The real reason for this patch is to test our patch management infrastructure.
# version stamp in src/allmydata/_version.py, with a version number derived from
# darcs history.
# http://pypi.python.org/pypi/darcsver
-setup_requires.append('darcsver >= 1.1.2')
+if 'darcsver' in sys.argv[1:]:
+ setup_requires.append('darcsver >= 1.1.2')
# setuptools_darcs is required to produce complete distributions (such as with
# "sdist" or "bdist_egg"), unless there is a PKG-INFO file present which shows