$ git clone -n https://src.fedoraproject.org/rpms/douceur.git /var/lib/mock/f45-build-7719-368/root/chroot_tmpdir/scmroot/douceur
Cloning into '/var/lib/mock/f45-build-7719-368/root/chroot_tmpdir/scmroot/douceur'...
$ git fetch origin a576cc8c7349dd76b703902001b7034741025275:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/douceur
 * [new ref]         a576cc8c7349dd76b703902001b7034741025275 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a576cc8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild