Set StrictMode version 3.0 (#11563)

assets/GroupPolicy/InstallPSCorePolicyDefinitions.ps1

@@ -16,7 +16,7 @@ param
     [ValidateNotNullOrEmpty()]
     [string] $Path = $PSScriptRoot
 )
-Set-StrictMode -Version Latest
+Set-StrictMode -Version 3.0
 $ErrorActionPreference = 'Stop'
 
 function Test-Elevated

build.psm1

@@ -1,9 +1,12 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
+Set-StrictMode -Version 3.0
+
 # On Unix paths is separated by colon
 # On Windows paths is separated by semicolon
 $script:TestModulePathSeparator = [System.IO.Path]::PathSeparator
+$script:Options = $null
 
 $dotnetCLIChannel = 'release'
 $dotnetCLIRequiredVersion = $(Get-Content $PSScriptRoot/global.json | ConvertFrom-Json).Sdk.Version
@@ -292,7 +295,7 @@ function Start-PSBuild {
         $PSModuleRestore = $true
     }
 
-    if ($Runtime -eq "linux-arm" -and -not $environment.IsUbuntu) {
+    if ($Runtime -eq "linux-arm" -and $environment.IsLinux -and -not $environment.IsUbuntu) {
         throw "Cross compiling for linux-arm is only supported on Ubuntu environment"
     }
 
@@ -499,32 +502,34 @@ Fix steps:
         $psVersion = git --git-dir="$PSScriptRoot/.git" describe
     }
 
-    if ($environment.IsRedHatFamily -or $environment.IsDebian) {
+    if ($environment.IsLinux) {
-        # Symbolic links added here do NOT affect packaging as we do not build on Debian.
+        if ($environment.IsRedHatFamily -or $environment.IsDebian) {
-        # add two symbolic links to system shared libraries that libmi.so is dependent on to handle
+            # Symbolic links added here do NOT affect packaging as we do not build on Debian.
-        # platform specific changes. This is the only set of platforms needed for this currently
+            # add two symbolic links to system shared libraries that libmi.so is dependent on to handle
-        # as Ubuntu has these specific library files in the platform and macOS builds for itself
+            # platform specific changes. This is the only set of platforms needed for this currently
-        # against the correct versions.
+            # as Ubuntu has these specific library files in the platform and macOS builds for itself
+            # against the correct versions.
 
-        if ($environment.IsDebian10 -or $environment.IsDebian11){
+            if ($environment.IsDebian10 -or $environment.IsDebian11){
-            $sslTarget = "/usr/lib/x86_64-linux-gnu/libssl.so.1.1"
+                $sslTarget = "/usr/lib/x86_64-linux-gnu/libssl.so.1.1"
-            $cryptoTarget = "/usr/lib/x86_64-linux-gnu/libcrypto.so.1.1"
+                $cryptoTarget = "/usr/lib/x86_64-linux-gnu/libcrypto.so.1.1"
-        }
+            }
-        elseif ($environment.IsDebian9){
+            elseif ($environment.IsDebian9){
-            # NOTE: Debian 8 doesn't need these symlinks
+                # NOTE: Debian 8 doesn't need these symlinks
-            $sslTarget = "/usr/lib/x86_64-linux-gnu/libssl.so.1.0.2"
+                $sslTarget = "/usr/lib/x86_64-linux-gnu/libssl.so.1.0.2"
-            $cryptoTarget = "/usr/lib/x86_64-linux-gnu/libcrypto.so.1.0.2"
+                $cryptoTarget = "/usr/lib/x86_64-linux-gnu/libcrypto.so.1.0.2"
-        }
+            }
-        else { #IsRedHatFamily
+            else { #IsRedHatFamily
-            $sslTarget = "/lib64/libssl.so.10"
+                $sslTarget = "/lib64/libssl.so.10"
-            $cryptoTarget = "/lib64/libcrypto.so.10"
+                $cryptoTarget = "/lib64/libcrypto.so.10"
-        }
+            }
 
-        if ( ! (test-path "$publishPath/libssl.so.1.0.0")) {
+            if ( ! (test-path "$publishPath/libssl.so.1.0.0")) {
-            $null = New-Item -Force -ItemType SymbolicLink -Target $sslTarget -Path "$publishPath/libssl.so.1.0.0" -ErrorAction Stop
+                $null = New-Item -Force -ItemType SymbolicLink -Target $sslTarget -Path "$publishPath/libssl.so.1.0.0" -ErrorAction Stop
-        }
+            }
-        if ( ! (test-path "$publishPath/libcrypto.so.1.0.0")) {
+            if ( ! (test-path "$publishPath/libcrypto.so.1.0.0")) {
-            $null = New-Item -Force -ItemType SymbolicLink -Target $cryptoTarget -Path "$publishPath/libcrypto.so.1.0.0" -ErrorAction Stop
+                $null = New-Item -Force -ItemType SymbolicLink -Target $cryptoTarget -Path "$publishPath/libcrypto.so.1.0.0" -ErrorAction Stop
+            }
         }
     }
 
@@ -579,6 +584,7 @@ Fix steps:
 
 function Restore-PSPackage
 {
+    [CmdletBinding()]
     param(
         [ValidateNotNullOrEmpty()]
         [Parameter()]
@@ -618,7 +624,7 @@ function Restore-PSPackage
             $RestoreArguments = @("/property:SDKToUse=$sdkToUse", "--verbosity")
         }
 
-        if ($PSCmdlet.MyInvocation.BoundParameters["Verbose"].IsPresent) {
+        if ($VerbosePreference -eq 'Continue') {
             $RestoreArguments += "detailed"
         } else {
             $RestoreArguments += "quiet"
@@ -837,7 +843,7 @@ function Get-PSOptions {
         $DefaultToNew
     )
 
-    if(!$script:Options -and $DefaultToNew.IsPresent)
+    if (!$script:Options -and $DefaultToNew.IsPresent)
     {
         return New-PSOptions
     }
@@ -876,7 +882,14 @@ function Get-PesterTag {
         $fullname = $_.fullname
         $tok = $err = $null
         $ast = [System.Management.Automation.Language.Parser]::ParseFile($FullName, [ref]$tok,[ref]$err)
-        $des = $ast.FindAll({$args[0] -is "System.Management.Automation.Language.CommandAst" -and $args[0].CommandElements[0].Value -eq "Describe"},$true)
+        $des = $ast.FindAll({
+            $args[0] -is [System.Management.Automation.Language.CommandAst] `
+                -and $args[0].CommandElements.GetType() -in @(
+                    [System.Management.Automation.Language.StringConstantExpressionAst],
+                    [System.Management.Automation.Language.ExpandableStringExpressionAst]
+                ) `
+                -and $args[0].CommandElements[0].Value -eq "Describe"
+        }, $true)
         foreach( $describe in $des) {
             $elements = $describe.CommandElements
             $lineno = $elements[0].Extent.StartLineNumber
@@ -1079,7 +1092,7 @@ function Start-PSPester {
         $publishArgs = @{ }
         # if we are building for Alpine, we must include the runtime as linux-x64
         # will not build runnable test tools
-        if ( $environment.IsAlpine ) {
+        if ( $environment.IsLinux -and $environment.IsAlpine ) {
             $publishArgs['runtime'] = 'alpine-x64'
         }
         Publish-PSTestTools @publishArgs | ForEach-Object {Write-Host $_}
@@ -1615,7 +1628,7 @@ function Install-Dotnet {
         $curl = Get-Command -Name curl -CommandType Application -TotalCount 1 -ErrorAction Stop
 
