$ git clone -n https://src.fedoraproject.org/rpms/bovo.git /var/lib/mock/f40-build-2442020-61000/root/chroot_tmpdir/scmroot/bovo
Cloning into '/var/lib/mock/f40-build-2442020-61000/root/chroot_tmpdir/scmroot/bovo'...
$ git fetch origin afd65d9dc52dba4bc6c25dfa23025c178a27d906:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bovo
 * [new ref]         afd65d9dc52dba4bc6c25dfa23025c178a27d906 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at afd65d9 24.01.95