$ git clone -n https://src.fedoraproject.org/rpms/rust-zerocopy-derive.git /var/lib/mock/f40-build-2260766-54420/root/chroot_tmpdir/scmroot/rust-zerocopy-derive
Cloning into '/var/lib/mock/f40-build-2260766-54420/root/chroot_tmpdir/scmroot/rust-zerocopy-derive'...
$ git fetch origin fe73a0434f7665f7e94a8bd249f4c4032047dbf1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-zerocopy-derive
 * [new ref]         fe73a0434f7665f7e94a8bd249f4c4032047dbf1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe73a04 Update to version 0.7.32; Fixes RHBZ#2253064