', 'User')
    [Environment]::SetEnvironmentVariable('Path', $newPathVar, 'User')
  }
} else {
  Write-Verbose "Found existing code server at $OutBinPath"
}

if (-not $InstallOnly) {
  Write-Verbose "Starting $OutBinPath in current path $PWD"
  & $OutBinPath
}