$ git clone -n https://src.fedoraproject.org/rpms/rust-enum_dispatch.git /var/lib/mock/f45-build-41469-782/root/chroot_tmpdir/scmroot/rust-enum_dispatch
Cloning into '/var/lib/mock/f45-build-41469-782/root/chroot_tmpdir/scmroot/rust-enum_dispatch'...
$ git fetch origin bbb50532a9ea4da17df5d5effef973411d19a1d3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-enum_dispatch
 * [new ref]         bbb50532a9ea4da17df5d5effef973411d19a1d3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bbb5053 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild