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dnvm.ps1
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dnvm.ps1
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#Requires -Version 3
if (Test-Path env:WEBSITE_SITE_NAME)
{
# This script is run in Azure Web Sites
# Disable progress indicator
$ProgressPreference = "SilentlyContinue"
}
$ScriptPath = $MyInvocation.MyCommand.Definition
$Script:UseWriteHost = $true
function _WriteDebug($msg) {
if($Script:UseWriteHost) {
try {
Write-Debug $msg
} catch {
$Script:UseWriteHost = $false
_WriteDebug $msg
}
}
}
function _WriteOut {
param(
[Parameter(Mandatory=$false, Position=0, ValueFromPipeline=$true)][string]$msg,
[Parameter(Mandatory=$false)][ConsoleColor]$ForegroundColor,
[Parameter(Mandatory=$false)][ConsoleColor]$BackgroundColor,
[Parameter(Mandatory=$false)][switch]$NoNewLine)
if($__TestWriteTo) {
$cur = Get-Variable -Name $__TestWriteTo -ValueOnly -Scope Global -ErrorAction SilentlyContinue
$val = $cur + "$msg"
if(!$NoNewLine) {
$val += [Environment]::NewLine
}
Set-Variable -Name $__TestWriteTo -Value $val -Scope Global -Force
return
}
if(!$Script:UseWriteHost) {
if(!$msg) {
$msg = ""
}
if($NoNewLine) {
[Console]::Write($msg)
} else {
[Console]::WriteLine($msg)
}
}
else {
try {
if(!$ForegroundColor) {
$ForegroundColor = $host.UI.RawUI.ForegroundColor
}
if(!$BackgroundColor) {
$BackgroundColor = $host.UI.RawUI.BackgroundColor
}
Write-Host $msg -ForegroundColor:$ForegroundColor -BackgroundColor:$BackgroundColor -NoNewLine:$NoNewLine
} catch {
$Script:UseWriteHost = $false
_WriteOut $msg
}
}
}
### Constants
$ProductVersion="1.0.0"
$BuildVersion="beta5-10374"
$Authors="Microsoft Open Technologies, Inc."
# If the Version hasn't been replaced...
# We can't compare directly with the build version token
# because it'll just get replaced here as well :)
if($BuildVersion.StartsWith("{{")) {
# We're being run from source code rather than the "compiled" artifact
$BuildVersion = "HEAD"
}
$FullVersion="$ProductVersion-$BuildVersion"
Set-Variable -Option Constant "CommandName" ([IO.Path]::GetFileNameWithoutExtension($ScriptPath))
Set-Variable -Option Constant "CommandFriendlyName" ".NET Version Manager"
Set-Variable -Option Constant "DefaultUserDirectoryName" ".dnx"
Set-Variable -Option Constant "OldUserDirectoryNames" @(".kre", ".k")
Set-Variable -Option Constant "RuntimePackageName" "dnx"
Set-Variable -Option Constant "DefaultFeed" "https://www.nuget.org/api/v2"
Set-Variable -Option Constant "DefaultUnstableFeed" "https://www.myget.org/F/aspnetvnext/api/v2"
Set-Variable -Option Constant "CrossGenCommand" "k-crossgen"
Set-Variable -Option Constant "CommandPrefix" "dnvm-"
Set-Variable -Option Constant "DefaultArchitecture" "x86"
Set-Variable -Option Constant "DefaultRuntime" "clr"
Set-Variable -Option Constant "AliasExtension" ".txt"
# These are intentionally using "%" syntax. The environment variables are expanded whenever the value is used.
Set-Variable -Option Constant "OldUserHomes" @("%USERPROFILE%\.kre","%USERPROFILE%\.k")
Set-Variable -Option Constant "DefaultUserHome" "%USERPROFILE%\$DefaultUserDirectoryName"
Set-Variable -Option Constant "HomeEnvVar" "DNX_HOME"
Set-Variable -Option Constant "RuntimeShortFriendlyName" "DNX"
Set-Variable -Option Constant "DNVMUpgradeUrl" "https://raw.githubusercontent.com/aspnet/Home/dev/dnvm.ps1"
Set-Variable -Option Constant "AsciiArt" @"
___ _ ___ ____ ___
/ _ \/ |/ / | / / |/ /
/ // / /| |/ / /|_/ /
/____/_/|_/ |___/_/ /_/
"@
$ExitCodes = @{
"Success" = 0
"AliasDoesNotExist" = 1001
"UnknownCommand" = 1002
"InvalidArguments" = 1003
"OtherError" = 1004
"NoSuchPackage" = 1005
"NoRuntimesOnFeed" = 1006
}
$ColorScheme = $DnvmColors
if(!$ColorScheme) {
$ColorScheme = @{
"Banner"=[ConsoleColor]::Cyan
"RuntimeName"=[ConsoleColor]::Yellow
"Help_Header"=[ConsoleColor]::Yellow
"Help_Switch"=[ConsoleColor]::Green
"Help_Argument"=[ConsoleColor]::Cyan
"Help_Optional"=[ConsoleColor]::Gray
"Help_Command"=[ConsoleColor]::DarkYellow
"Help_Executable"=[ConsoleColor]::DarkYellow
"Feed_Name"=[ConsoleColor]::Cyan
"Warning" = [ConsoleColor]::Yellow
}
}
Set-Variable -Option Constant "OptionPadding" 20
Set-Variable -Option Constant "CommandPadding" 15
# Test Control Variables
if($__TeeTo) {
_WriteDebug "Saving output to '$__TeeTo' variable"
Set-Variable -Name $__TeeTo -Value "" -Scope Global -Force
}
# Commands that have been deprecated but do still work.
$DeprecatedCommands = @("unalias")
# Load Environment variables
$RuntimeHomes = $env:DNX_HOME
$UserHome = $env:DNX_USER_HOME
$ActiveFeed = $env:DNX_FEED
$ActiveUnstableFeed = $env:DNX_UNSTABLE_FEED
# Default Exit Code
$Script:ExitCode = $ExitCodes.Success
############################################################
### Below this point, the terms "DNVM", "DNX", etc. ###
### should never be used. Instead, use the Constants ###
### defined above ###
############################################################
# An exception to the above: The commands are defined by functions
# named "dnvm-[command name]" so that extension functions can be added
$StartPath = $env:PATH
if($CmdPathFile) {
if(Test-Path $CmdPathFile) {
_WriteDebug "Cleaning old CMD PATH file: $CmdPathFile"
Remove-Item $CmdPathFile -Force
}
_WriteDebug "Using CMD PATH file: $CmdPathFile"
}
# Determine where runtimes can exist (RuntimeHomes)
if(!$RuntimeHomes) {
# Set up a default value for the runtime home
$UnencodedHomes = "%USERPROFILE%\$DefaultUserDirectoryName"
} else {
$UnencodedHomes = $RuntimeHomes
}
$UnencodedHomes = $UnencodedHomes.Split(";")
$RuntimeHomes = $UnencodedHomes | ForEach-Object { [Environment]::ExpandEnvironmentVariables($_) }
$RuntimeDirs = $RuntimeHomes | ForEach-Object { Join-Path $_ "runtimes" }
# Determine the default installation directory (UserHome)
if(!$UserHome) {
_WriteDebug "Detecting User Home..."
$pf = $env:ProgramFiles
if(Test-Path "env:\ProgramFiles(x86)") {
$pf32 = Get-Content "env:\ProgramFiles(x86)"
}
# Canonicalize so we can do StartsWith tests
if(!$pf.EndsWith("\")) { $pf += "\" }
if($pf32 -and !$pf32.EndsWith("\")) { $pf32 += "\" }
$UserHome = $RuntimeHomes | Where-Object {
# Take the first path that isn't under program files
!($_.StartsWith($pf) -or $_.StartsWith($pf32))
} | Select-Object -First 1
_WriteDebug "Found: $UserHome"
if(!$UserHome) {
$UserHome = "$env:USERPROFILE\$DefaultUserDirectoryName"
}
}
_WriteDebug ""
_WriteDebug "=== Running $CommandName ==="
_WriteDebug "Runtime Homes: $RuntimeHomes"
_WriteDebug "User Home: $UserHome"
$AliasesDir = Join-Path $UserHome "alias"
$RuntimesDir = Join-Path $UserHome "runtimes"
$Aliases = $null
### Helper Functions
# Checks if a specified file exists in the destination folder and if not, copies the file
# to the destination folder.
function Safe-Filecopy {
param(
[Parameter(Mandatory=$true, Position=0)] $Filename,
[Parameter(Mandatory=$true, Position=1)] $SourceFolder,
[Parameter(Mandatory=$true, Position=2)] $DestinationFolder)
# Make sure the destination folder is created if it doesn't already exist.
if(!(Test-Path $DestinationFolder)) {
_WriteOut "Creating destination folder '$DestinationFolder' ... "
New-Item -Type Directory $Destination | Out-Null
}
$sourceFilePath = Join-Path $SourceFolder $Filename
$destFilePath = Join-Path $DestinationFolder $Filename
if(Test-Path $sourceFilePath) {
_WriteOut "Installing '$Filename' to '$DestinationFolder' ... "
if (Test-Path $destFilePath) {
_WriteOut " Skipping: file already exists" -ForegroundColor Yellow
}
else {
Copy-Item $sourceFilePath $destFilePath -Force
}
}
else {
_WriteOut "WARNING: Unable to install: Could not find '$Filename' in '$SourceFolder'. "
}
}
function GetArch($Architecture, $FallBackArch = $DefaultArchitecture) {
if(![String]::IsNullOrWhiteSpace($Architecture)) {
$Architecture
} elseif($CompatArch) {
$CompatArch
} else {
$FallBackArch
}
}
function GetRuntime($Runtime) {
if(![String]::IsNullOrWhiteSpace($Runtime)) {
$Runtime
} else {
$DefaultRuntime
}
}
function Write-Usage {
_WriteOut -ForegroundColor $ColorScheme.Banner $AsciiArt
_WriteOut "$CommandFriendlyName v$FullVersion"
if(!$Authors.StartsWith("{{")) {
_WriteOut "By $Authors"
}
_WriteOut -NoNewLine -ForegroundColor $ColorScheme.Help_Header "usage:"
_WriteOut -NoNewLine -ForegroundColor $ColorScheme.Help_Executable " $CommandName"
_WriteOut -NoNewLine -ForegroundColor $ColorScheme.Help_Command " <command>"
_WriteOut -ForegroundColor $ColorScheme.Help_Argument " [<arguments...>]"
}
function Write-Feeds {
_WriteOut
_WriteOut -ForegroundColor $ColorScheme.Help_Header "Current feed settings:"
_WriteOut -NoNewline -ForegroundColor $ColorScheme.Feed_Name "Default Stable: "
_WriteOut "$DefaultFeed"
_WriteOut -NoNewline -ForegroundColor $ColorScheme.Feed_Name "Default Unstable: "
_WriteOut "$DefaultUnstableFeed"
_WriteOut -NoNewline -ForegroundColor $ColorScheme.Feed_Name "Current Stable Override: "
if($ActiveFeed) {
_WriteOut "$ActiveFeed"
} else {
_WriteOut "<none>"
}
_WriteOut -NoNewline -ForegroundColor $ColorScheme.Feed_Name "Current Unstable Override: "
if($ActiveUnstableFeed) {
_WriteOut "$ActiveUnstableFeed"
} else {
_WriteOut "<none>"
}
}
function Get-RuntimeAlias {
if($Aliases -eq $null) {
_WriteDebug "Scanning for aliases in $AliasesDir"
if(Test-Path $AliasesDir) {
$Aliases = @(Get-ChildItem ($UserHome + "\alias\") | Select-Object @{label='Alias';expression={$_.BaseName}}, @{label='Name';expression={Get-Content $_.FullName }})
} else {
$Aliases = @()
}
}
$Aliases
}
function IsOnPath {
param($dir)
$env:Path.Split(';') -icontains $dir
}
function Get-RuntimeId(
[Parameter()][string]$Architecture,
[Parameter()][string]$Runtime) {
$Architecture = GetArch $Architecture
$Runtime = GetRuntime $Runtime
"$RuntimePackageName-$Runtime-win-$Architecture".ToLowerInvariant()
}
function Get-RuntimeName(
[Parameter(Mandatory=$true)][string]$Version,
[Parameter()][string]$Architecture,
[Parameter()][string]$Runtime) {
$aliasPath = Join-Path $AliasesDir "$Version$AliasExtension"
if(Test-Path $aliasPath) {
$BaseName = Get-Content $aliasPath
$Architecture = GetArch $Architecture (Get-PackageArch $BaseName)
$Runtime = GetRuntime $Runtime (Get-PackageArch $BaseName)
$Version = Get-PackageVersion $BaseName
}
"$(Get-RuntimeId $Architecture $Runtime).$Version"
}
filter List-Parts {
param($aliases)
$binDir = Join-Path $_.FullName "bin"
if (!(Test-Path $binDir)) {
return
}
$active = IsOnPath $binDir
$fullAlias=""
$delim=""
foreach($alias in $aliases) {
if($_.Name.Split('\', 2) -contains $alias.Name) {
$fullAlias += $delim + $alias.Alias
$delim = ", "
}
}
$parts1 = $_.Name.Split('.', 2)
$parts2 = $parts1[0].Split('-', 4)
return New-Object PSObject -Property @{
Active = $active
Version = $parts1[1]
Runtime = $parts2[1]
OperatingSystem = $parts2[2]
Architecture = $parts2[3]
Location = $_.Parent.FullName
Alias = $fullAlias
}
}
function Read-Alias($Name) {
_WriteDebug "Listing aliases matching '$Name'"
$aliases = Get-RuntimeAlias
$result = @($aliases | Where-Object { !$Name -or ($_.Alias.Contains($Name)) })
if($Name -and ($result.Length -eq 1)) {
_WriteOut "Alias '$Name' is set to '$($result[0].Name)'"
} elseif($Name -and ($result.Length -eq 0)) {
_WriteOut "Alias does not exist: '$Name'"
$Script:ExitCode = $ExitCodes.AliasDoesNotExist
} else {
$result
}
}
function Write-Alias {
param(
[Parameter(Mandatory=$true)][string]$Name,
[Parameter(Mandatory=$true)][string]$Version,
[Parameter(Mandatory=$false)][string]$Architecture,
[Parameter(Mandatory=$false)][string]$Runtime)
# If the first character is non-numeric, it's a full runtime name
if(![Char]::IsDigit($Version[0])) {
$runtimeFullName = $Version
} else {
$runtimeFullName = Get-RuntimeName $Version $Architecture $Runtime
}
$aliasFilePath = Join-Path $AliasesDir "$Name.txt"
$action = if (Test-Path $aliasFilePath) { "Updating" } else { "Setting" }
if(!(Test-Path $AliasesDir)) {
_WriteDebug "Creating alias directory: $AliasesDir"
New-Item -Type Directory $AliasesDir | Out-Null
}
_WriteOut "$action alias '$Name' to '$runtimeFullName'"
$runtimeFullName | Out-File $aliasFilePath ascii
}
function Delete-Alias {
param(
[Parameter(Mandatory=$true)][string]$Name)
$aliasPath = Join-Path $AliasesDir "$Name.txt"
if (Test-Path -literalPath "$aliasPath") {
_WriteOut "Removing alias $Name"
# Delete with "-Force" because we already confirmed above
Remove-Item -literalPath $aliasPath -Force
} else {
_WriteOut "Cannot remove alias '$Name'. It does not exist."
$Script:ExitCode = $ExitCodes.AliasDoesNotExist # Return non-zero exit code for scripting
}
}
function Apply-Proxy {
param(
[System.Net.WebClient] $wc,
[string]$Proxy
)
if (!$Proxy) {
$Proxy = $env:http_proxy
}
if ($Proxy) {
$wp = New-Object System.Net.WebProxy($Proxy)
$pb = New-Object UriBuilder($Proxy)
if (!$pb.UserName) {
$wp.Credentials = [System.Net.CredentialCache]::DefaultCredentials
} else {
$wp.Credentials = New-Object System.Net.NetworkCredential($pb.UserName, $pb.Password)
}
$wc.Proxy = $wp
}
}
function Find-Latest {
param(
[string]$runtime = "",
[string]$architecture = "",
[Parameter(Mandatory=$true)]
[string]$Feed,
[string]$Proxy
)
_WriteOut "Determining latest version"
$RuntimeId = Get-RuntimeId -Architecture:"$architecture" -Runtime:"$runtime"
$url = "$Feed/GetUpdates()?packageIds=%27$RuntimeId%27&versions=%270.0%27&includePrerelease=true&includeAllVersions=false"
# NOTE: DO NOT use Invoke-WebRequest. It requires PowerShell 4.0!
$wc = New-Object System.Net.WebClient
Apply-Proxy $wc -Proxy:$Proxy
_WriteDebug "Downloading $url ..."
try {
[xml]$xml = $wc.DownloadString($url)
} catch {
$Script:ExitCode = $ExitCodes.NoRuntimesOnFeed
throw "Unable to find any runtime packages on the feed!"
}
$version = Select-Xml "//d:Version" -Namespace @{d='http://schemas.microsoft.com/ado/2007/08/dataservices'} $xml
if($version) {
_WriteDebug "Found latest version: $version"
$version
} else {
throw "There are no runtimes matching the name $RuntimeId on feed $feed."
}
}
function Get-PackageVersion() {
param(
[string] $runtimeFullName
)
return $runtimeFullName -replace '[^.]*.(.*)', '$1'
}
function Get-PackageRuntime() {
param(
[string] $runtimeFullName
)
return $runtimeFullName -replace "$RuntimePackageName-([^-]*).*", '$1'
}
function Get-PackageArch() {
param(
[string] $runtimeFullName
)
return $runtimeFullName -replace "$RuntimePackageName-[^-]*-[^-]*-([^.]*).*", '$1'
}
function Download-Package(
[string]$Version,
[string]$Architecture,
[string]$Runtime,
[string]$DestinationFile,
[Parameter(Mandatory=$true)]
[string]$Feed,
[string]$Proxy) {
$url = "$Feed/package/" + (Get-RuntimeId $Architecture $Runtime) + "/" + $Version
_WriteOut "Downloading $runtimeFullName from $feed"
$wc = New-Object System.Net.WebClient
try {
Apply-Proxy $wc -Proxy:$Proxy
_WriteDebug "Downloading $url ..."
Register-ObjectEvent $wc DownloadProgressChanged -SourceIdentifier WebClient.ProgressChanged -action {
$Global:downloadData = $eventArgs
} | Out-Null
Register-ObjectEvent $wc DownloadFileCompleted -SourceIdentifier WebClient.ProgressComplete -action {
$Global:downloadData = $eventArgs
$Global:downloadCompleted = $true
} | Out-Null
$wc.DownloadFileAsync($url, $DestinationFile)
while(-not $Global:downloadCompleted){
$percent = $Global:downloadData.ProgressPercentage
$totalBytes = $Global:downloadData.TotalBytesToReceive
$receivedBytes = $Global:downloadData.BytesReceived
If ($percent -ne $null) {
Write-Progress -Activity ("Downloading $RuntimeShortFriendlyName from $url") `
-Status ("Downloaded $($Global:downloadData.BytesReceived) of $($Global:downloadData.TotalBytesToReceive) bytes") `
-PercentComplete $percent -Id 2 -ParentId 1
}
}
if($Global:downloadData.Error) {
if($Global:downloadData.Error.Response.StatusCode -eq [System.Net.HttpStatusCode]::NotFound){
throw "The server returned a 404 (NotFound). This is most likely caused by the feed not having the version that you typed. Check that you typed the right version and try again. Other possible causes are the feed doesn't have a $RuntimeShortFriendlyName of the right name format or some other error caused a 404 on the server."
} else {
throw "Unable to download package: {0}" -f $Global:downloadData.Error.Message
}
}
Write-Progress -Activity ("Downloading $RuntimeShortFriendlyName from $url") -Id 2 -ParentId 1 -Completed
}
finally {
Remove-Variable downloadData -Scope "Global"
Remove-Variable downloadCompleted -Scope "Global"
Unregister-Event -SourceIdentifier WebClient.ProgressChanged
Unregister-Event -SourceIdentifier WebClient.ProgressComplete
$wc.Dispose()
}
}
function Unpack-Package([string]$DownloadFile, [string]$UnpackFolder) {
_WriteDebug "Unpacking $DownloadFile to $UnpackFolder"
$compressionLib = [System.Reflection.Assembly]::LoadWithPartialName('System.IO.Compression.FileSystem')
if($compressionLib -eq $null) {
try {
# Shell will not recognize nupkg as a zip and throw, so rename it to zip
$runtimeZip = [System.IO.Path]::ChangeExtension($DownloadFile, "zip")
Rename-Item $DownloadFile $runtimeZip
# Use the shell to uncompress the nupkg
$shell_app=new-object -com shell.application
$zip_file = $shell_app.namespace($runtimeZip)
$destination = $shell_app.namespace($UnpackFolder)
$destination.Copyhere($zip_file.items(), 0x14) #0x4 = don't show UI, 0x10 = overwrite files
}
finally {
# Clean up the package file itself.
Remove-Item $runtimeZip -Force
}
} else {
[System.IO.Compression.ZipFile]::ExtractToDirectory($DownloadFile, $UnpackFolder)
# Clean up the package file itself.
Remove-Item $DownloadFile -Force
}
If (Test-Path -LiteralPath ($UnpackFolder + "\[Content_Types].xml")) {
Remove-Item -LiteralPath ($UnpackFolder + "\[Content_Types].xml")
}
If (Test-Path ($UnpackFolder + "\_rels\")) {
Remove-Item -LiteralPath ($UnpackFolder + "\_rels\") -Force -Recurse
}
If (Test-Path ($UnpackFolder + "\package\")) {
Remove-Item -LiteralPath ($UnpackFolder + "\package\") -Force -Recurse
}
}
function Get-RuntimePath($runtimeFullName) {
_WriteDebug "Resolving $runtimeFullName"
foreach($RuntimeHome in $RuntimeHomes) {
$runtimeBin = "$RuntimeHome\runtimes\$runtimeFullName\bin"
_WriteDebug " Candidate $runtimeBin"
if (Test-Path "$runtimeBin") {
_WriteDebug " Found in $runtimeBin"
return $runtimeBin
}
}
return $null
}
function Change-Path() {
param(
[string] $existingPaths,
[string] $prependPath,
[string[]] $removePaths
)
_WriteDebug "Updating value to prepend '$prependPath' and remove '$removePaths'"
$newPath = $prependPath
foreach($portion in $existingPaths.Split(';')) {
if(![string]::IsNullOrWhiteSpace($portion)) {
$skip = $portion -eq ""
foreach($removePath in $removePaths) {
if(![string]::IsNullOrWhiteSpace($removePath)) {
$removePrefix = if($removePath.EndsWith("\")) { $removePath } else { "$removePath\" }
if ($removePath -and (($portion -eq $removePath) -or ($portion.StartsWith($removePrefix)))) {
_WriteDebug " Removing '$portion' because it matches '$removePath'"
$skip = $true
}
}
}
if (!$skip) {
if(![String]::IsNullOrWhiteSpace($newPath)) {
$newPath += ";"
}
$newPath += $portion
}
}
}
return $newPath
}
function Set-Path() {
param(
[string] $newPath
)
$env:PATH = $newPath
if($CmdPathFile) {
$Parent = Split-Path -Parent $CmdPathFile
if(!(Test-Path $Parent)) {
New-Item -Type Directory $Parent -Force | Out-Null
}
_WriteDebug " Writing PATH file for CMD script"
@"
SET "PATH=$newPath"
"@ | Out-File $CmdPathFile ascii
}
}
function Ngen-Library(
[Parameter(Mandatory=$true)]
[string]$runtimeBin,
[ValidateSet("x86","x64")]
[Parameter(Mandatory=$true)]
[string]$architecture) {
if ($architecture -eq 'x64') {
$regView = [Microsoft.Win32.RegistryView]::Registry64
}
elseif ($architecture -eq 'x86') {
$regView = [Microsoft.Win32.RegistryView]::Registry32
}
else {
_WriteOut "Installation does not understand architecture $architecture, skipping ngen..."
return
}
$regHive = [Microsoft.Win32.RegistryHive]::LocalMachine
$regKey = [Microsoft.Win32.RegistryKey]::OpenBaseKey($regHive, $regView)
$frameworkPath = $regKey.OpenSubKey("SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full").GetValue("InstallPath")
$ngenExe = Join-Path $frameworkPath 'ngen.exe'
$ngenCmds = ""
foreach ($bin in Get-ChildItem $runtimeBin -Filter "Microsoft.CodeAnalysis.CSharp.dll") {
$ngenCmds += "$ngenExe install $($bin.FullName);"
}
$ngenProc = Start-Process "$psHome\powershell.exe" -Verb runAs -ArgumentList "-ExecutionPolicy unrestricted & $ngenCmds" -Wait -PassThru -WindowStyle Hidden
}
function Is-Elevated() {
$user = [Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()
return $user.IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")
}
### Commands
<#
.SYNOPSIS
Updates DNVM to the latest version.
.PARAMETER Proxy
Use the given address as a proxy when accessing remote server
#>
function dnvm-update-self {
param(
[Parameter(Mandatory=$false)]
[string]$Proxy)
_WriteOut "Updating $CommandName from $DNVMUpgradeUrl"
$wc = New-Object System.Net.WebClient
Apply-Proxy $wc -Proxy:$Proxy
$dnvmFile = Join-Path $PSScriptRoot "dnvm.ps1"
$wc.DownloadFile($DNVMUpgradeUrl, $dnvmFile)
}
<#
.SYNOPSIS
Displays a list of commands, and help for specific commands
.PARAMETER Command
A specific command to get help for
#>
function dnvm-help {
[CmdletBinding(DefaultParameterSetName="GeneralHelp")]
param(
[Parameter(Mandatory=$true,Position=0,ParameterSetName="SpecificCommand")][string]$Command,
[switch]$PassThru)
if($Command) {
$cmd = Get-Command "dnvm-$Command" -ErrorAction SilentlyContinue
if(!$cmd) {
_WriteOut "No such command: $Command"
dnvm-help
$Script:ExitCodes = $ExitCodes.UnknownCommand
return
}
$help = Get-Help "dnvm-$Command"
if($PassThru) {
$help
} else {
_WriteOut -ForegroundColor $ColorScheme.Help_Header "$CommandName $Command"
_WriteOut " $($help.Synopsis.Trim())"
_WriteOut
_WriteOut -ForegroundColor $ColorScheme.Help_Header "usage:"
$help.Syntax.syntaxItem | ForEach-Object {
_WriteOut -NoNewLine -ForegroundColor $ColorScheme.Help_Executable " $CommandName "
_WriteOut -NoNewLine -ForegroundColor $ColorScheme.Help_Command "$Command"
if($_.parameter) {
$_.parameter | ForEach-Object {
$cmdParam = $cmd.Parameters[$_.name]
$name = $_.name
if($cmdParam.Aliases.Length -gt 0) {
$name = $cmdParam.Aliases | Sort-Object | Select-Object -First 1
}
_WriteOut -NoNewLine " "
if($_.required -ne "true") {
_WriteOut -NoNewLine -ForegroundColor $ColorScheme.Help_Optional "["
}
if($_.position -eq "Named") {
_WriteOut -NoNewLine -ForegroundColor $ColorScheme.Help_Switch "-$name"
}
if($_.parameterValue) {
if($_.position -eq "Named") {
_WriteOut -NoNewLine " "
}
_WriteOut -NoNewLine -ForegroundColor $ColorScheme.Help_Argument "<$($_.name)>"
}
if($_.required -ne "true") {
_WriteOut -NoNewLine -ForegroundColor $ColorScheme.Help_Optional "]"
}
}
}
_WriteOut
}
if($help.parameters -and $help.parameters.parameter) {
_WriteOut
_WriteOut -ForegroundColor $ColorScheme.Help_Header "options:"
$help.parameters.parameter | ForEach-Object {
$cmdParam = $cmd.Parameters[$_.name]
$name = $_.name
if($cmdParam.Aliases.Length -gt 0) {
$name = $cmdParam.Aliases | Sort-Object | Select-Object -First 1
}
_WriteOut -NoNewLine " "
if($_.position -eq "Named") {
_WriteOut -NoNewLine -ForegroundColor $ColorScheme.Help_Switch "-$name".PadRight($OptionPadding)
} else {
_WriteOut -NoNewLine -ForegroundColor $ColorScheme.Help_Argument "<$($_.name)>".PadRight($OptionPadding)
}
_WriteOut " $($_.description.Text)"
}
}
if($help.description) {
_WriteOut
_WriteOut -ForegroundColor $ColorScheme.Help_Header "remarks:"
$help.description.Text.Split(@("`r","`n"), "RemoveEmptyEntries") |
ForEach-Object { _WriteOut " $_" }
}
if($DeprecatedCommands -contains $Command) {
_WriteOut "This command has been deprecated and should not longer be used"
}
}
} else {
Write-Usage
Write-Feeds
_WriteOut
_WriteOut -ForegroundColor $ColorScheme.Help_Header "commands: "
Get-Command "$CommandPrefix*" |
ForEach-Object {
$h = Get-Help $_.Name
$name = $_.Name.Substring($CommandPrefix.Length)
if($DeprecatedCommands -notcontains $name) {
_WriteOut -NoNewLine " "
_WriteOut -NoNewLine -ForegroundColor $ColorScheme.Help_Command $name.PadRight($CommandPadding)
_WriteOut " $($h.Synopsis.Trim())"
}
}
}
}
<#
.SYNOPSIS
Lists available runtimes
.PARAMETER PassThru
Set this switch to return unformatted powershell objects for use in scripting
#>
function dnvm-list {
param(
[Parameter(Mandatory=$false)][switch]$PassThru)
$aliases = Get-RuntimeAlias
$items = @()
$RuntimeHomes | ForEach-Object {
_WriteDebug "Scanning $_ for runtimes..."
if (Test-Path "$_\runtimes") {
$items += Get-ChildItem "$_\runtimes\$RuntimePackageName-*" | List-Parts $aliases
}
}
if($PassThru) {
$items
} else {
$items |
Sort-Object Version, Runtime, Architecture, Alias |
Format-Table -AutoSize -Property @{name="Active";expression={if($_.Active) { "*" } else { "" }};alignment="center"}, "Version", "Runtime", "Architecture", "Location", "Alias"
}
}
<#
.SYNOPSIS
Lists and manages aliases
.PARAMETER Name
The name of the alias to read/create/delete
.PARAMETER Version
The version to assign to the new alias
.PARAMETER Architecture
The architecture of the runtime to assign to this alias
.PARAMETER Runtime
The flavor of the runtime to assign to this alias
.PARAMETER Delete
Set this switch to delete the alias with the specified name
.DESCRIPTION
If no arguments are provided, this command lists all aliases. If <Name> is provided,
the value of that alias, if present, is displayed. If <Name> and <Version> are
provided, the alias <Name> is set to the runtime defined by <Version>, <Architecture>
(defaults to 'x86') and <Runtime> (defaults to 'clr').
Finally, if the '-d' switch is provided, the alias <Name> is deleted, if it exists.
#>
function dnvm-alias {
param(
[Alias("d")]
[Parameter(ParameterSetName="Delete",Mandatory=$true)]
[switch]$Delete,
[Parameter(ParameterSetName="Read",Mandatory=$false,Position=0)]
[Parameter(ParameterSetName="Write",Mandatory=$true,Position=0)]
[Parameter(ParameterSetName="Delete",Mandatory=$true,Position=0)]
[string]$Name,
[Parameter(ParameterSetName="Write",Mandatory=$true,Position=1)]
[string]$Version,
[Alias("arch")]
[ValidateSet("", "x86","x64")]
[Parameter(ParameterSetName="Write", Mandatory=$false)]
[string]$Architecture = "",
[Alias("r")]
[ValidateSet("", "clr","coreclr")]
[Parameter(ParameterSetName="Write")]
[string]$Runtime = "")
switch($PSCmdlet.ParameterSetName) {
"Read" { Read-Alias $Name }
"Write" { Write-Alias $Name $Version -Architecture $Architecture -Runtime $Runtime }
"Delete" { Delete-Alias $Name }
}
}
<#
.SYNOPSIS
[DEPRECATED] Removes an alias
.PARAMETER Name
The name of the alias to remove
#>
function dnvm-unalias {
param(
[Parameter(Mandatory=$true,Position=0)][string]$Name)
_WriteOut "This command has been deprecated. Use '$CommandName alias -d' instead"
dnvm-alias -Delete -Name $Name
}
<#
.SYNOPSIS
Installs the latest version of the runtime and reassigns the specified alias to point at it
.PARAMETER Alias
The alias to upgrade (default: 'default')
.PARAMETER Architecture
The processor architecture of the runtime to install (default: x86)
.PARAMETER Runtime
The runtime flavor to install (default: clr)
.PARAMETER Force
Overwrite an existing runtime if it already exists
.PARAMETER Proxy
Use the given address as a proxy when accessing remote server
.PARAMETER NoNative
Skip generation of native images
.PARAMETER Ngen
For CLR flavor only. Generate native images for runtime libraries on Desktop CLR to improve startup time. This option requires elevated privilege and will be automatically turned on if the script is running in administrative mode. To opt-out in administrative mode, use -NoNative switch.
.PARAMETER Unstable
Upgrade from our unstable dev feed. This will give you the latest development version of the runtime.
#>
function dnvm-upgrade {
param(
[Alias("a")]
[Parameter(Mandatory=$false, Position=0)]
[string]$Alias = "default",
[Alias("arch")]
[ValidateSet("", "x86","x64")]
[Parameter(Mandatory=$false)]
[string]$Architecture = "",
[Alias("r")]
[ValidateSet("", "clr","coreclr")]
[Parameter(Mandatory=$false)]
[string]$Runtime = "",
[Alias("f")]
[Parameter(Mandatory=$false)]
[switch]$Force,
[Parameter(Mandatory=$false)]
[string]$Proxy,
[Parameter(Mandatory=$false)]
[switch]$NoNative,
[Parameter(Mandatory=$false)]
[switch]$Ngen,
[Parameter(Mandatory=$false)]
[switch]$Unstable)
dnvm-install "latest" -Alias:$Alias -Architecture:$Architecture -Runtime:$Runtime -Force:$Force -Proxy:$Proxy -NoNative:$NoNative -Ngen:$Ngen -Unstable:$Unstable -Persistent:$true
}
<#
.SYNOPSIS
Installs a version of the runtime
.PARAMETER VersionNuPkgOrAlias
The version to install from the current channel, the path to a '.nupkg' file to install, 'latest' to
install the latest available version from the current channel, or an alias value to install an alternate