repo init -u https://github.com/LineageOS/android.git -b cm-

roman@elementary-pc:/media/roman/Seagate/android/system$ repo init -u https://github.com/LineageOS/android.git -b cm-14.1
Get https://github.com/LineageOS/android.git
Traceback (most recent call last):
  File "/media/roman/Seagate/android/system/.repo/repo/main.py", line 531, in <module>
    _Main(sys.argv[1:])
  File "/media/roman/Seagate/android/system/.repo/repo/main.py", line 507, in _Main
    result = repo._Run(argv) or 0
  File "/media/roman/Seagate/android/system/.repo/repo/main.py", line 180, in _Run
    result = cmd.Execute(copts, cargs)
  File "/media/roman/Seagate/android/system/.repo/repo/subcmds/init.py", line 399, in Execute
    self._SyncManifest(opt)
  File "/media/roman/Seagate/android/system/.repo/repo/subcmds/init.py", line 171, in _SyncManifest
    m._InitGitDir(mirror_git=mirrored_manifest_git)
  File "/media/roman/Seagate/android/system/.repo/repo/project.py", line 2292, in _InitGitDir
    self._UpdateHooks()
  File "/media/roman/Seagate/android/system/.repo/repo/project.py", line 2312, in _UpdateHooks
    self._InitHooks()
  File "/media/roman/Seagate/android/system/.repo/repo/project.py", line 2341, in _InitHooks
    os.symlink(os.path.relpath(stock_hook, os.path.dirname(dst)), dst)
OSError: [Errno 38] Function not implemented