$ git clone -n https://src.fedoraproject.org/rpms/rust-basic-toml.git /var/lib/mock/f45-build-40462-772/root/chroot_tmpdir/scmroot/rust-basic-toml
Cloning into '/var/lib/mock/f45-build-40462-772/root/chroot_tmpdir/scmroot/rust-basic-toml'...
$ git fetch origin d7157852c758cb3910df829b30e6f1736b857e68:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-basic-toml
 * [new ref]         d7157852c758cb3910df829b30e6f1736b857e68 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d715785 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild