Just give in and use setuptools_git.

Change-Id: Id0bc211c8071e66379f0eccf0a06118a7245f0de
Reviewed-on: https://review.openstack.org/16495
Reviewed-by: James E. Blair <corvus@inaugust.com>
Reviewed-by: Paul Belanger <paul.belanger@polybeacon.com>
Approved: Jeremy Stanley <fungi@yuggoth.org>
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Tested-by: Jenkins

MANIFEST.in

@@ -1,11 +1,8 @@
+include jenkins_jobs/versioninfo
 include AUTHORS
-include HACKING
-include LICENSE
-include README.rst
 include ChangeLog
-include tox.ini
-include jenkins_jobs/versioninfo
-recursive-include etc *
-recursive-include doc *
-recursive-include tests *
-recursive-include tools *
+
+exclude .gitignore
+exclude .gitreview
+
+global-exclude *.pyc

setup.py

@@ -34,6 +34,7 @@ setuptools.setup(
     include_package_data=True,
     cmdclass=setup.get_cmdclass(),
     install_requires=requires,
+    setup_requires=['setuptools_git>=0.4'],
     dependency_links=depend_links,
     zip_safe=False,
     classifiers=[