$ git clone -n https://src.fedoraproject.org/rpms/python-pyvirtualdisplay.git /var/lib/mock/f41-build-side-2-python-2724786-30737/root/chroot_tmpdir/scmroot/python-pyvirtualdisplay
Cloning into '/var/lib/mock/f41-build-side-2-python-2724786-30737/root/chroot_tmpdir/scmroot/python-pyvirtualdisplay'...
$ git fetch origin e5548c54befd67d8fef39b670450c34249cb0fe4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pyvirtualdisplay
 * [new ref]         e5548c54befd67d8fef39b670450c34249cb0fe4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e5548c5 Update to new upstream release 3.0