dotnet-installer/scripts/obtain/install.ps1

107 lines
3 KiB
PowerShell

#
# 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.
#
param(
[string]$Channel="dev",
[string]$version="Latest"
)
$ErrorActionPreference="Stop"
$ProgressPreference="SilentlyContinue"
$fileVersion = $Version
if ($fileVersion -eq "Latest") {
$fileVersion = "latest"
}
$Feed="https://dotnetcli.blob.core.windows.net/dotnet"
$DotNetFileName="dotnet-win-x64.$fileVersion.zip"
$DotNetUrl="$Feed/$Channel/Binaries/$Version"
function say($str)
{
Write-Host "dotnet_install: $str"
}
$InstallDir = $env:DOTNET_INSTALL_DIR
if (!$InstallDir) {
$InstallDir = "$env:LocalAppData\Microsoft\dotnet"
}
say "Preparing to install .NET Tools to $InstallDir"
# Check if we need to bother
$LocalFile = "$InstallDir\cli\.version"
if (Test-Path $LocalFile)
{
$LocalData = @(cat $LocalFile)
$LocalHash = $LocalData[0].Trim()
$LocalVersion = $LocalData[1].Trim()
if ($LocalVersion -and $LocalHash)
{
if ($Version -eq "Latest")
{
$RemoteResponse = Invoke-WebRequest -UseBasicParsing "$Feed/$Channel/dnvm/latest.win.version"
$RemoteData = @([Text.Encoding]::UTF8.GetString($RemoteResponse.Content).Split([char[]]@(), [StringSplitOptions]::RemoveEmptyEntries));
$RemoteHash = $RemoteData[0].Trim()
$RemoteVersion = $RemoteData[1].Trim()
if (!$RemoteVersion -or !$RemoteHash) {
throw "Invalid response from feed"
}
say "Latest version: $RemoteVersion"
say "Local Version: $LocalVersion"
if($LocalHash -eq $RemoteHash)
{
say "You already have the latest version"
exit 0
}
}
elseif ($LocalVersion -eq $Version)
{
say "$Version is already installed."
exit 0
}
}
}
# Set up the install location
if (!(Test-Path $InstallDir)) {
mkdir $InstallDir | Out-Null
}
# De-powershell the path before passing to .NET APIs
$InstallDir = Convert-Path $InstallDir
say "Downloading $DotNetFileName from $DotNetUrl"
$resp = Invoke-WebRequest -UseBasicParsing "$DotNetUrl/$DotNetFileName" -OutFile "$InstallDir\$DotNetFileName"
say "Extracting zip"
# Create the destination
if (Test-Path "$InstallDir\cli_new") {
del -rec -for "$InstallDir\cli_new"
}
mkdir "$InstallDir\cli_new" | Out-Null
Add-Type -Assembly System.IO.Compression.FileSystem | Out-Null
[System.IO.Compression.ZipFile]::ExtractToDirectory("$InstallDir\$DotNetFileName", "$InstallDir\cli_new")
# Replace the old installation (if any)
if (Test-Path "$InstallDir\cli") {
del -rec -for "$InstallDir\cli"
}
mv "$InstallDir\cli_new" "$InstallDir\cli"
# Clean the zip
if (Test-Path "$InstallDir\$DotNetFileName") {
del -for "$InstallDir\$DotNetFileName"
}
say "The .NET Tools have been installed to $InstallDir\cli!"
# New layout
say "Add '$InstallDir\cli\bin' to your PATH to use dotnet"