A program helps pwsh to read from utf8 output.

xargsu2a.cs

// This program helps pwsh to read from external program output from utf8 encoding.
// Compile: bflat build xargsu2a.cs -Ot --no-debug-info --no-globalization --no-reflection --no-stacktrace-data
// License: MIT

using System;
using System.Diagnostics;
using System.Text;

if (args.Length == 0)
{
    Console.Error.WriteLine("xargs utf8 to ansi:\nExample usage: xargsu2a git log > log.txt");
    return;
}

var spi = new ProcessStartInfo(args[0])
{
    RedirectStandardOutput = true,
    StandardOutputEncoding = Encoding.UTF8,
    UseShellExecute = false,
};
for (int i = 1; i < args.Length; i++)
    spi.ArgumentList.Add(args[i]);

var p = Process.Start(spi);
string s = p.StandardOutput.ReadToEnd();
Console.Write(s);