$ git clone -n https://src.fedoraproject.org/rpms/farstream02.git /var/lib/mock/f45-build-8673-393/root/chroot_tmpdir/scmroot/farstream02
Cloning into '/var/lib/mock/f45-build-8673-393/root/chroot_tmpdir/scmroot/farstream02'...
$ git fetch origin 34d3dc4edc5e280d57627132653f516bf283097e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/farstream02
 * [new ref]         34d3dc4edc5e280d57627132653f516bf283097e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 34d3dc4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild