$ git clone -n https://src.fedoraproject.org/rpms/robodoc.git /var/lib/mock/f45-build-34571-688/root/chroot_tmpdir/scmroot/robodoc
Cloning into '/var/lib/mock/f45-build-34571-688/root/chroot_tmpdir/scmroot/robodoc'...
$ git fetch origin db3d2cfc27e56268ee5b776ee1f807863ccf3b5f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/robodoc
 * [new ref]         db3d2cfc27e56268ee5b776ee1f807863ccf3b5f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db3d2cf Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild