$ git clone -n https://src.fedoraproject.org/rpms/bovo.git /var/lib/mock/f39-build-1709100-41223/root/chroot_tmpdir/scmroot/bovo
Cloning into '/var/lib/mock/f39-build-1709100-41223/root/chroot_tmpdir/scmroot/bovo'...
$ git fetch origin d5de55089a2df6768e92b83867c0d57a58cd0312:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bovo
 * [new ref]         d5de55089a2df6768e92b83867c0d57a58cd0312 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d5de550 23.08.3