$ git clone -n https://src.fedoraproject.org/rpms/rust-enum-display-derive.git /var/lib/mock/f45-build-41459-782/root/chroot_tmpdir/scmroot/rust-enum-display-derive
Cloning into '/var/lib/mock/f45-build-41459-782/root/chroot_tmpdir/scmroot/rust-enum-display-derive'...
$ git fetch origin bcf0dcce1d0d8764e0bd015792d0cc4cbf8c6acb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-enum-display-derive
 * [new ref]         bcf0dcce1d0d8764e0bd015792d0cc4cbf8c6acb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bcf0dcc Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild