Powershell version for git-loglive with cmdlet binding for default params and documentation sytax so get-help works on the command.

git-loglive.ps1

function Git-Loglive()
{
	<# 
	.SYNOPSIS 
		Outputs git log information live.
	.DESCRIPTION 
		Outputs log information in a loop with a specified polling rate.
	.PARAMETER lines
		The number of log lines to output.
	.PARAMETER sleep
		The poll rate of the log in seconds (decimals okay).
	#>
	[CmdletBinding()]
	Param(
		[Parameter(Mandatory=$false,Position=1)]
		[string]$lines = 20,
		
		[Parameter(Mandatory=$false,Position=2)]
		[string]$sleep = 10
	)
	
	while($true)
	{
		cls
		git --no-pager log --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%ci) %C(bold blue)<%an>%Creset' --abbrev-commit --date=relative --all -$lines
		sleep $sleep
	}
}