Pedantic mode in PowerShell

Set-StrictMode.ps1

# set -e (errexit)
$ErrorActionPreference = 'Stop'
$PSNativeCommandUseErrorActionPreference = $True
$ExecutionContext.InvokeCommand.PostCommandLookupAction = {
  param([string]$command, [System.Management.Automation.CommandLookupEventArgs]$eventArgs);
  if ($eventArgs.CommandOrigin -ne [System.Management.Automation.CommandOrigin]::Runspace) {return}
  if ($eventArgs.Command.CommandType -eq [System.Management.Automation.CommandTypes]::Application) {
    $cmd = $eventArgs.Command.Path
    $eventArgs.CommandScriptBlock = {
      Param([parameter(Position=0,ValueFromRemainingArguments=$true)][string]$arg);
      $a = @{}; if ($arg) {$a["ArgumentList"] = $arg};
      $ret = Start-Process -FilePath $cmd -PassThru -NoNewWindow -Wait -WorkingDirectory (Get-Location).Path @a;
      if ($ret.ExitCode -ne 0) {Write-Error "Exit code: $($ret.ExitCode)"};
    }.GetNewClosure()
    $eventArgs.StopSearch = $True
  }
}

# set -u (nounset)
# current scope
Set-StrictMode -Version Latest
# globally
Set-PSDebug -Strict

# set -x
Set-PSDebug -Trace 2

# force UTF-8
chcp 65001 | Out-Null
$PSDefaultParameterValues['*:Encoding'] = 'utf8'

# check for UAC elevation
#Requires -RunAsAdministrator

# UAC self-elevation
if (-not ([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
    $exe = ([System.Diagnostics.Process]::GetCurrentProcess()).MainModule.FileName
    Start-Process -FilePath $exe -Verb RunAs -ArgumentList $MyInvocation.MyCommand.Definition -Wait
}

# Stop parsing arguments
--%

# ShellCheck
# https://www.powershellgallery.com/packages/PSScriptAnalyzer