$ git clone -n https://src.fedoraproject.org/rpms/fann.git /var/lib/mock/f45-build-8665-393/root/chroot_tmpdir/scmroot/fann
Cloning into '/var/lib/mock/f45-build-8665-393/root/chroot_tmpdir/scmroot/fann'...
$ git fetch origin 6336df832615589b7bfdbcb360cc0aead678d779:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fann
 * [new ref]         6336df832615589b7bfdbcb360cc0aead678d779 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6336df8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild