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54e3333182
In the packaged ZIP files for Flutter we bundle mingit on Windows to make setup for our users easier (they don't have to download and install git anymore). This change makes Flutter use the bundled mingit if it is available and if git is not installed on the system. This change will still require that users add `flutter\bin` to their path or they'll have to execute `flutter\bin\flutter.bat` directly. A follow-up PR will add a pre-configured Flutter Console that people can start with a double-click to minimize setup even further. Also in this PR: * If 7Zip is not available to unpack the Dart SDK try 7Zip's standalone version.
74 lines
3.0 KiB
PowerShell
74 lines
3.0 KiB
PowerShell
# Copyright 2017 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# ---------------------------------- NOTE ---------------------------------- #
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#
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# Please keep the logic in this file consistent with the logic in the
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# `update_dart_sdk.sh` script in the same directory to ensure that Flutter
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# continues to work across all platforms!
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#
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# -------------------------------------------------------------------------- #
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$ErrorActionPreference = "Stop"
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$progName = Split-Path -parent $MyInvocation.MyCommand.Definition
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$flutterRoot = (Get-Item $progName).parent.parent.FullName
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$cachePath = "$flutterRoot\bin\cache"
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$dartSdkPath = "$cachePath\dart-sdk"
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$dartSdkStampPath = "$cachePath\dart-sdk.stamp"
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$dartSdkVersion = (Get-Content "$flutterRoot\bin\internal\dart-sdk.version")
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$oldDartSdkPrefix = "dart-sdk.old"
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if ((Test-Path $dartSdkStampPath) -and ($dartSdkVersion -eq (Get-Content $dartSdkStampPath))) {
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return
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}
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Write-Host "Downloading Dart SDK $dartSdkVersion..."
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$dartSdkBaseUrl = $Env:FLUTTER_STORAGE_BASE_URL
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if (-not $dartSdkBaseUrl) {
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$dartSdkBaseUrl = "https://storage.googleapis.com"
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}
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$dartZipName = "dartsdk-windows-x64-release.zip"
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$dartChannel = if ($dartSdkVersion.Contains("-dev.")) {"dev"} else {if ($dartSdkVersion.Contains("hash/")) {"be"} else {"stable"}}
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$dartSdkUrl = "$dartSdkBaseUrl/dart-archive/channels/$dartChannel/raw/$dartSdkVersion/sdk/$dartZipName"
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if (Test-Path $dartSdkPath) {
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# Move old SDK to a new location instead of deleting it in case it is still in use (e.g. by IntelliJ).
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$oldDartSdkSuffix = 1
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while (Test-Path "$cachePath\$oldDartSdkPrefix$oldDartSdkSuffix") { $oldDartSdkSuffix++ }
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Rename-Item $dartSdkPath "$oldDartSdkPrefix$oldDartSdkSuffix"
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}
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New-Item $dartSdkPath -force -type directory | Out-Null
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$dartSdkZip = "$cachePath\dart-sdk.zip"
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Import-Module BitsTransfer
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Start-BitsTransfer -Source $dartSdkUrl -Destination $dartSdkZip
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Write-Host "Unzipping Dart SDK..."
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If (Get-Command 7z -errorAction SilentlyContinue) {
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# The built-in unzippers are painfully slow. Use 7-Zip, if available.
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& 7z x $dartSdkZip -o"$cachePath" -bd | Out-Null
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} ElseIf (Get-Command 7za -errorAction SilentlyContinue) {
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# Use 7-Zip's standalone version 7za.exe, if available.
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& 7za x $dartSdkZip -o"$cachePath" -bd | Out-Null
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} ElseIf (Get-Command Expand-Archive -errorAction SilentlyContinue) {
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# Use PowerShell's built-in unzipper, if available (requires PowerShell 5+).
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Expand-Archive $dartSdkZip -DestinationPath $cachePath
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} Else {
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# As last resort: fall back to the Windows GUI.
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$shell = New-Object -com shell.application
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$zip = $shell.NameSpace($dartSdkZip)
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foreach($item in $zip.items()) {
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$shell.Namespace($cachePath).copyhere($item)
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}
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}
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Remove-Item $dartSdkZip
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$dartSdkVersion | Out-File $dartSdkStampPath -Encoding ASCII
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# Try to delete all old SDKs.
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Get-ChildItem -Path $cachePath | Where {$_.BaseName.StartsWith($oldDartSdkPrefix)} | Remove-Item -Recurse -ErrorAction SilentlyContinue
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