package common import ( "fmt" "os" "os/user" "path/filepath" "runtime" "strings" "github.com/kardianos/osext" ) // MakeName creates a node name that follows the ethereum convention // for such names. It adds the operation system name and Go runtime version // the name. func MakeName(name, version string) string { return fmt.Sprintf("%s/v%s/%s/%s", name, version, runtime.GOOS, runtime.Version()) } func ExpandHomePath(p string) (path string) { path = p sep := fmt.Sprintf("%s", os.PathSeparator) // Check in case of paths like "/something/~/something/" if len(p) > 1 && p[:1+len(sep)] == "~"+sep { usr, _ := user.Current() dir := usr.HomeDir path = strings.Replace(p, "~", dir, 1) } return } func FileExist(filePath string) bool { _, err := os.Stat(filePath) if err != nil && os.IsNotExist(err) { return false } return true } func AbsolutePath(Datadir string, filename string) string { if filepath.IsAbs(filename) { return filename } return filepath.Join(Datadir, filename) } func DefaultAssetPath() string { var assetPath string pwd, _ := os.Getwd() srcdir := filepath.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "cmd", "mist") // If the current working directory is the go-ethereum dir // assume a debug build and use the source directory as // asset directory. if pwd == srcdir { assetPath = filepath.Join(pwd, "assets") } else { switch runtime.GOOS { case "darwin": // Get Binary Directory exedir, _ := osext.ExecutableFolder() assetPath = filepath.Join(exedir, "..", "Resources") case "linux": assetPath = filepath.Join("usr", "share", "mist") case "windows": assetPath = filepath.Join(".", "assets") default: assetPath = "." } } // Check if the assetPath exists. If not, try the source directory // This happens when binary is run from outside cmd/mist directory if _, err := os.Stat(assetPath); os.IsNotExist(err) { assetPath = filepath.Join(srcdir, "assets") } return assetPath } func DefaultDataDir() string { usr, _ := user.Current() if runtime.GOOS == "darwin" { return filepath.Join(usr.HomeDir, "Library", "Ethereum") } else if runtime.GOOS == "windows" { return filepath.Join(usr.HomeDir, "AppData", "Roaming", "Ethereum") } else { return filepath.Join(usr.HomeDir, ".ethereum") } } func DefaultIpcPath() string { return filepath.Join(DefaultDataDir(), "geth.ipc") } func IsWindows() bool { return runtime.GOOS == "windows" } func WindonizePath(path string) string { if string(path[0]) == "/" && IsWindows() { path = path[1:] } return path }