$ git clone -n https://gitee.com/src-opencloudos-rpms/chrony.git /var/lib/mock/dist-oc8-build-74815-51395/root/chroot_tmpdir/scmroot/chrony
Cloning into '/var/lib/mock/dist-oc8-build-74815-51395/root/chroot_tmpdir/scmroot/chrony'...
$ git fetch origin f48768958adf14d878800c68136b25e34ed11af7:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/chrony
 * [new ref]         f48768958adf14d878800c68136b25e34ed11af7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f487689 import chrony-4.5-1.tl3.1