$ git clone -n https://src.fedoraproject.org/rpms/rust-gimli.git /var/lib/mock/f40-build-2651573-66883/root/chroot_tmpdir/scmroot/rust-gimli
Cloning into '/var/lib/mock/f40-build-2651573-66883/root/chroot_tmpdir/scmroot/rust-gimli'...
$ git fetch origin 5ec4594833996029ab42dafb054041795d1d0ac2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gimli
 * [new ref]         5ec4594833996029ab42dafb054041795d1d0ac2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5ec4594 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild