$ git clone -n https://gitee.com/src-opencloudos-rpms/lttng-ust.git /var/lib/mock/dist-oc9-build-64170-16463/root/chroot_tmpdir/scmroot/lttng-ust
Cloning into '/var/lib/mock/dist-oc9-build-64170-16463/root/chroot_tmpdir/scmroot/lttng-ust'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/lttng-ust
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a020779 import lttng-ust-2.13.6-3.tl4