$ git clone -n https://src.fedoraproject.org/rpms/rust-openssl-kdf.git /var/lib/mock/f40-build-2073413-49358/root/chroot_tmpdir/scmroot/rust-openssl-kdf
Cloning into '/var/lib/mock/f40-build-2073413-49358/root/chroot_tmpdir/scmroot/rust-openssl-kdf'...
$ git fetch origin 65fb7fb28b39b587f9d6957f391ad5fdf34cb1de:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-openssl-kdf
 * [new ref]         65fb7fb28b39b587f9d6957f391ad5fdf34cb1de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 65fb7fb Update to 0.4.2