$ git clone -n https://src.fedoraproject.org/rpms/asymptote.git /var/lib/mock/f40-build-780347-130933/root/chroot_tmpdir/scmroot/asymptote
Cloning into '/var/lib/mock/f40-build-780347-130933/root/chroot_tmpdir/scmroot/asymptote'...
$ git fetch origin 40be908df37c07f6cecec0b15f47ff565dd69bc7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/asymptote
 * [new ref]         40be908df37c07f6cecec0b15f47ff565dd69bc7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 40be908 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild