$ git clone -n https://gitee.com/src-opencloudos-rpms/lz4.git /var/lib/mock/dist-oc9-build-228661-81218/root/chroot_tmpdir/scmroot/lz4
Cloning into '/var/lib/mock/dist-oc9-build-228661-81218/root/chroot_tmpdir/scmroot/lz4'...
$ git fetch origin fc1c3fe233706097385dbaa816d7fa936976058c:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/lz4
 * [new ref]         fc1c3fe233706097385dbaa816d7fa936976058c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fc1c3fe import lz4-1.9.4-5.tl4