$ git clone -n https://gitee.com/wenyuzifang/gd.git /var/lib/mock/dist-an23-build-485966-74348/root/chroot_tmpdir/scmroot/gd
Cloning into '/var/lib/mock/dist-an23-build-485966-74348/root/chroot_tmpdir/scmroot/gd'...
$ git fetch origin 46dfc9ec4f63eeebf45d6b3dd7bdfdb3fcd0f420:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/gd
 * [new ref]         46dfc9ec4f63eeebf45d6b3dd7bdfdb3fcd0f420 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 46dfc9e Update code from upstream