$ git clone -n https://gitee.com/src-opencloudos-rpms/sos.git /var/lib/mock/dist-oc9-build-251145-84074/root/chroot_tmpdir/scmroot/sos
Cloning into '/var/lib/mock/dist-oc9-build-251145-84074/root/chroot_tmpdir/scmroot/sos'...
$ git fetch origin b57fe3773e6f31ef185adce58c6fae84c98c000f:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/sos
 * [new ref]         b57fe3773e6f31ef185adce58c6fae84c98c000f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b57fe37 import sos-4.6.0-5.tl4.ap.1