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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 IsWindows() bool {
return runtime.GOOS == "windows"
}
func WindonizePath(path string) string {
if string(path[0]) == "/" && IsWindows() {
path = path[1:]
}
return path
}
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