$ git clone -n https://src.fedoraproject.org/rpms/rust-serde_qs.git /var/lib/mock/f40-build-2259105-54366/root/chroot_tmpdir/scmroot/rust-serde_qs
Cloning into '/var/lib/mock/f40-build-2259105-54366/root/chroot_tmpdir/scmroot/rust-serde_qs'...
$ git fetch origin 414c0cb8d3ec0323c992daca8a1663f64e806e36:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-serde_qs
 * [new ref]         414c0cb8d3ec0323c992daca8a1663f64e806e36 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 414c0cb Orphaned for 6+ weeks