Random git add error

mljdtaylor:~ jdtaylor$ ~/Dropbox/drupdates_tests/drupdates_test_simple.sh
Cloning into bare repository 'drupal'...
done.
Running Drupdates
Traceback (most recent call last):
  File "/usr/local/bin/drupdates", line 9, in <module>
    load_entry_point('Drupdates==1.4.0', 'console_scripts', 'drupdates')()
  File "/usr/local/lib/python2.7/site-packages/Drupdates-1.4.0-py2.7.egg/drupdates/cli.py", line 6, in main
    Updates().run_updates()
  File "/usr/local/lib/python2.7/site-packages/Drupdates-1.4.0-py2.7.egg/drupdates/updates.py", line 16, in __init__
    self.install()
  File "/usr/local/lib/python2.7/site-packages/Drupdates-1.4.0-py2.7.egg/drupdates/updates.py", line 30, in install
    Updates.check_dir(directory)
  File "/usr/local/lib/python2.7/site-packages/Drupdates-1.4.0-py2.7.egg/drupdates/updates.py", line 104, in check_dir
    directory = detect_home_dir(directory)
NameError: global name 'detect_home_dir' is not defined
mljdtaylor:~ jdtaylor$ ~/Dropbox/drupdates_tests/drupdates_test_simple.sh
Cloning into bare repository 'drupal'...
done.
Running Drupdates
Traceback (most recent call last):
  File "/usr/local/bin/drupdates", line 9, in <module>
    load_entry_point('Drupdates==1.4.0', 'console_scripts', 'drupdates')()
  File "/usr/local/lib/python2.7/site-packages/Drupdates-1.4.0-py2.7.egg/drupdates/cli.py", line 6, in main
    Updates().run_updates()
  File "/usr/local/lib/python2.7/site-packages/Drupdates-1.4.0-py2.7.egg/drupdates/updates.py", line 16, in __init__
    self.install()
  File "/usr/local/lib/python2.7/site-packages/Drupdates-1.4.0-py2.7.egg/drupdates/updates.py", line 30, in install
    Updates.check_dir(directory)
  File "/usr/local/lib/python2.7/site-packages/Drupdates-1.4.0-py2.7.egg/drupdates/updates.py", line 104, in check_dir
    Utils.directory = detect_home_dir(directory)
NameError: global name 'detect_home_dir' is not defined
mljdtaylor:~ jdtaylor$ ~/Dropbox/drupdates_tests/drupdates_test_simple.sh
Cloning into bare repository 'drupal'...
done.
Running Drupdates
Traceback (most recent call last):
  File "/usr/local/bin/drupdates", line 9, in <module>
    load_entry_point('Drupdates==1.4.0', 'console_scripts', 'drupdates')()
  File "/usr/local/lib/python2.7/site-packages/Drupdates-1.4.0-py2.7.egg/drupdates/cli.py", line 6, in main
    Updates().run_updates()
  File "/usr/local/lib/python2.7/site-packages/Drupdates-1.4.0-py2.7.egg/drupdates/updates.py", line 16, in __init__
    self.install()
  File "/usr/local/lib/python2.7/site-packages/Drupdates-1.4.0-py2.7.egg/drupdates/updates.py", line 30, in install
    Updates.check_dir(directory)
  File "/usr/local/lib/python2.7/site-packages/Drupdates-1.4.0-py2.7.egg/drupdates/updates.py", line 104, in check_dir
    Utils.directory = detect_home_dir(directory)
NameError: global name 'detect_home_dir' is not defined
mljdtaylor:~ jdtaylor$ ~/Dropbox/drupdates_tests/drupdates_test_simple.sh
Cloning into bare repository 'drupal'...
done.
Running Drupdates
^CTraceback (most recent call last):
  File "/usr/local/bin/drupdates", line 9, in <module>
    load_entry_point('Drupdates==1.4.0', 'console_scripts', 'drupdates')()
  File "/usr/local/lib/python2.7/site-packages/Drupdates-1.4.0-py2.7.egg/drupdates/cli.py", line 6, in main
    Updates().run_updates()
  File "/usr/local/lib/python2.7/site-packages/Drupdates-1.4.0-py2.7.egg/drupdates/updates.py", line 56, in run_updates
    update = self.update_site(current_working_dir)
  File "/usr/local/lib/python2.7/site-packages/Drupdates-1.4.0-py2.7.egg/drupdates/updates.py", line 86, in update_site
    result = call()
  File "/usr/local/lib/python2.7/site-packages/Drupdates-1.4.0-py2.7.egg/drupdates/sitebuild.py", line 43, in build
    self.standup_site(site_webroot)
  File "/usr/local/lib/python2.7/site-packages/Drupdates-1.4.0-py2.7.egg/drupdates/sitebuild.py", line 83, in standup_site
    Drush.call(qd_cmds)
  File "/usr/local/lib/python2.7/site-packages/Drupdates-1.4.0-py2.7.egg/drupdates/drush.py", line 38, in call
    results = popen.communicate()
  File "/usr/local/Cellar/python/2.7.9/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 799, in communicate
    return self._communicate(input)
  File "/usr/local/Cellar/python/2.7.9/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 1411, in _communicate
    stdout, stderr = self._communicate_with_select(input)
  File "/usr/local/Cellar/python/2.7.9/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", line 1512, in _communicate_with_select
    rlist, wlist, xlist = select.select(read_set, write_set, [])
KeyboardInterrupt
mljdtaylor:~ jdtaylor$ ~/Dropbox/drupdates_tests/drupdates_test_simple.sh
Cloning into bare repository 'drupal'...
done.
Running Drupdates
Traceback (most recent call last):
  File "/usr/local/bin/drupdates", line 9, in <module>
    load_entry_point('Drupdates==1.4.0', 'console_scripts', 'drupdates')()
  File "/usr/local/lib/python2.7/site-packages/Drupdates-1.4.0-py2.7.egg/drupdates/cli.py", line 6, in main
    Updates().run_updates()
  File "/usr/local/lib/python2.7/site-packages/Drupdates-1.4.0-py2.7.egg/drupdates/updates.py", line 56, in run_updates
    update = self.update_site(current_working_dir)
  File "/usr/local/lib/python2.7/site-packages/Drupdates-1.4.0-py2.7.egg/drupdates/updates.py", line 86, in update_site
    result = call()
  File "/usr/local/lib/python2.7/site-packages/Drupdates-1.4.0-py2.7.egg/drupdates/siteupdate.py", line 66, in update
    git_repo = self.git_changes()
  File "/usr/local/lib/python2.7/site-packages/Drupdates-1.4.0-py2.7.egg/drupdates/siteupdate.py", line 196, in git_changes
    git_repo.add('./')
  File "/usr/local/lib/python2.7/site-packages/GitPython-0.3.6-py2.7.egg/git/cmd.py", line 431, in <lambda>
    return lambda *args, **kwargs: self._call_process(name, *args, **kwargs)
  File "/usr/local/lib/python2.7/site-packages/GitPython-0.3.6-py2.7.egg/git/cmd.py", line 802, in _call_process
    return self.execute(make_call(), **_kwargs)
  File "/usr/local/lib/python2.7/site-packages/GitPython-0.3.6-py2.7.egg/git/cmd.py", line 607, in execute
    raise GitCommandError(command, status, stderr_value)
git.exc.GitCommandError: 'git add ./' returned with exit code -11