mirror of
https://github.com/microsoft/vcpkg.git
synced 2024-11-25 20:39:00 +08:00
252 lines
9.5 KiB
PowerShell
252 lines
9.5 KiB
PowerShell
[CmdletBinding()]
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param(
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[string]$Dependency,
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[ValidateNotNullOrEmpty()]
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[string]$downloadPromptOverride = "0"
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)
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$downloadPromptOverride_NO_OVERRIDE= 0
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$downloadPromptOverride_DO_NOT_PROMPT = 1
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$downloadPromptOverride_ALWAYS_PROMPT = 2
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if ($PSVersionTable.PSEdition -ne "Core") {
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Import-Module BitsTransfer -Verbose:$false
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}
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Write-Verbose "Fetching dependency: $Dependency"
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$scriptsDir = split-path -parent $MyInvocation.MyCommand.Definition
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$vcpkgRootDir = & $scriptsDir\findFileRecursivelyUp.ps1 $scriptsDir .vcpkg-root
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$downloadsDir = "$vcpkgRootDir\downloads"
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function SelectProgram([Parameter(Mandatory=$true)][string]$Dependency)
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{
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function promptForDownload([string]$title, [string]$message, [string]$yesDescription, [string]$noDescription, [string]$downloadPromptOverride)
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{
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$do_not_prompt = ($downloadPromptOverride -eq $downloadPromptOverride_DO_NOT_PROMPT) -Or
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(Test-Path "$downloadsDir\AlwaysAllowEverything") -Or
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(Test-Path "$downloadsDir\AlwaysAllowDownloads")
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if (($downloadPromptOverride -ne $downloadPromptOverride_ALWAYS_PROMPT) -And $do_not_prompt)
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{
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return $true
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}
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$yes = New-Object System.Management.Automation.Host.ChoiceDescription "&Yes", $yesDescription
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$no = New-Object System.Management.Automation.Host.ChoiceDescription "&No", $noDescription
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$AlwaysAllowDownloads = New-Object System.Management.Automation.Host.ChoiceDescription "&Always Allow Downloads", ($yesDescription + "(Future download prompts will not be displayed)")
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$options = [System.Management.Automation.Host.ChoiceDescription[]]($yes, $no, $AlwaysAllowDownloads)
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$result = $host.ui.PromptForChoice($title, $message, $options, 0)
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switch ($result)
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{
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0 {return $true}
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1 {return $false}
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2 {
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New-Item "$downloadsDir\AlwaysAllowDownloads" -type file -force | Out-Null
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return $true
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}
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}
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throw "Unexpected result"
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}
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function performDownload( [Parameter(Mandatory=$true)][string]$Dependency,
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[Parameter(Mandatory=$true)][string]$url,
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[Parameter(Mandatory=$true)][string]$downloadDir,
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[Parameter(Mandatory=$true)][string]$downloadPath,
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[Parameter(Mandatory=$true)][string]$downloadVersion,
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[Parameter(Mandatory=$true)][string]$requiredVersion)
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{
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if (Test-Path $downloadPath)
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{
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return
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}
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$title = "Download " + $Dependency
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$message = ("No suitable version of " + $Dependency + " was found (requires $requiredVersion or higher). Download portable version?")
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$yesDescription = "Downloads " + $Dependency + " v" + $downloadVersion +" app-locally."
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$noDescription = "Does not download " + $Dependency + "."
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$userAllowedDownload = promptForDownload $title $message $yesDescription $noDescription $downloadPromptOverride
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if (!$userAllowedDownload)
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{
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throw [System.IO.FileNotFoundException] ("Could not detect suitable version of " + $Dependency + " and download not allowed")
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}
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if (!(Test-Path $downloadDir))
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{
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New-Item -ItemType directory -Path $downloadDir | Out-Null
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}
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if (($PSVersionTable.PSEdition -ne "Core") -and ($Dependency -ne "git")) # git fails with BITS
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{
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try {
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$WC = New-Object System.Net.WebClient
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$ProxyAuth = !$WC.Proxy.IsBypassed($url)
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If($ProxyAuth){
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$ProxyCred = Get-Credential -Message "Enter credentials for Proxy Authentication"
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$PSDefaultParameterValues.Add("Start-BitsTransfer:ProxyAuthentication","Basic")
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$PSDefaultParameterValues.Add("Start-BitsTransfer:ProxyCredential",$ProxyCred)
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}
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Start-BitsTransfer -Source $url -Destination $downloadPath -ErrorAction Stop
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}
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catch [System.Exception] {
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# If BITS fails for any reason, delete any potentially partially downloaded files and continue
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if (Test-Path $downloadPath)
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{
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Remove-Item $downloadPath
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}
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}
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}
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if (!(Test-Path $downloadPath))
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{
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Write-Verbose("Downloading $Dependency...")
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(New-Object System.Net.WebClient).DownloadFile($url, $downloadPath)
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}
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}
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# Enums (without resorting to C#) are only available on powershell 5+.
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$ExtractionType_NO_EXTRACTION_REQUIRED = 0
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$ExtractionType_ZIP = 1
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$ExtractionType_SELF_EXTRACTING_7Z = 2
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# Using this to wait for the execution to finish
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function Invoke-Command()
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{
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param ( [string]$program = $(throw "Please specify a program" ),
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[string]$argumentString = "",
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[switch]$waitForExit )
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$psi = new-object "Diagnostics.ProcessStartInfo"
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$psi.FileName = $program
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$psi.Arguments = $argumentString
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$proc = [Diagnostics.Process]::Start($psi)
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if ( $waitForExit )
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{
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$proc.WaitForExit();
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}
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}
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function Expand-ZIPFile($file, $destination)
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{
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if (!(Test-Path $destination))
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{
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New-Item -ItemType Directory -Path $destination | Out-Null
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}
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$shell = new-object -com shell.application
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$zip = $shell.NameSpace($file)
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foreach($item in $zip.items())
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{
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# Piping to Out-Null is used to block until finished
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$shell.Namespace($destination).copyhere($item) | Out-Null
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}
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}
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if($Dependency -eq "cmake")
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{
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$requiredVersion = "3.8.0"
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$downloadVersion = "3.8.0"
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$url = "https://cmake.org/files/v3.8/cmake-3.8.0-win32-x86.zip"
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$downloadPath = "$downloadsDir\cmake-3.8.0-win32-x86.zip"
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$expectedDownloadedFileHash = "857fca00974ad6ac12fa042373d85ad1288770d4f09fbd99753c822df76b1c6c"
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$executableFromDownload = "$downloadsDir\cmake-3.8.0-win32-x86\bin\cmake.exe"
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$extractionType = $ExtractionType_ZIP
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$extractionFolder = $downloadsDir
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}
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elseif($Dependency -eq "nuget")
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{
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$requiredVersion = "3.3.0"
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$downloadVersion = "3.5.0"
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$url = "https://dist.nuget.org/win-x86-commandline/v3.5.0/nuget.exe"
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$downloadPath = "$downloadsDir\nuget-3.5.0\nuget.exe"
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$expectedDownloadedFileHash = "399ec24c26ed54d6887cde61994bb3d1cada7956c1b19ff880f06f060c039918"
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$executableFromDownload = $downloadPath
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$extractionType = $ExtractionType_NO_EXTRACTION_REQUIRED
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}
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elseif($Dependency -eq "git")
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{
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$requiredVersion = "2.0.0"
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$downloadVersion = "2.11.1"
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$url = "https://github.com/git-for-windows/git/releases/download/v2.11.1.windows.1/MinGit-2.11.1-32-bit.zip" # We choose the 32-bit version
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$downloadPath = "$downloadsDir\MinGit-2.11.1-32-bit.zip"
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$expectedDownloadedFileHash = "6ca79af09015625f350ef4ad74a75cfb001b340aec095b6963be9d45becb3bba"
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# There is another copy of git.exe in MinGit\bin. However, an installed version of git add the cmd dir to the PATH.
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# Therefore, choosing the cmd dir here as well.
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$executableFromDownload = "$downloadsDir\MinGit-2.11.1-32-bit\cmd\git.exe"
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$extractionType = $ExtractionType_ZIP
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$extractionFolder = "$downloadsDir\MinGit-2.11.1-32-bit"
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}
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else
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{
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throw "Unknown program requested"
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}
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$downloadSubdir = Split-path $downloadPath -Parent
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if (!(Test-Path $downloadSubdir))
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{
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New-Item -ItemType Directory -Path $downloadSubdir | Out-Null
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}
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performDownload $Dependency $url $downloadsDir $downloadPath $downloadVersion $requiredVersion
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#calculating the hash
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if ($PSVersionTable.PSEdition -ne "Core")
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{
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$hashAlgorithm = [Security.Cryptography.HashAlgorithm]::Create("SHA256")
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$fileAsByteArray = [io.File]::ReadAllBytes($downloadPath)
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$hashByteArray = $hashAlgorithm.ComputeHash($fileAsByteArray)
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$downloadedFileHash = -Join ($hashByteArray | ForEach {"{0:x2}" -f $_})
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}
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else
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{
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$downloadedFileHash = (Get-FileHash -Path $downloadPath -Algorithm SHA256).Hash
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}
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if ($expectedDownloadedFileHash -ne $downloadedFileHash)
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{
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throw [System.IO.FileNotFoundException] ("Mismatching hash of the downloaded " + $Dependency)
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}
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if ($extractionType -eq $ExtractionType_NO_EXTRACTION_REQUIRED)
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{
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# do nothing
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}
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elseif($extractionType -eq $ExtractionType_ZIP)
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{
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if (-not (Test-Path $executableFromDownload)) # consider renaming the extraction folder to make sure the extraction finished
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{
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# Expand-Archive $downloadPath -dest "$extractionFolder" -Force # Requires powershell 5+
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Expand-ZIPFile -File $downloadPath -Destination $extractionFolder
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}
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}
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elseif($extractionType -eq $ExtractionType_SELF_EXTRACTING_7Z)
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{
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if (-not (Test-Path $executableFromDownload))
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{
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Invoke-Command $downloadPath "-y" -waitForExit:$true
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}
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}
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else
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{
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throw "Invalid extraction type"
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}
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if (-not (Test-Path $executableFromDownload))
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{
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throw [System.IO.FileNotFoundException] ("Could not detect or download " + $Dependency)
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}
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return $executableFromDownload
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}
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SelectProgram $Dependency
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Write-Verbose "Fetching dependency: $Dependency. Done."
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