#!/bin/bash

function git-config-as {
	local SHA NAME EMAIL
	SHA=$1
	if [ -z "$1" ]; then
		SHA=HEAD
	fi
	NAME=$( git log $SHA -1 --pretty=format:%aN )
	EMAIL=$( git log $SHA -1 --pretty=format:%ae )

	git config user.name "$NAME"
	git config user.email "$EMAIL"
	echo "Configured as \"$NAME <$EMAIL>\""
}