func (c *Car) GetPaint() string {
	if c.paint = os.Getenv("BULLETTRAIN_CAR_RUBY_PAINT"); c.paint == "" {
		c.paint = carPaint
	}
	return c.paint
}
GetPaint returns the calculated end paint string for the car.
package carRuby
import (
	"bytes"
	"fmt"
	"log"
	"os"
	"os/exec"
	"path/filepath"
	"regexp"
	"strings"
	"text/template"
	"github.com/bullettrain-sh/bullettrain-go-core/src/ansi"
)
const (
	carPaint    = "white:red"
	symbolPaint = "white:red"
	symbolIcon  = "\uE23E"  
	carTemplate = `{{.Icon | printf "%s " | cs}}{{.Info | c}}`
)
type Car struct {
	paint string
	Pwd string
}