$ git clone -n https://src.fedoraproject.org/rpms/hyphen-cy.git /var/lib/mock/f45-build-13901-455/root/chroot_tmpdir/scmroot/hyphen-cy
Cloning into '/var/lib/mock/f45-build-13901-455/root/chroot_tmpdir/scmroot/hyphen-cy'...
$ git fetch origin e08af1052d9e8a4ee7a92aa79ac886089109af0c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hyphen-cy
 * [new ref]         e08af1052d9e8a4ee7a92aa79ac886089109af0c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e08af10 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild