$ git clone -n https://gitee.com/wenjie2025/sscg.git /var/lib/mock/dist-an23-build-508694-75015/root/chroot_tmpdir/scmroot/sscg
Cloning into '/var/lib/mock/dist-an23-build-508694-75015/root/chroot_tmpdir/scmroot/sscg'...
$ git fetch origin a819ecbd7cf186d29ff52eceec9af7dbe4ad5891:KOJI_FETCH_HEAD
From https://gitee.com/wenjie2025/sscg
 * [new ref]         a819ecbd7cf186d29ff52eceec9af7dbe4ad5891 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a819ecb Update code from upstream