$ git clone -n https://src.fedoraproject.org/rpms/rust-format-bytes-macros.git /var/lib/mock/f40-build-2036419-48029/root/chroot_tmpdir/scmroot/rust-format-bytes-macros
Cloning into '/var/lib/mock/f40-build-2036419-48029/root/chroot_tmpdir/scmroot/rust-format-bytes-macros'...
$ git fetch origin 993df488498afb747329fc27b6efa33572c28029:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-format-bytes-macros
 * [new ref]         993df488498afb747329fc27b6efa33572c28029 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 993df48 Regenerate with rust2rpm v24