$ git clone -n https://src.fedoraproject.org/rpms/rust-uu_cut.git /var/lib/mock/f40-build-781164-131436/root/chroot_tmpdir/scmroot/rust-uu_cut
Cloning into '/var/lib/mock/f40-build-781164-131436/root/chroot_tmpdir/scmroot/rust-uu_cut'...
$ git fetch origin d03b4962d90e71cca4d6b6c0d2068c9580783596:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uu_cut
 * [new ref]         d03b4962d90e71cca4d6b6c0d2068c9580783596 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d03b496 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild