513 lines
21 KiB
PowerShell
513 lines
21 KiB
PowerShell
# Copyright (c) Microsoft Corporation. All rights reserved.
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# Licensed under the MIT License.
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<#
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.Synopsis
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Install PowerShell on Windows, Linux or macOS.
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.DESCRIPTION
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By default, the latest PowerShell release package will be installed.
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If '-Daily' is specified, then the latest PowerShell daily package will be installed.
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.Parameter Destination
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The destination path to install PowerShell to.
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.Parameter Daily
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Install PowerShell from the daily build.
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Note that the 'PackageManagement' module is required to install a daily package.
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.Parameter DoNotOverwrite
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Do not overwrite the destination folder if it already exists.
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.Parameter AddToPath
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On Windows, add the absolute destination path to the 'User' scope environment variable 'Path';
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On Linux, make the symlink '/usr/bin/pwsh' points to "$Destination/pwsh";
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On MacOS, make the symlink '/usr/local/bin/pwsh' points to "$Destination/pwsh".
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.EXAMPLE
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Install the daily build
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.\install-powershell.ps1 -Daily
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.EXAMPLE
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Invoke this script directly from GitHub
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Invoke-Expression "& { $(Invoke-RestMethod 'https://aka.ms/install-powershell.ps1') } -daily"
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#>
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[CmdletBinding(DefaultParameterSetName = "Daily")]
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param(
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[Parameter(ParameterSetName = "Daily")]
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[string] $Destination,
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[Parameter(ParameterSetName = "Daily")]
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[switch] $Daily,
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[Parameter(ParameterSetName = "Daily")]
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[switch] $DoNotOverwrite,
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[Parameter(ParameterSetName = "Daily")]
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[switch] $AddToPath,
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[Parameter(ParameterSetName = "MSI")]
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[switch] $UseMSI,
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[Parameter(ParameterSetName = "MSI")]
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[switch] $Quiet,
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[Parameter(ParameterSetName = "MSI")]
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[switch] $AddExplorerContextMenu,
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[Parameter(ParameterSetName = "MSI")]
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[switch] $EnablePSRemoting,
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[Parameter()]
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[switch] $Preview
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)
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Set-StrictMode -Version 3.0
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$ErrorActionPreference = "Stop"
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$IsLinuxEnv = (Get-Variable -Name "IsLinux" -ErrorAction Ignore) -and $IsLinux
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$IsMacOSEnv = (Get-Variable -Name "IsMacOS" -ErrorAction Ignore) -and $IsMacOS
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$IsWinEnv = !$IsLinuxEnv -and !$IsMacOSEnv
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if (-not $Destination) {
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if ($IsWinEnv) {
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$Destination = "$env:LOCALAPPDATA\Microsoft\powershell"
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} else {
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$Destination = "~/.powershell"
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}
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if ($Daily) {
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$Destination = "${Destination}-daily"
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}
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}
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$Destination = $PSCmdlet.SessionState.Path.GetUnresolvedProviderPathFromPSPath($Destination)
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if (-not $UseMSI) {
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Write-Verbose "Destination: $Destination" -Verbose
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} else {
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if (-not $IsWinEnv) {
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throw "-UseMSI is only supported on Windows"
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} else {
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$MSIArguments = @()
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if($AddExplorerContextMenu) {
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$MSIArguments += "ADD_EXPLORER_CONTEXT_MENU_OPENPOWERSHELL=1"
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}
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if($EnablePSRemoting) {
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$MSIArguments += "ENABLE_PSREMOTING=1"
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}
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}
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}
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# Expand an archive using Expand-archive when available
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# and the DotNet API when it is not
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function Expand-ArchiveInternal {
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[CmdletBinding()]
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param(
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$Path,
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$DestinationPath
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)
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if((Get-Command -Name Expand-Archive -ErrorAction Ignore))
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{
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Expand-Archive -Path $Path -DestinationPath $DestinationPath
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}
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else
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{
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Add-Type -AssemblyName System.IO.Compression.FileSystem
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$resolvedPath = $ExecutionContext.SessionState.Path.GetUnresolvedProviderPathFromPSPath($Path)
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$resolvedDestinationPath = $ExecutionContext.SessionState.Path.GetUnresolvedProviderPathFromPSPath($DestinationPath)
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[System.IO.Compression.ZipFile]::ExtractToDirectory($resolvedPath,$resolvedDestinationPath)
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}
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}
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Function Remove-Destination([string] $Destination) {
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if (Test-Path -Path $Destination) {
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if ($DoNotOverwrite) {
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throw "Destination folder '$Destination' already exist. Use a different path or omit '-DoNotOverwrite' to overwrite."
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}
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Write-Verbose "Removing old installation: $Destination" -Verbose
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if (Test-Path -Path "$Destination.old") {
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Remove-Item "$Destination.old" -Recurse -Force
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}
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if ($IsWinEnv -and ($Destination -eq $PSHOME)) {
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# handle the case where the updated folder is currently in use
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Get-ChildItem -Recurse -File -Path $PSHOME | ForEach-Object {
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if ($_.extension -eq "old") {
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Remove-Item $_
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} else {
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Move-Item $_.fullname "$($_.fullname).old"
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}
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}
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} else {
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# Unix systems don't keep open file handles so you can just move files/folders even if in use
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Move-Item "$Destination" "$Destination.old"
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}
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}
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}
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<#
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.SYNOPSIS
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Validation for Add-PathTToSettingsToSettings.
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.DESCRIPTION
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Validates that the parameter being validated:
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- is not null
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- is a folder and exists
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- and that it does not exist in settings where settings is:
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= the process PATH for Linux/OSX
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- the registry PATHs for Windows
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#>
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function Test-PathNotInSettings($Path) {
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if ([string]::IsNullOrWhiteSpace($Path)) {
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throw 'Argument is null'
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}
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# Remove ending DirectorySeparatorChar for comparison purposes
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$Path = [System.Environment]::ExpandEnvironmentVariables($Path.TrimEnd([System.IO.Path]::DirectorySeparatorChar));
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if (-not [System.IO.Directory]::Exists($Path)) {
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throw "Path does not exist: $Path"
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}
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# [System.Environment]::GetEnvironmentVariable automatically expands all variables
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[System.Array] $InstalledPaths = @()
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if ([System.Environment]::OSVersion.Platform -eq "Win32NT") {
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$InstalledPaths += @(([System.Environment]::GetEnvironmentVariable('PATH', [System.EnvironmentVariableTarget]::User)) -split ([System.IO.Path]::PathSeparator))
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$InstalledPaths += @(([System.Environment]::GetEnvironmentVariable('PATH', [System.EnvironmentVariableTarget]::Machine)) -split ([System.IO.Path]::PathSeparator))
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} else {
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$InstalledPaths += @(([System.Environment]::GetEnvironmentVariable('PATH'), [System.EnvironmentVariableTarget]::Process) -split ([System.IO.Path]::PathSeparator))
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}
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# Remove ending DirectorySeparatorChar in all items of array for comparison purposes
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$InstalledPaths = $InstalledPaths | ForEach-Object { $_.TrimEnd([System.IO.Path]::DirectorySeparatorChar) }
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# if $InstalledPaths is in setting return false
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if ($InstalledPaths -icontains $Path) {
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throw 'Already in PATH environment variable'
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}
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return $true
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}
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<#
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.Synopsis
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Adds a Path to settings (Supports Windows Only)
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.DESCRIPTION
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Adds the target path to the target registry.
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.Parameter Path
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The path to add to the registry. It is validated with Test-PathNotInSettings which ensures that:
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-The path exists
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-Is a directory
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-Is not in the registry (HKCU or HKLM)
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.Parameter Target
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The target hive to install the Path to.
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Must be either User or Machine
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Defaults to User
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#>
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Function Add-PathTToSettings {
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[CmdletBinding()]
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param(
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[Parameter(Mandatory, ValueFromPipeline, ValueFromPipelineByPropertyName)]
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[ValidateNotNullOrEmpty()]
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[ValidateScript({Test-PathNotInSettings $_})]
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[string] $Path,
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[Parameter(ValueFromPipeline, ValueFromPipelineByPropertyName)]
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[ValidateNotNullOrEmpty()]
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[ValidateSet([System.EnvironmentVariableTarget]::User, [System.EnvironmentVariableTarget]::Machine)]
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[System.EnvironmentVariableTarget] $Target = ([System.EnvironmentVariableTarget]::User)
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)
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if (-not $IsWinEnv) {
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return
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}
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if ($Target -eq [System.EnvironmentVariableTarget]::User) {
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[string] $Environment = 'Environment'
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[Microsoft.Win32.RegistryKey] $Key = [Microsoft.Win32.Registry]::CurrentUser.OpenSubKey($Environment, [Microsoft.Win32.RegistryKeyPermissionCheck]::ReadWriteSubTree)
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} else {
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[string] $Environment = 'SYSTEM\CurrentControlSet\Control\Session Manager\Environment'
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[Microsoft.Win32.RegistryKey] $Key = [Microsoft.Win32.Registry]::LocalMachine.OpenSubKey($Environment, [Microsoft.Win32.RegistryKeyPermissionCheck]::ReadWriteSubTree)
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}
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# $key is null here if it the user was unable to get ReadWriteSubTree access.
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if ($null -eq $Key) {
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throw (new-object -typeName 'System.Security.SecurityException' -ArgumentList "Unable to access the target registry")
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}
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# Get current unexpanded value
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[string] $CurrentUnexpandedValue = $Key.GetValue('PATH', '', [Microsoft.Win32.RegistryValueOptions]::DoNotExpandEnvironmentNames)
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# Keep current PathValueKind if possible/appropriate
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try {
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[Microsoft.Win32.RegistryValueKind] $PathValueKind = $Key.GetValueKind('PATH')
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} catch {
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[Microsoft.Win32.RegistryValueKind] $PathValueKind = [Microsoft.Win32.RegistryValueKind]::ExpandString
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}
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# Evaluate new path
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$NewPathValue = [string]::Concat($CurrentUnexpandedValue.TrimEnd([System.IO.Path]::PathSeparator), [System.IO.Path]::PathSeparator, $Path)
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# Upgrade PathValueKind to [Microsoft.Win32.RegistryValueKind]::ExpandString if appropriate
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if ($NewPathValue.Contains('%')) { $PathValueKind = [Microsoft.Win32.RegistryValueKind]::ExpandString }
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$Key.SetValue("PATH", $NewPathValue, $PathValueKind)
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}
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if (-not $IsWinEnv) {
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$architecture = "x64"
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} else {
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switch ($env:PROCESSOR_ARCHITECTURE) {
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"AMD64" { $architecture = "x64" }
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"x86" { $architecture = "x86" }
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default { throw "PowerShell package for OS architecture '$_' is not supported." }
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}
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}
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$tempDir = Join-Path ([System.IO.Path]::GetTempPath()) ([System.IO.Path]::GetRandomFileName())
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$null = New-Item -ItemType Directory -Path $tempDir -Force -ErrorAction SilentlyContinue
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try {
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# Setting Tls to 12 to prevent the Invoke-WebRequest : The request was
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# aborted: Could not create SSL/TLS secure channel. error.
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$originalValue = [Net.ServicePointManager]::SecurityProtocol
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[Net.ServicePointManager]::SecurityProtocol = [Net.ServicePointManager]::SecurityProtocol -bor [Net.SecurityProtocolType]::Tls12
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if ($Daily) {
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$metadata = Invoke-RestMethod 'https://aka.ms/pwsh-buildinfo-daily'
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$release = $metadata.ReleaseTag -replace '^v'
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$blobName = $metadata.BlobName
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# Get version from currently installed PowerShell Daily if available.
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$pwshPath = if ($IsWinEnv) {Join-Path $Destination "pwsh.exe"} else {Join-Path $Destination "pwsh"}
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$currentlyInstalledVersion = if(Test-Path $pwshPath) {
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((& $pwshPath -version) -split " ")[1]
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}
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if($currentlyInstalledVersion -eq $release) {
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Write-Verbose "Latest PowerShell Daily already installed." -Verbose
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return
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}
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if ($IsWinEnv) {
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if ($UseMSI) {
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$packageName = "PowerShell-${release}-win-${architecture}.msi"
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} else {
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$packageName = "PowerShell-${release}-win-${architecture}.zip"
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}
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} elseif ($IsLinuxEnv) {
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$packageName = "powershell-${release}-linux-${architecture}.tar.gz"
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} elseif ($IsMacOSEnv) {
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$packageName = "powershell-${release}-osx-${architecture}.tar.gz"
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}
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if ($architecture -ne "x64") {
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throw "The OS architecture is '$architecture'. However, we currently only support daily package for x64."
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}
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$downloadURL = "https://pscoretestdata.blob.core.windows.net/${blobName}/${packageName}"
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Write-Verbose "About to download package from '$downloadURL'" -Verbose
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$packagePath = Join-Path -Path $tempDir -ChildPath $packageName
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if (!$PSVersionTable.ContainsKey('PSEdition') -or $PSVersionTable.PSEdition -eq "Desktop") {
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# On Windows PowerShell, progress can make the download significantly slower
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$oldProgressPreference = $ProgressPreference
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$ProgressPreference = "SilentlyContinue"
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}
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try {
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Invoke-WebRequest -Uri $downloadURL -OutFile $packagePath
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} finally {
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if (!$PSVersionTable.ContainsKey('PSEdition') -or $PSVersionTable.PSEdition -eq "Desktop") {
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$ProgressPreference = $oldProgressPreference
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}
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}
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$contentPath = Join-Path -Path $tempDir -ChildPath "new"
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$null = New-Item -ItemType Directory -Path $contentPath -ErrorAction SilentlyContinue
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if ($IsWinEnv) {
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if ($UseMSI -and $Quiet) {
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Write-Verbose "Performing quiet install"
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$ArgumentList=@("/i", $packagePath, "/quiet")
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if($MSIArguments) {
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$ArgumentList+=$MSIArguments
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}
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$process = Start-Process msiexec -ArgumentList $ArgumentList -Wait -PassThru
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if ($process.exitcode -ne 0) {
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throw "Quiet install failed, please rerun install without -Quiet switch or ensure you have administrator rights"
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}
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} elseif ($UseMSI) {
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if($MSIArguments) {
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Start-Process $packagePath -ArgumentList $MSIArguments -Wait
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} else {
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Start-Process $packagePath -Wait
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}
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} else {
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Expand-ArchiveInternal -Path $packagePath -DestinationPath $contentPath
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}
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} else {
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tar zxf $packagePath -C $contentPath
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}
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} else {
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$metadata = Invoke-RestMethod https://raw.githubusercontent.com/PowerShell/PowerShell/master/tools/metadata.json
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if ($Preview) {
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$release = $metadata.PreviewReleaseTag -replace '^v'
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} else {
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$release = $metadata.ReleaseTag -replace '^v'
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}
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if ($IsWinEnv) {
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if ($UseMSI) {
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$packageName = "PowerShell-${release}-win-${architecture}.msi"
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} else {
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$packageName = "PowerShell-${release}-win-${architecture}.zip"
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}
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} elseif ($IsLinuxEnv) {
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$packageName = "powershell-${release}-linux-${architecture}.tar.gz"
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} elseif ($IsMacOSEnv) {
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$packageName = "powershell-${release}-osx-${architecture}.tar.gz"
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}
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$downloadURL = "https://github.com/PowerShell/PowerShell/releases/download/v${release}/${packageName}"
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Write-Verbose "About to download package from '$downloadURL'" -Verbose
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$packagePath = Join-Path -Path $tempDir -ChildPath $packageName
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if (!$PSVersionTable.ContainsKey('PSEdition') -or $PSVersionTable.PSEdition -eq "Desktop") {
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# On Windows PowerShell, progress can make the download significantly slower
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$oldProgressPreference = $ProgressPreference
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$ProgressPreference = "SilentlyContinue"
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}
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try {
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Invoke-WebRequest -Uri $downloadURL -OutFile $packagePath
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} finally {
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if (!$PSVersionTable.ContainsKey('PSEdition') -or $PSVersionTable.PSEdition -eq "Desktop") {
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$ProgressPreference = $oldProgressPreference
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}
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}
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$contentPath = Join-Path -Path $tempDir -ChildPath "new"
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$null = New-Item -ItemType Directory -Path $contentPath -ErrorAction SilentlyContinue
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if ($IsWinEnv) {
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if ($UseMSI -and $Quiet) {
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Write-Verbose "Performing quiet install"
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$ArgumentList=@("/i", $packagePath, "/quiet")
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if($MSIArguments) {
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$ArgumentList+=$MSIArguments
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}
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$process = Start-Process msiexec -ArgumentList $ArgumentList -Wait -PassThru
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if ($process.exitcode -ne 0) {
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throw "Quiet install failed, please rerun install without -Quiet switch or ensure you have administrator rights"
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}
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} elseif ($UseMSI) {
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if($MSIArguments) {
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Start-Process $packagePath -ArgumentList $MSIArguments -Wait
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} else {
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Start-Process $packagePath -Wait
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}
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} else {
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Expand-ArchiveInternal -Path $packagePath -DestinationPath $contentPath
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}
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} else {
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tar zxf $packagePath -C $contentPath
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}
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}
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if (-not $UseMSI) {
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Remove-Destination $Destination
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if (Test-Path $Destination) {
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Write-Verbose "Copying files" -Verbose
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# only copy files as folders will already exist at $Destination
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Get-ChildItem -Recurse -Path "$contentPath" -File | ForEach-Object {
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$DestinationFilePath = Join-Path $Destination $_.fullname.replace($contentPath, "")
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Copy-Item $_.fullname -Destination $DestinationFilePath
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}
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} else {
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$null = New-Item -Path (Split-Path -Path $Destination -Parent) -ItemType Directory -ErrorAction SilentlyContinue
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Move-Item -Path $contentPath -Destination $Destination
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}
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}
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# Edit icon to disambiguate daily builds.
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if ($IsWinEnv -and $Daily.IsPresent) {
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if (-not (Test-Path "~/.rcedit/rcedit-x64.exe")) {
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Write-Verbose "Install RCEdit for modifying exe resources" -Verbose
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$rceditUrl = "https://github.com/electron/rcedit/releases/download/v1.0.0/rcedit-x64.exe"
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$null = New-Item -Path "~/.rcedit" -Type Directory -Force -ErrorAction SilentlyContinue
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Invoke-WebRequest -OutFile "~/.rcedit/rcedit-x64.exe" -Uri $rceditUrl
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}
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Write-Verbose "Change icon to disambiguate it from a released installation" -Verbose
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& "~/.rcedit/rcedit-x64.exe" "$Destination\pwsh.exe" --set-icon "$Destination\assets\Powershell_avatar.ico"
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}
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## Change the mode of 'pwsh' to 'rwxr-xr-x' to allow execution
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if (-not $IsWinEnv) { chmod 755 $Destination/pwsh }
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if ($AddToPath -and -not $UseMSI) {
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if ($IsWinEnv) {
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if ((-not ($Destination.StartsWith($ENV:USERPROFILE))) -and
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(-not ($Destination.StartsWith($ENV:APPDATA))) -and
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(-not ($Destination.StartsWith($env:LOCALAPPDATA)))) {
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$TargetRegistry = [System.EnvironmentVariableTarget]::Machine
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try {
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Add-PathTToSettings -Path $Destination -Target $TargetRegistry
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} catch {
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Write-Warning -Message "Unable to save the new path in the machine wide registry: $_"
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$TargetRegistry = [System.EnvironmentVariableTarget]::User
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}
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} else {
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$TargetRegistry = [System.EnvironmentVariableTarget]::User
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}
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# If failed to install to machine wide path or path was not appropriate for machine wide path
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if ($TargetRegistry -eq [System.EnvironmentVariableTarget]::User) {
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try {
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Add-PathTToSettings -Path $Destination -Target $TargetRegistry
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} catch {
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Write-Warning -Message "Unable to save the new path in the registry for the current user : $_"
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}
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}
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} else {
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$targetPath = Join-Path -Path $Destination -ChildPath "pwsh"
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if ($IsLinuxEnv) { $symlink = "/usr/bin/pwsh" } elseif ($IsMacOSEnv) { $symlink = "/usr/local/bin/pwsh" }
|
|
$needNewSymlink = $true
|
|
|
|
if (Test-Path -Path $symlink) {
|
|
$linkItem = Get-Item -Path $symlink
|
|
if ($linkItem.LinkType -ne "SymbolicLink") {
|
|
Write-Warning "'$symlink' already exists but it's not a symbolic link. Abort adding to PATH."
|
|
$needNewSymlink = $false
|
|
} elseif ($linkItem.Target -contains $targetPath) {
|
|
## The link already points to the target
|
|
Write-Verbose "'$symlink' already points to '$targetPath'" -Verbose
|
|
$needNewSymlink = $false
|
|
}
|
|
}
|
|
|
|
if ($needNewSymlink) {
|
|
$uid = id -u
|
|
if ($uid -ne "0") { $SUDO = "sudo" } else { $SUDO = "" }
|
|
|
|
Write-Verbose "Make symbolic link '$symlink' point to '$targetPath'..." -Verbose
|
|
& $SUDO ln -fs $targetPath $symlink
|
|
|
|
if ($LASTEXITCODE -ne 0) {
|
|
Write-Error "Could not add to PATH: failed to make '$symlink' point to '$targetPath'."
|
|
}
|
|
}
|
|
}
|
|
|
|
## Add to the current process 'Path' if the process is not 'pwsh'
|
|
$runningProcessName = (Get-Process -Id $PID).ProcessName
|
|
if ($runningProcessName -ne 'pwsh') {
|
|
$env:Path = $Destination + [System.IO.Path]::PathSeparator + $env:Path
|
|
}
|
|
}
|
|
|
|
if (-not $UseMSI) {
|
|
Write-Host "PowerShell has been installed at $Destination" -ForegroundColor Green
|
|
if ($Destination -eq $PSHOME) {
|
|
Write-Host "Please restart pwsh" -ForegroundColor Magenta
|
|
}
|
|
}
|
|
} finally {
|
|
# Restore original value
|
|
[Net.ServicePointManager]::SecurityProtocol = $originalValue
|
|
|
|
Remove-Item -Path $tempDir -Recurse -Force -ErrorAction SilentlyContinue
|
|
}
|