$ git clone -n https://src.fedoraproject.org/rpms/uhd.git /var/lib/mock/f40-build-781383-131566/root/chroot_tmpdir/scmroot/uhd
Cloning into '/var/lib/mock/f40-build-781383-131566/root/chroot_tmpdir/scmroot/uhd'...
$ git fetch origin 87fb805ffa2e1412552208abeb5fe5c35043bde0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/uhd
 * [new ref]         87fb805ffa2e1412552208abeb5fe5c35043bde0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87fb805 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild