$ git clone -n https://src.fedoraproject.org/rpms/sway-systemd.git /var/lib/mock/f41-build-side-1-2872264-34343/root/chroot_tmpdir/scmroot/sway-systemd
Cloning into '/var/lib/mock/f41-build-side-1-2872264-34343/root/chroot_tmpdir/scmroot/sway-systemd'...
$ git fetch origin b898a2bd5e48e1cbfaf16e41b9c2db44d7b06b10:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sway-systemd
 * [new ref]         b898a2bd5e48e1cbfaf16e41b9c2db44d7b06b10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b898a2b Update to 0.4.1