$ git clone -n https://gitee.com/zhoujiajia111/flex.git /var/lib/mock/dist-an23-build-466608-73981/root/chroot_tmpdir/scmroot/flex
Cloning into '/var/lib/mock/dist-an23-build-466608-73981/root/chroot_tmpdir/scmroot/flex'...
$ git fetch origin 0a9bb7aa3f27d65af1ed698f8afb361300a562c5:KOJI_FETCH_HEAD
From https://gitee.com/zhoujiajia111/flex
 * [new ref]         0a9bb7aa3f27d65af1ed698f8afb361300a562c5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a9bb7a Update code from upstream