gocommon/pkg/internal/util/dir.go

package util

import (
	"os"
	"os/exec"
	"path/filepath"
)

func GetRootPath() string {
	path := os.Getenv("ROOT_PATH")
	if path != "" {
		return filepath.Clean(path)
	}
	curFilename := os.Args[0]
	binaryPath, err := exec.LookPath(curFilename)
	if err != nil {
		panic(err)
	}
	binaryPath, err = filepath.Abs(binaryPath)
	if err != nil {
		panic(err)
	}
	return filepath.Dir(filepath.Dir(binaryPath))
}