$ git clone -n https://gitee.com/wency_cn/guava.git /var/lib/mock/dist-an23-build-502054-74794/root/chroot_tmpdir/scmroot/guava
Cloning into '/var/lib/mock/dist-an23-build-502054-74794/root/chroot_tmpdir/scmroot/guava'...
$ git fetch origin faef6e8d34aba70b80112d85d87a33b247901b6d:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/guava
 * [new ref]         faef6e8d34aba70b80112d85d87a33b247901b6d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at faef6e8 Update code from upstream