status-im/status-go

package server

import (
    "os"
    "strings"
)

var (
    local = ".local"
)

func RemoveSuffix(input, suffix string) string {
    il := len(input)
    sl := len(suffix)
    if il > sl {
        if input[il-sl:] == suffix {
            return input[:il-sl]
        }
    }
    return input
}

func parseHostname(hostname string) string {
    hostname = RemoveSuffix(hostname, local)
    return strings.ReplaceAll(hostname, "-", " ")
}

func GetDeviceName() (string, error) {
    name, err := os.Hostname()
    if err != nil {
        return "", err
    }
    return parseHostname(name), nil
}