$ git clone -n https://src.fedoraproject.org/rpms/python-pygraphviz.git /var/lib/mock/f31-build-46968-26762/root/chroot_tmpdir/scmroot/python-pygraphviz
Cloning into '/var/lib/mock/f31-build-46968-26762/root/chroot_tmpdir/scmroot/python-pygraphviz'...
$ git reset --hard 74bac02ad81f861a4cc7b4e75a04bd8b8b8d498c
HEAD is now at 74bac02 Fix build under sphinx 2.x