$ git clone -n https://src.fedoraproject.org/rpms/rust-async-io.git /var/lib/mock/f40-build-2162761-50941/root/chroot_tmpdir/scmroot/rust-async-io
Cloning into '/var/lib/mock/f40-build-2162761-50941/root/chroot_tmpdir/scmroot/rust-async-io'...
$ git fetch origin 1fd732c5ffa0b1e43901437023b3af0b80aead14:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-async-io
 * [new ref]         1fd732c5ffa0b1e43901437023b3af0b80aead14 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1fd732c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild