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dnvm.ps1
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dnvm.ps1
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#Requires -Version 2
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="{{BUILD_VERSION}}"
$Authors="{{AUTHORS}}"
# If the Version hasn't been replaced...
# We can't compare directly with the build version token
# because it'll just get replaced here as well :)
if($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 "DefaultGlobalDirectoryName" "Microsoft 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 "DefaultFeedKey" "DNX_FEED"
Set-Variable -Option Constant "DefaultUnstableFeed" "https://www.myget.org/F/aspnetvnext/api/v2"
Set-Variable -Option Constant "DefaultUnstableFeedKey" "DNX_UNSTABLE_FEED"
Set-Variable -Option Constant "CrossGenCommand" "dnx-crossgen"
Set-Variable -Option Constant "OldCrossGenCommand" "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"
Set-Variable -Option Constant "DefaultOperatingSystem" "win"
# 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) {
$ColorScheme = @{
"Banner"=[ConsoleColor]::Cyan
"RuntimeName"=[ConsoleColor]::Yellow
"Help_Header"=[ConsoleColor]::Yellow
"Help_Switch"=[ConsoleColor]::Green
"Help_Argument"=[ConsoleColor]::Cyan
"Help_Optional"=[ConsoleColor]::Gray
"Help_Command"=[ConsoleColor]::DarkYellow
"Help_Executable"=[ConsoleColor]::DarkYellow
"Feed_Name"=[ConsoleColor]::Cyan
"Warning" = [ConsoleColor]::Yellow
"Error" = [ConsoleColor]::Red
"ActiveRuntime" = [ConsoleColor]::Cyan
}
}
Set-Variable -Option Constant "OptionPadding" 20
Set-Variable -Option Constant "CommandPadding" 15
# Test Control Variables
if($__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 = $(if (Test-Path "env:\$HomeEnvVar") {Get-Content "env:\$HomeEnvVar"})
$UserHome = $env:DNX_USER_HOME
$GlobalHome = $env:DNX_GLOBAL_HOME
$ActiveFeed = $(if (Test-Path "env:\$DefaultFeedKey") {Get-Content "env:\$DefaultFeedKey"})
$ActiveUnstableFeed = $(if (Test-Path "env:\$DefaultUnstableFeedKey") {Get-Content "env:\$DefaultUnstableFeedKey"})
# 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: $CmdPathFile"
}
# Determine the default installation directory (UserHome)
if(!$UserHome) {
if ($RuntimeHomes) {
_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 = $RuntimeHomes.Split(";") | Where-Object {
# Take the first path that isn't under program files
!($_.StartsWith($pf) -or $_.StartsWith($pf32))
} | Select-Object -First 1
_WriteDebug "Found: $UserHome"
}
if(!$UserHome) {
$UserHome = "$DefaultUserHome"
}
}
$UserHome = [Environment]::ExpandEnvironmentVariables($UserHome)
# Determine the default global installation directory (GlobalHome)
if(!$GlobalHome) {
if($env:ProgramData) {
$GlobalHome = "$env:ProgramData\$DefaultGlobalDirectoryName"
} else {
$GlobalHome = "$env:AllUsersProfile\$DefaultGlobalDirectoryName"
}
}
$GlobalHome = [Environment]::ExpandEnvironmentVariables($GlobalHome)
# Determine where runtimes can exist (RuntimeHomes)
if(!$RuntimeHomes) {
# Set up a default value for the runtime home
$UnencodedHomes = "$UserHome;$GlobalHome"
} elseif ($RuntimeHomes.StartsWith(';')) {
_WriteOut "Ignoring invalid $HomeEnvVar; value was '$RuntimeHomes'" -ForegroundColor $ColorScheme.Warning
Clean-HomeEnv($true)
# Use default instead.
$UnencodedHomes = "$UserHome;$GlobalHome"
} else {
$UnencodedHomes = $RuntimeHomes
}
$UnencodedHomes = $UnencodedHomes.Split(";")
$RuntimeHomes = $UnencodedHomes | ForEach-Object { [Environment]::ExpandEnvironmentVariables($_) }
$RuntimeDirs = $RuntimeHomes | ForEach-Object { Join-Path $_ "runtimes" }
_WriteDebug ""
_WriteDebug "=== Running $CommandName ==="
_WriteDebug "Runtime Homes: $RuntimeHomes"
_WriteDebug "User Home: $UserHome"
$AliasesDir = Join-Path $UserHome "alias"
$RuntimesDir = Join-Path $UserHome "runtimes"
$GlobalRuntimesDir = Join-Path $GlobalHome "runtimes"
$Aliases = $null
### Helper Functions
# Remove $HomeEnv from process and user environment.
# Called when current value is invalid or after installing files to default location.
function Clean-HomeEnv {
param([switch]$SkipUserEnvironment)
if (Test-Path "env:\$HomeEnvVar") {
_WriteOut "Removing Process $HomeEnvVar"
Set-Content "env:\$HomeEnvVar" $null
}
if (!$SkipUserEnvironment -and [Environment]::GetEnvironmentVariable($HomeEnvVar, "User")) {
_WriteOut "Removing User $HomeEnvVar"
[Environment]::SetEnvironmentVariable($HomeEnvVar, $null, "User")
}
}
# Checks if a specified file exists in the destination folder and if not, copies the file
# to the destination folder.
function Safe-Filecopy {
param(
[Parameter(Mandatory=$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'. "
}
}
$OSRuntimeDefaults = @{
"win"="clr";
"linux"="mono";
"darwin"="mono";
}
$RuntimeBitnessDefaults = @{
"clr"="x86";
"coreclr"="x64";
}
function GetRuntimeInfo($Architecture, $Runtime, $OS, $Version) {
$runtimeInfo = @{
"Architecture"="$Architecture";
"Runtime"="$Runtime";
"OS"="$OS";
"Version"="$Version";
}
if([String]::IsNullOrEmpty($runtimeInfo.OS)) {
if($runtimeInfo.Runtime -eq "mono"){
#If OS is empty and you are asking for mono, i.e `dnvm install latest -os mono` then we don't know what OS to pick. It could be Linux or Darwin.
#we could just arbitrarily pick one but it will probably be wrong as often as not.
#If Mono can run on Windows then this error doesn't make sense anymore.
throw "Unable to determine an operating system for a $($runtimeInfo.Runtime) runtime. You must specify which OS to use with the OS parameter."
}
$runtimeInfo.OS = $DefaultOperatingSystem
}
if($runtimeInfo.OS -eq "osx") {
$runtimeInfo.OS = "darwin"
}
if([String]::IsNullOrEmpty($runtimeInfo.Runtime)) {
$runtimeInfo.Runtime = $OSRuntimeDefaults.Get_Item($runtimeInfo.OS)
}
if([String]::IsNullOrEmpty($runtimeInfo.Architecture)) {
$runtimeInfo.Architecture = $RuntimeBitnessDefaults.Get_Item($RuntimeInfo.Runtime)
}
$runtimeObject = New-Object PSObject -Property $runtimeInfo
$runtimeObject | Add-Member -MemberType ScriptProperty -Name RuntimeId -Value {
if($this.Runtime -eq "mono") {
"$RuntimePackageName-$($this.Runtime)".ToLowerInvariant()
} else {
"$RuntimePackageName-$($this.Runtime)-$($this.OS)-$($this.Architecture)".ToLowerInvariant()
}
}
$runtimeObject | Add-Member -MemberType ScriptProperty -Name RuntimeName -Value {
"$($this.RuntimeId).$($this.Version)"
}
$runtimeObject
}
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>"
}
_WriteOut
_WriteOut -NoNewline " To use override feeds, set "
_WriteOut -NoNewLine -ForegroundColor $ColorScheme.Help_Executable "$DefaultFeedKey"
_WriteOut -NoNewline " and "
_WriteOut -NoNewLine -ForegroundColor $ColorScheme.Help_Executable "$DefaultUnstableFeedKey"
_WriteOut -NoNewline " environment keys respectively"
_WriteOut
}
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 $_.FullName }}, @{label='Orphan';expression={-Not (Test-Path ($RuntimesDir + "\" + (Get-Content $_.FullName)))}})
} else {
$Aliases = @()
}
}
$Aliases
}
function IsOnPath {
param($dir)
$env:Path.Split(';') -icontains $dir
}
function Get-RuntimeAliasOrRuntimeInfo(
[Parameter(Mandatory=$true)][string]$Version,
[Parameter()][string]$Architecture,
[Parameter()][string]$Runtime,
[Parameter()][string]$OS) {
$aliasPath = Join-Path $AliasesDir "$Version$AliasExtension"
if(Test-Path $aliasPath) {
$BaseName = Get-Content $aliasPath
if(!$Architecture) {
$Architecture = Get-PackageArch $BaseName
}
if(!$Runtime) {
$Runtime = Get-PackageRuntime $BaseName
}
$Version = Get-PackageVersion $BaseName
$OS = Get-PackageOS $BaseName
}
GetRuntimeInfo $Architecture $Runtime $OS $Version
}
filter List-Parts {
param($aliases, $items)
$location = ""
$binDir = Join-Path $_.FullName "bin"
if ((Test-Path $binDir)) {
$location = $_.Parent.FullName
}
$active = IsOnPath $binDir
$fullAlias=""
$delim=""
foreach($alias in $aliases) {
if($_.Name.Split('\', 2) -contains $alias.Name) {
$fullAlias += $delim + $alias.Alias + (&{if($alias.Orphan){" (missing)"}})
$delim = ", "
}
}
$parts1 = $_.Name.Split('.', 2)
$parts2 = $parts1[0].Split('-', 4)
if($parts1[0] -eq "$RuntimePackageName-mono") {
$parts2 += "linux/osx"
$parts2 += "x86/x64"
}
$aliasUsed = ""
if($items) {
$aliasUsed = $items | ForEach-Object {
if($_.Architecture -eq $parts2[3] -and $_.Runtime -eq $parts2[1] -and $_.OperatingSystem -eq $parts2[2] -and $_.Version -eq $parts1[1]) {
return $true;
}
return $false;
}
}
if($aliasUsed -eq $true) {
$fullAlias = ""
}
return New-Object PSObject -Property @{
Active = $active
Version = $parts1[1]
Runtime = $parts2[1]
OperatingSystem = $parts2[2]
Architecture = $parts2[3]
Location = $location
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]$Runtime,
[Parameter(Mandatory=$false)][string]$OS)
# If the first character is non-numeric, it's a full runtime name
if(![Char]::IsDigit($Version[0])) {
$runtimeInfo = GetRuntimeInfo $(Get-PackageArch $Version) $(Get-PackageRuntime $Version) $(Get-PackageOS $Version) $(Get-PackageVersion $Version)
} else {
$runtimeInfo = GetRuntimeInfo $Architecture $Runtime $OS $Version
}
$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 '$Name' to '$($runtimeInfo.RuntimeName)'"
$runtimeInfo.RuntimeName | 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-Package {
param(
$runtimeInfo,
[string]$Feed,
[string]$Proxy
)
$url = "$Feed/Packages()?`$filter=Id eq '$($runtimeInfo.RuntimeId)' and Version eq '$($runtimeInfo.Version)'"
Invoke-NuGetWebRequest $runtimeInfo.RuntimeId $url $Proxy
}
function Find-Latest {
param(
$runtimeInfo,
[Parameter(Mandatory=$true)]
[string]$Feed,
[string]$Proxy
)
_WriteOut "Determining latest version"
$RuntimeId = $runtimeInfo.RuntimeId
_WriteDebug "Latest RuntimeId: $RuntimeId"
$url = "$Feed/GetUpdates()?packageIds=%27$RuntimeId%27&versions=%270.0%27&includePrerelease=true&includeAllVersions=false"
Invoke-NuGetWebRequest $RuntimeId $url $Proxy
}
function Invoke-NuGetWebRequest {
param (
[string]$RuntimeId,
[string]$Url,
[string]$Proxy
)
# 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) {
$downloadUrl = (Select-Xml "//d:content/@src" -Namespace @{d='http://www.w3.org/2005/Atom'} $xml).Node.value
_WriteDebug "Found $version at $downloadUrl"
@{ Version = $version; DownloadUrl = $downloadUrl }
} 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 Get-PackageOS() {
param(
[string] $runtimeFullName
)
$runtimeFullName -replace "$RuntimePackageName-[^-]*-([^-]*)-[^.]*.*", '$1'
}
function Download-Package() {
param(
$runtimeInfo,
[Parameter(Mandatory=$true)]
[string]$DownloadUrl,
[string]$DestinationFile,
[Parameter(Mandatory=$true)]
[string]$Feed,
[string]$Proxy
)
_WriteOut "Downloading $($runtimeInfo.RuntimeName) from $feed"
$wc = New-Object System.Net.WebClient
try {
Apply-Proxy $wc -Proxy:$Proxy
_WriteDebug "Downloading $DownloadUrl ..."
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
$wc.DownloadFileAsync($DownloadUrl, $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 $DownloadUrl") `
-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 -Status "Done" -Activity ("Downloading $RuntimeShortFriendlyName from $DownloadUrl") -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 $existingPaths.Split(';')) {
if(![string]::IsNullOrEmpty($portion)) {
$skip = $portion -eq ""
foreach($removePath in $removePaths) {
if(![string]::IsNullOrEmpty($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]::IsNullOrEmpty($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 $user.IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")
}
function Get-ScriptRoot() {
if ($PSVersionTable.PSVersion.Major -ge 3) {
return $PSScriptRoot
}
return Split-Path $script:MyInvocation.MyCommand.Path -Parent
}
### Commands
<#
.SYNOPSIS
Updates DNVM to the latest version.
.PARAMETER Proxy
Use the given address as a proxy when accessing remote server
#>
function dnvm-update-self {
param(
[Parameter(Mandatory=$false)]
[string]$Proxy)
_WriteOut "Updating $CommandName from $DNVMUpgradeUrl"
$wc = New-Object System.Net.WebClient
Apply-Proxy $wc -Proxy:$Proxy
$CurrentScriptRoot = Get-ScriptRoot
$dnvmFile = Join-Path $CurrentScriptRoot "dnvm.ps1"
$tempDnvmFile = Join-Path $CurrentScriptRoot "temp"
$backupFilePath = Join-Path $CurrentScriptRoot "dnvm.ps1.bak"
$wc.DownloadFile($DNVMUpgradeUrl, $tempDnvmFile)
if(Test-Path $backupFilePath) {
Remove-Item $backupFilePath -Force
}
Rename-Item $dnvmFile $backupFilePath
Rename-Item $tempDnvmFile $dnvmFile
}
<#
.SYNOPSIS
Displays a list of commands, and help for specific commands
.PARAMETER Command
A specific command to get help for
#>
function dnvm-help {
[CmdletBinding(DefaultParameterSetName="GeneralHelp")]
param(
[Parameter(Mandatory=$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 = $ExitCodes.UnknownCommand
return
}
if($Host.Version.Major -lt 3) {
$help = Get-Help "dnvm-$Command"
} else {
$help = Get-Help "dnvm-$Command" -ShowWindow:$false
}
if($PassThru -Or $Host.Version.Major -lt 3) {
$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 {
if($Host.Version.Major -lt 3) {
$h = Get-Help $_.Name
} else {
$h = Get-Help $_.Name -ShowWindow:$false
}
$name = $_.Name.Substring($CommandPrefix.Length)