$ git clone -n https://src.fedoraproject.org/rpms/festival-freebsoft-utils.git /var/lib/mock/f45-build-8917-397/root/chroot_tmpdir/scmroot/festival-freebsoft-utils
Cloning into '/var/lib/mock/f45-build-8917-397/root/chroot_tmpdir/scmroot/festival-freebsoft-utils'...
$ git fetch origin f7bcbb9b6cd72517f2207115515df6480faed5a2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/festival-freebsoft-utils
 * [new ref]         f7bcbb9b6cd72517f2207115515df6480faed5a2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f7bcbb9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild