mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
synced 2024-12-22 11:31:02 +00:00
75 lines
1.9 KiB
Go
75 lines
1.9 KiB
Go
// Copyright 2014 The go-ethereum Authors
|
|
// This file is part of the go-ethereum library.
|
|
//
|
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// The go-ethereum library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package common
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"os/user"
|
|
"path/filepath"
|
|
"runtime"
|
|
"strings"
|
|
)
|
|
|
|
// 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 := string(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 HomeDir() string {
|
|
if home := os.Getenv("HOME"); home != "" {
|
|
return home
|
|
}
|
|
if usr, err := user.Current(); err == nil {
|
|
return usr.HomeDir
|
|
}
|
|
return ""
|
|
}
|