$ git clone -n https://gitee.com/Weisson/nginx.git /var/lib/mock/dist-an23-build-466897-73998/root/chroot_tmpdir/scmroot/nginx
Cloning into '/var/lib/mock/dist-an23-build-466897-73998/root/chroot_tmpdir/scmroot/nginx'...
$ git fetch origin 47bdc394a0117912d9274810d70ef6a4d187a515:KOJI_FETCH_HEAD
From https://gitee.com/Weisson/nginx
 * [new ref]         47bdc394a0117912d9274810d70ef6a4d187a515 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 47bdc39 Update code from upstream