         # Uninstall all previous dotnet packages
-        $uninstallScript = if ($environment.IsUbuntu) {
+        $uninstallScript = if ($environment.IsLinux -and $environment.IsUbuntu) {
             "dotnet-uninstall-debian-packages.sh"
         } elseif ($environment.IsMacOS) {
             "dotnet-uninstall-pkgs.sh"
@@ -1687,14 +1700,14 @@ function Start-PSBootstrap {
             # Note that when it is null, Invoke-Expression (but not &) must be used to interpolate properly
             $sudo = if (!$NoSudo) { "sudo" }
 
-            if ($BuildLinuxArm -and -not $environment.IsUbuntu) {
+            if ($BuildLinuxArm -and $environment.IsLinux -and -not $environment.IsUbuntu) {
                 Write-Error "Cross compiling for linux-arm is only supported on Ubuntu environment"
                 return
             }
 
             # Install ours and .NET's dependencies
             $Deps = @()
-            if ($environment.IsUbuntu) {
+            if ($environment.IsLinux -and $environment.IsUbuntu) {
                 # Build tools
                 $Deps += "curl", "g++", "cmake", "make"
 
@@ -1724,7 +1737,7 @@ function Start-PSBootstrap {
                     # change the apt frontend back to the original
                     $env:DEBIAN_FRONTEND=$originalDebianFrontEnd
                 }
-            } elseif ($environment.IsRedHatFamily) {
+            } elseif ($environment.IsLinux -and $environment.IsRedHatFamily) {
                 # Build tools
                 $Deps += "which", "curl", "gcc-c++", "cmake", "make"
 
@@ -1748,7 +1761,7 @@ function Start-PSBootstrap {
                 Start-NativeExecution {
                     Invoke-Expression "$baseCommand $Deps"
                 }
-            } elseif ($environment.IsSUSEFamily) {
+            } elseif ($environment.IsLinux -and $environment.IsSUSEFamily) {
                 # Build tools
                 $Deps += "gcc", "cmake", "make"
 
@@ -1784,7 +1797,7 @@ function Start-PSBootstrap {
                 # Install dependencies
                 # ignore exitcode, because they may be already installed
                 Start-NativeExecution ([ScriptBlock]::Create("$PackageManager install $Deps")) -IgnoreExitcode
-            } elseif ($environment.IsAlpine) {
+            } elseif ($environment.IsLinux -and $environment.IsAlpine) {
                 $Deps += 'libunwind', 'libcurl', 'bash', 'cmake', 'clang', 'build-base', 'git', 'curl'
 
                 Start-NativeExecution {
@@ -2105,8 +2118,8 @@ function script:Start-NativeExecution
         [switch]$IgnoreExitcode,
         [switch]$VerboseOutputOnError
     )
-    $backupEAP = $script:ErrorActionPreference
+    $backupEAP = $ErrorActionPreference
-    $script:ErrorActionPreference = "Continue"
+    $ErrorActionPreference = "Continue"
     try {
         if($VerboseOutputOnError.IsPresent)
         {
@@ -2139,7 +2152,7 @@ function script:Start-NativeExecution
             throw "Execution of {$sb} failed with exit code $LASTEXITCODE"
         }
     } finally {
-        $script:ErrorActionPreference = $backupEAP
+        $ErrorActionPreference = $backupEAP
     }
 }
 

src/PowerShell.Core.Instrumentation/RegisterManifest.ps1

@@ -24,7 +24,7 @@ param
 
     [switch] $Unregister
 )
-Set-StrictMode -Version Latest
+Set-StrictMode -Version 3.0
 $ErrorActionPreference = 'Stop'
 
 function Start-NativeExecution([scriptblock]$sb, [switch]$IgnoreExitcode)

src/powershell-native/Install-PowerShellRemoting.ps1

@@ -26,7 +26,7 @@ param
     $PowerShellHome
 )
 
-Set-StrictMode -Version Latest
+Set-StrictMode -Version 3.0
 
 if (! ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator"))
 {
@@ -123,7 +123,7 @@ function Install-PluginEndpoint {
     # Install the plugin #
     #                    #
     ######################
-    
+
     if (-not [String]::IsNullOrEmpty($PowerShellHome))
     {
         $targetPsHome = $PowerShellHome

test/powershell/Host/Logging.Tests.ps1

@@ -2,7 +2,7 @@
 # Licensed under the MIT License.
 using namespace System.Text
 
-Set-StrictMode -Version Latest
+Set-StrictMode -Version 3.0
 $ErrorActionPreference = 'Stop'
 
 Import-Module HelpersCommon

test/powershell/Host/TabCompletion/TabCompletion.Tests.ps1

@@ -131,7 +131,7 @@ Describe "TabCompletion" -Tags CI {
     }
 
     It 'Should complete "Get-Process -Id " with Id and name in tooltip' {
-        Set-StrictMode -Version latest
+        Set-StrictMode -Version 3.0
         $cmd = 'Get-Process -Id '
         [System.Management.Automation.CommandCompletion]$res = TabExpansion2 -inputScript $cmd  -cursorColumn $cmd.Length
         $res.CompletionMatches[0].CompletionText -match '^\d+$' | Should -BeTrue

test/powershell/Language/Classes/Scripting.Classes.BasicParsing.Tests.ps1

@@ -887,7 +887,7 @@ class A
 
     [int] GetX([Foo.Bar]$bar)
     {
-        Set-StrictMode -Version latest
+        Set-StrictMode -Version 3.0
         return $bar.x
     }
 }

test/powershell/Language/Interop/DotNet/DotNetInterop.Tests.ps1

@@ -164,7 +164,7 @@ namespace DotNetInterop
         param($Script)
 
         try {
-            Set-StrictMode -Version latest
+            Set-StrictMode -Version 3.0
             & $Script | Should -Be $null
         } finally {
             Set-StrictMode -Off
@@ -225,7 +225,7 @@ namespace DotNetInterop
 
     It "Get access of an indexer that returns ByRef-like type should fail gracefully in strict mode" {
         try {
-            Set-StrictMode -Version latest
+            Set-StrictMode -Version 3.0
             { $testObj[1] } | Should -Throw -ErrorId "CannotIndexWithByRefLikeReturnType"
         } finally {
             Set-StrictMode -Off
@@ -242,7 +242,7 @@ namespace DotNetInterop
     }
 
     Context "Passing value that is implicitly/explicitly castable to ByRef-like parameter in method invocation" {
-        
+
         BeforeAll {
             $ps = [powershell]::Create()
 
@@ -302,7 +302,7 @@ namespace DotNetInterop
 
         It "Return null for getter access of a CodeProperty that returns a ByRef-like type, even in strict mode" {
             $result = $ps.AddScript(
-                'try { Set-StrictMode -Version latest; $test.TestName } finally { Set-StrictMode -Off }').Invoke()
+                'try { Set-StrictMode -Version 3.0; $test.TestName } finally { Set-StrictMode -Off }').Invoke()
             $ps.Commands.Clear()
             $result.Count | Should -Be 1
             $result[0] | Should -Be $null

test/powershell/engine/Help/HelpSystem.Tests.ps1

@@ -59,7 +59,7 @@ Describe "Validate that the Help function can Run in strict mode" -Tags @('CI')
 
         $help = & {
             # run in nested scope to keep strict mode from affecting other tests
-            Set-StrictMode -Version Latest
+            Set-StrictMode -Version 3.0
             Help
         }
         # the help function renders the help content as text so just verify that there is content

test/tools/Modules/HelpersDebugger/HelpersDebugger.psm1

@@ -5,7 +5,7 @@
 trap {throw $_}
 
 # Strict mode FTW.
-Set-StrictMode -Version Latest
+Set-StrictMode -Version 3.0
 
 # Enable explicit export so that there are no surprises with commands exported from the module.
 Export-ModuleMember

test/tools/Modules/PSSysLog/PSSysLog.psm1

@@ -1,7 +1,7 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
-Set-StrictMode -Version Latest
+Set-StrictMode -Version 3.0
 
