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#!/usr/bin/env pwsh# Copyright 2018 the Deno authors. All rights reserved. MIT license.# Copyright 2022 justjavac. All rights reserved. MIT license.# TODO(everyone): Keep this script simple and easily auditable.
$ErrorActionPreference = 'Stop'
$DvmDir = $env:DVM_DIR$BinDir = if ($DvmDir) {  "$DvmDir\bin"} else {  "$Home\.dvm\bin"}
$DvmZip = "$BinDir\dvm.zip"$DvmExe = "$BinDir\dvm.exe"$DvmExeOldName = "dvm.exe.old"$DvmExeOld = "$BinDir\$DvmExeOldName"$DvmUri = "https://cdn.jsdelivr.net/gh/justjavac/dvm_releases@main/dvm-x86_64-pc-windows-msvc.zip"
if (!(Test-Path $BinDir)) {  New-Item $BinDir -ItemType Directory | Out-Null}
curl.exe -Lo $DvmZip $DvmUri
# Remove the old dvm.exe.old if it existsRemove-Item $DvmExeOld -ErrorAction SilentlyContinue# You cant delete a file that is currently running, so rename itRename-Item -Path $DvmExe -NewName $DvmExeOldName -ErrorAction SilentlyContinue
tar.exe xf $DvmZip -C $BinDir
Remove-Item $DvmZip
$User = [EnvironmentVariableTarget]::User$Path = [Environment]::GetEnvironmentVariable('Path', $User)
if (!(";$Path;".ToLower() -like "*;$BinDir;*".ToLower())) {  [Environment]::SetEnvironmentVariable('Path', "$Path;$BinDir", $User)  $Env:Path += ";$BinDir"}
Write-Output "Dvm was installed successfully to $DvmExe"Invoke-Expression -Command "dvm doctor"Write-Output "Run 'dvm --help' to get started"