$ git clone -n https://gitee.com/wenyuzifang/graphite2.git /var/lib/mock/dist-an23-build-469676-74027/root/chroot_tmpdir/scmroot/graphite2
Cloning into '/var/lib/mock/dist-an23-build-469676-74027/root/chroot_tmpdir/scmroot/graphite2'...
$ git fetch origin 841c666b426f1104186c82903487496b87f56135:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/graphite2
 * [new ref]         841c666b426f1104186c82903487496b87f56135 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 841c666 Update code from upstream