 <#
 os_log notes:
@@ -187,7 +187,7 @@ class PSLogItem
 
     hidden static [int] GetMonth([string] $value)
     {
-        Set-StrictMode -Version Latest
+        Set-StrictMode -Version 3.0
         for ($x = 0; $x -lt [PSLogItem]::monthNames.Count; $x++)
         {
             [string] $monthName = [PSLogItem]::monthNames[$x]
@@ -201,7 +201,7 @@ class PSLogItem
 
     static [PSLogItem] ConvertSysLog([string] $content, [string] $id, [Nullable[DateTime]] $after)
     {
-        Set-StrictMode -Version Latest
+        Set-StrictMode -Version 3.0
         <#
         MMM dd HH:MM:SS machinename id[PID]: (commitid:TID:CHANNEL) [EventName] Message
         Expecting split to return
@@ -339,7 +339,7 @@ class PSLogItem
 
     static [object] ConvertOsLog([string] $content, [string] $id, [Nullable[DateTime]] $after)
     {
-        Set-StrictMode -Version Latest
+        Set-StrictMode -Version 3.0
         <#
         Expecting split to return
         0: date                         2018-02-07

tools/ci.psm1

@@ -1,6 +1,8 @@
 # Copyright (c) Microsoft Corporation. All rights reserved.
 # Licensed under the MIT License.
 
+Set-StrictMode -Version 3.0
+
 $ErrorActionPreference = 'continue'
 $repoRoot = Join-Path $PSScriptRoot '..'
 $script:administratorsGroupSID = "S-1-5-32-544"
@@ -479,7 +481,7 @@ function Invoke-CIFinish
             {
                 $null = $artifacts.Add($package)
             }
-            elseif($package -is [pscustomobject] -and $package.msi)
+            elseif($package -is [pscustomobject] -and $package.psobject.Properties['msi'])
             {
                 $null = $artifacts.Add($package.msi)
                 $null = $artifacts.Add($package.wixpdb)
@@ -497,7 +499,7 @@ function Invoke-CIFinish
         $packagingTestResult = Invoke-Pester -Script (Join-Path $repoRoot '.\test\packaging\windows\') -PassThru
 
         # fail the CI job if the tests failed, or nothing passed
-        if($packagingTestResult.FailedCount -ne 0 -or !$packagingTestResult.PassedCount)
+        if(-not $packagingTestResult -is [pscustomobject] -or $packagingTestResult.FailedCount -ne 0 -or $packagingTestResult.PassedCount -eq 0)
         {
             throw "Packaging tests failed ($($packagingTestResult.FailedCount) failed/$($packagingTestResult.PassedCount) passed)"
         }
@@ -579,6 +581,10 @@ function Invoke-LinuxTestsCore
     $testResultsNoSudo = "$PWD/TestResultsNoSudo.xml"
     $testResultsSudo = "$PWD/TestResultsSudo.xml"
     $testExcludeTag = $ExcludeTag + 'RequireSudoOnUnix'
+    $pesterPassThruNoSudoObject = $null
+    $pesterPassThruSudoObject = $null
+    $noSudoResultsWithExpFeatures = $null
+    $sudoResultsWithExpFeatures = $null
 
     $noSudoPesterParam = @{
         'BinDir'     = $output

tools/install-powershell.ps1

@@ -54,7 +54,7 @@ param(
     [switch] $Preview
 )
 
-Set-StrictMode -Version latest
+Set-StrictMode -Version 3.0
 $ErrorActionPreference = "Stop"
 
 $IsLinuxEnv = (Get-Variable -Name "IsLinux" -ErrorAction Ignore) -and $IsLinux