$ git clone -n https://gitee.com/src-opencloudos-rpms/chrony.git /var/lib/mock/dist-oc9-build-81760-55932/root/chroot_tmpdir/scmroot/chrony
Cloning into '/var/lib/mock/dist-oc9-build-81760-55932/root/chroot_tmpdir/scmroot/chrony'...
$ git fetch origin 2a99ee7ca71272b83482b48058a9aab0bacfaa08:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/chrony
 * [new ref]         2a99ee7ca71272b83482b48058a9aab0bacfaa08 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2a99ee7 import chrony-4.3-3.tl4