$ git clone -n https://src.fedoraproject.org/rpms/python-cffi.git /var/lib/mock/f31-build-102304-33506/root/chroot_tmpdir/scmroot/python-cffi
Cloning into '/var/lib/mock/f31-build-102304-33506/root/chroot_tmpdir/scmroot/python-cffi'...
$ git reset --hard aca042d137b74858fa6698dacd062ccf068b970f
HEAD is now at aca042d Clean .gitignore