$ git clone -n https://src.fedoraproject.org/rpms/rust-vcsgraph.git /var/lib/mock/f45-build-46023-830/root/chroot_tmpdir/scmroot/rust-vcsgraph
Cloning into '/var/lib/mock/f45-build-46023-830/root/chroot_tmpdir/scmroot/rust-vcsgraph'...
$ git fetch origin d35e8d102a471d15f2851c0114fdb45896c8b2df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-vcsgraph
 * [new ref]         d35e8d102a471d15f2851c0114fdb45896c8b2df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d35e8d1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild