$ git clone -n https://src.fedoraproject.org/rpms/disomaster.git /var/lib/mock/f40-build-2284451-55634/root/chroot_tmpdir/scmroot/disomaster
Cloning into '/var/lib/mock/f40-build-2284451-55634/root/chroot_tmpdir/scmroot/disomaster'...
$ git fetch origin 78650e9074f76ca0735fa2aac8dd54119f53495c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/disomaster
 * [new ref]         78650e9074f76ca0735fa2aac8dd54119f53495c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 78650e9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild