$ git clone -n https://gitee.com/wency_cn/sscg.git /var/lib/mock/dist-an23-build-508239-74974/root/chroot_tmpdir/scmroot/sscg
Cloning into '/var/lib/mock/dist-an23-build-508239-74974/root/chroot_tmpdir/scmroot/sscg'...
$ git fetch origin 951d5b8c2b96f91634b5b9ec31d471cc26fac5d0:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/sscg
 * [new ref]         951d5b8c2b96f91634b5b9ec31d471cc26fac5d0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 951d5b8 Update code from upstream