$ git clone -n https://src.fedoraproject.org/rpms/uhd.git /var/lib/mock/f42-build-side-1-3539502-46565/root/chroot_tmpdir/scmroot/uhd
Cloning into '/var/lib/mock/f42-build-side-1-3539502-46565/root/chroot_tmpdir/scmroot/uhd'...
$ git fetch origin b09e6d0822d1b44413ab0a5b7613ec77cebb277c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/uhd
 * [new ref]         b09e6d0822d1b44413ab0a5b7613ec77cebb277c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b09e6d0 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild