$ git clone -n https://src.fedoraproject.org/rpms/hevea.git /var/lib/mock/f45-build-13401-450/root/chroot_tmpdir/scmroot/hevea
Cloning into '/var/lib/mock/f45-build-13401-450/root/chroot_tmpdir/scmroot/hevea'...
$ git fetch origin e669e34f570d2979c6cb9fda5c0aa55b06bbae4c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hevea
 * [new ref]         e669e34f570d2979c6cb9fda5c0aa55b06bbae4c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e669e34 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild