#!/bin/sh

if git status &>/dev/null; then
	branch=$(git branch --show-current)

	read -ra counts <<< $(git rev-list --left-right --count $branch...origin/$branch)
	to_push=${counts[0]}
	to_pull=${counts[1]}

	extras=$([[ ${counts[0]} -eq 0 && ${counts[1]} -eq 0 ]] || echo " $to_push↑ $to_pull↓")

	if [[ $(git diff --shortstat 2> /dev/null | tail -n1) != "" ]]; then
		echo "($branch*$extras)"
	else
		echo "($branch~$extras)"
	fi
fi