(artful-samba-apport-cifs-1703604)andreas@nsn7:~/git/packages/samba$ git ubuntu build-source --sign
09/01/2017 14:10:14 - ERROR:Command exited 2: dpkg-buildpackage -S -nc -d -i -I
09/01/2017 14:10:14 - ERROR:stdout: 
09/01/2017 14:10:14 - ERROR:stderr: dpkg-buildpackage: error: fakeroot not found, either install the fakeroot
  package, specify a command with the -r option, or run this as root
09/01/2017 14:10:14 - ERROR:Failed to build
Traceback (most recent call last):
  File "/snap/git-ubuntu/211/gitubuntu/build.py", line 558, in fetch_orig_and_build
    run(['dpkg-buildpackage'] + rem_args)
  File "/snap/git-ubuntu/211/gitubuntu/run.py", line 70, in run
    raise e
  File "/snap/git-ubuntu/211/gitubuntu/run.py", line 55, in run
    stdout=stdout, stderr=stderr, stdin=stdin)
  File "/snap/git-ubuntu/211/usr/lib/python3.6/subprocess.py", line 418, in run
    output=stdout, stderr=stderr)
subprocess.CalledProcessError: Command '['dpkg-buildpackage', '-S', '-nc', '-d', '-i', '-I']' returned non-zero exit status 2.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/snap/git-ubuntu/211/bin/git-ubuntu", line 22, in <module>
    main()
  File "/snap/git-ubuntu/211/gitubuntu/__main__.py", line 213, in main
    args.func(args)
  File "/snap/git-ubuntu/211/gitubuntu/buildsource.py", line 70, in main
    super().main(args)
  File "/snap/git-ubuntu/211/gitubuntu/build.py", line 512, in main
    fetch_orig_and_build(orig_search_list, changelog, rem_args)
  File "/snap/git-ubuntu/211/gitubuntu/build.py", line 565, in fetch_orig_and_build
    entry.source,
RuntimeError: Unable to build using fetch_orig_from_parent_dir(source=None)