$ git clone -n https://gitee.com/src-opencloudos-rpms/ltrace.git /var/lib/mock/dist-oc9-build-137951-79620/root/chroot_tmpdir/scmroot/ltrace
Cloning into '/var/lib/mock/dist-oc9-build-137951-79620/root/chroot_tmpdir/scmroot/ltrace'...
$ git fetch origin 94f637f1eaf534c0cee8ed8a0a836fce9bc42652:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ltrace
 * [new ref]         94f637f1eaf534c0cee8ed8a0a836fce9bc42652 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 94f637f import ltrace-0.7.91-9.git0670fae5.tl4