$ git clone -n https://src.fedoraproject.org/rpms/python-etcd3gw.git /var/lib/mock/f41-build-side-2-python-2693870-30279/root/chroot_tmpdir/scmroot/python-etcd3gw
Cloning into '/var/lib/mock/f41-build-side-2-python-2693870-30279/root/chroot_tmpdir/scmroot/python-etcd3gw'...
$ git fetch origin 8bf9575c871a4fef33142ef95709374c68a05c64:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-etcd3gw
 * [new ref]         8bf9575c871a4fef33142ef95709374c68a05c64 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8bf9575 New upstream version 2.4.1 (rhbz#2301633)