$ git clone -n https://gitee.com/src-opencloudos-rpms/tracer.git /var/lib/mock/dist-oc8-build-74734-51146/root/chroot_tmpdir/scmroot/tracer
Cloning into '/var/lib/mock/dist-oc8-build-74734-51146/root/chroot_tmpdir/scmroot/tracer'...
$ git fetch origin 11ce91121c476a7dfa775a0148d1cdff0f35a25f:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/tracer
 * [new ref]         11ce91121c476a7dfa775a0148d1cdff0f35a25f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 11ce911 import tracer-1.1-1.tl3