$ git clone -n https://src.fedoraproject.org/rpms/rust-nu-protocol.git /var/lib/mock/f40-build-2269121-54759/root/chroot_tmpdir/scmroot/rust-nu-protocol
Cloning into '/var/lib/mock/f40-build-2269121-54759/root/chroot_tmpdir/scmroot/rust-nu-protocol'...
$ git fetch origin 985a43c4ddf42cb906585441e33ce33e2df37298:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-nu-protocol
 * [new ref]         985a43c4ddf42cb906585441e33ce33e2df37298 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 985a43c Update to 0.88.1