$ git clone -n https://src.fedoraproject.org/rpms/knavalbattle.git /var/lib/mock/f40-build-2126136-50780/root/chroot_tmpdir/scmroot/knavalbattle
Cloning into '/var/lib/mock/f40-build-2126136-50780/root/chroot_tmpdir/scmroot/knavalbattle'...
$ git fetch origin 105b39f332f522c52d0f10bba752a5f906a61657:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/knavalbattle
 * [new ref]         105b39f332f522c52d0f10bba752a5f906a61657 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 105b39f 24.01.85