$ git clone -n https://src.fedoraproject.org/rpms/rust-rand_distr.git /var/lib/mock/f38-build-side-43-rust-devel-1415775-31455/root/chroot_tmpdir/scmroot/rust-rand_distr
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1415775-31455/root/chroot_tmpdir/scmroot/rust-rand_distr'...
$ git fetch origin e9a2785a44d5fbd430aba330a9c3ae81b0f45ff4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rand_distr
 * [new ref]         e9a2785a44d5fbd430aba330a9c3ae81b0f45ff4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e9a2785 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild