dotnet-installer/scripts/obtain/install-dnx.ps1

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#
# Copyright (c) .NET Foundation and contributors. All rights reserved.
# Licensed under the MIT license. See LICENSE file in the project root for full license information.
#
. $PSScriptRoot\..\common\_common.ps1
$DnxPackage = "dnx-coreclr-win-x64.1.0.0-rc1-update1.nupkg"
$DnxVersion = "1.0.0-rc1-16231"
$doInstall = $true
# check if the required dnx version is already downloaded
if ((Test-Path "$DnxRoot\dnx.exe")) {
$dnxOut = & "$DnxRoot\dnx.exe" --version
if ($dnxOut -Match $DnxVersion) {
Write-Host "Dnx version - $DnxVersion already downloaded."
$doInstall = $false
}
}
if ($doInstall)
{
# Download dnx to copy to stage2
Remove-Item -Recurse -Force -ErrorAction Ignore $DnxDir
mkdir -Force "$DnxDir" | Out-Null
Write-Host "Downloading Dnx version - $DnxVersion."
$DnxUrl="https://api.nuget.org/packages/$DnxPackage"
Invoke-WebRequest -UseBasicParsing "$DnxUrl" -OutFile "$DnxDir\dnx.zip"
Add-Type -Assembly System.IO.Compression.FileSystem | Out-Null
[System.IO.Compression.ZipFile]::ExtractToDirectory("$DnxDir\dnx.zip", "$DnxDir")
}