$ git clone -n https://src.fedoraproject.org/rpms/rust-xmlwriter.git /var/lib/mock/f40-build-2644542-66508/root/chroot_tmpdir/scmroot/rust-xmlwriter
Cloning into '/var/lib/mock/f40-build-2644542-66508/root/chroot_tmpdir/scmroot/rust-xmlwriter'...
$ git fetch origin 9594c55abb5596b45e8e829c945c63f49c42e37e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-xmlwriter
 * [new ref]         9594c55abb5596b45e8e829c945c63f49c42e37e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9594c55 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild