$ git clone -n https://src.fedoraproject.org/rpms/rust-des.git /var/lib/mock/f38-build-side-43-rust-devel-1415845-31455/root/chroot_tmpdir/scmroot/rust-des
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1415845-31455/root/chroot_tmpdir/scmroot/rust-des'...
$ git fetch origin ca808f6e84b0c5fe3454f0784d5990ad4417a3da:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-des
 * [new ref]         ca808f6e84b0c5fe3454f0784d5990ad4417a3da -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca808f6 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild