$ git clone -n https://src.fedoraproject.org/rpms/python-pysmb.git /var/lib/mock/f41-build-side-1-2755498-31314/root/chroot_tmpdir/scmroot/python-pysmb
Cloning into '/var/lib/mock/f41-build-side-1-2755498-31314/root/chroot_tmpdir/scmroot/python-pysmb'...
$ git fetch origin b59599b132fcc5bd00e1546874389f0687822778:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pysmb
 * [new ref]         b59599b132fcc5bd00e1546874389f0687822778 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b59599b Update to new upstream version