$ git clone -n https://src.fedoraproject.org/rpms/rust-num_enum.git /var/lib/mock/f45-build-43477-803/root/chroot_tmpdir/scmroot/rust-num_enum
Cloning into '/var/lib/mock/f45-build-43477-803/root/chroot_tmpdir/scmroot/rust-num_enum'...
$ git fetch origin ec87d0cad57b4c547f233b350f7af35bbd508b5b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-num_enum
 * [new ref]         ec87d0cad57b4c547f233b350f7af35bbd508b5b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ec87d0c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild