$ git clone -n https://src.fedoraproject.org/rpms/megatools.git /var/lib/mock/f39-build-1495689-34545/root/chroot_tmpdir/scmroot/megatools
Cloning into '/var/lib/mock/f39-build-1495689-34545/root/chroot_tmpdir/scmroot/megatools'...
$ git fetch origin 582aca69d85b3816401724b3ede25ea916d1c2bc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/megatools
 * [new ref]         582aca69d85b3816401724b3ede25ea916d1c2bc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 582aca6 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild