package tools

import (
	"fmt"
	"os/exec"
	"strings"
)

func GetGitRoot() (string, error) {
	cmd := exec.Command("git", "rev-parse", "--show-toplevel")
	out, err := cmd.Output()
	if err != nil {
		return "", err
	}
	lines := strings.Split(string(out), "\n")
	if lines[0] == "" {
		return "", fmt.Errorf("unable to determine root directory from git")
	}
	return lines[0], nil
}