# Copyright 2017 The Chromium Authors. All rights reserved. # Use of this source code is governed by a BSD-style license that can be # found in the LICENSE file. # ---------------------------------- NOTE ---------------------------------- # # # Please keep the logic in this file consistent with the logic in the # `update_dart_sdk.sh` script in the same directory to ensure that Flutter # continues to work across all platforms! # # -------------------------------------------------------------------------- # $ErrorActionPreference = "Stop" $progName = Split-Path -parent $MyInvocation.MyCommand.Definition $flutterRoot = (Get-Item $progName).parent.parent.FullName $cachePath = "$flutterRoot\bin\cache" $dartSdkPath = "$cachePath\dart-sdk" $dartSdkStampPath = "$cachePath\dart-sdk.stamp" $dartSdkVersion = (Get-Content "$flutterRoot\bin\internal\dart-sdk.version") $oldDartSdkPrefix = "dart-sdk.old" if ((Test-Path $dartSdkStampPath) -and ($dartSdkVersion -eq (Get-Content $dartSdkStampPath))) { return } Write-Host "Downloading Dart SDK $dartSdkVersion..." $dartSdkBaseUrl = $Env:FLUTTER_STORAGE_BASE_URL if (-not $dartSdkBaseUrl) { $dartSdkBaseUrl = "https://storage.googleapis.com" } $dartZipName = "dartsdk-windows-x64-release.zip" $dartChannel = if ($dartSdkVersion.Contains("-dev.")) {"dev"} else {if ($dartSdkVersion.Contains("hash/")) {"be"} else {"stable"}} $dartSdkUrl = "$dartSdkBaseUrl/dart-archive/channels/$dartChannel/raw/$dartSdkVersion/sdk/$dartZipName" if (Test-Path $dartSdkPath) { # Move old SDK to a new location instead of deleting it in case it is still in use (e.g. by IntelliJ). $oldDartSdkSuffix = 1 while (Test-Path "$cachePath\$oldDartSdkPrefix$oldDartSdkSuffix") { $oldDartSdkSuffix++ } Rename-Item $dartSdkPath "$oldDartSdkPrefix$oldDartSdkSuffix" } New-Item $dartSdkPath -force -type directory | Out-Null $dartSdkZip = "$cachePath\dart-sdk.zip" Import-Module BitsTransfer Start-BitsTransfer -Source $dartSdkUrl -Destination $dartSdkZip Write-Host "Unzipping Dart SDK..." If (Get-Command 7z -errorAction SilentlyContinue) { # The built-in unzippers are painfully slow. Use 7-Zip, if available. & 7z x $dartSdkZip -o"$cachePath" -bd | Out-Null } ElseIf (Get-Command Expand-Archive -errorAction SilentlyContinue) { # Use PowerShell's built-in unzipper, if available (requires PowerShell 5+). Expand-Archive $dartSdkZip -DestinationPath $cachePath } Else { # As last resort: fall back to the Windows GUI. $shell = New-Object -com shell.application $zip = $shell.NameSpace($dartSdkZip) foreach($item in $zip.items()) { $shell.Namespace($cachePath).copyhere($item) } } Remove-Item $dartSdkZip $dartSdkVersion | Out-File $dartSdkStampPath -Encoding ASCII # Try to delete all old SDKs. Get-ChildItem -Path $cachePath | Where {$_.BaseName.StartsWith($oldDartSdkPrefix)} | Remove-Item -Recurse -ErrorAction SilentlyContinue