#!/usr/bin/python
from distutils.version import LooseVersion
import glob
import os
import shutil
import subprocess
os.chdir("/usr/src")
try:
    f = open("linux/.config")
    f.close()
except FileNotFoundError:
    lv = [LooseVersion(v) for v in glob.iglob("linux?*")]
    lv.sort()
    lv.reverse()
    for i in lv:
        try:
            print(i)
            path = str(i) + "/.config"
            oldconfig = open(path)
            oldconfig.close()
            shutil.copyfile(path, 'linux/.config')
            os.chdir("linux")
            subprocess.call(["make", "olddefconfig"])
            subprocess.call(["kernel-build"])
            break
        except FileNotFoundError:
            u = 0