$ git clone -n https://src.fedoraproject.org/rpms/knights.git /var/lib/mock/f42-build-side-1-3498690-45963/root/chroot_tmpdir/scmroot/knights
Cloning into '/var/lib/mock/f42-build-side-1-3498690-45963/root/chroot_tmpdir/scmroot/knights'...
$ git fetch origin f690db7c4c9669d0b4e697691034e48910f04a22:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/knights
 * [new ref]         f690db7c4c9669d0b4e697691034e48910f04a22 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f690db7 25.04.0