$ git clone -n https://gitee.com/wenyuzifang/gtk4.git /var/lib/mock/dist-an23-build-486114-74364/root/chroot_tmpdir/scmroot/gtk4
Cloning into '/var/lib/mock/dist-an23-build-486114-74364/root/chroot_tmpdir/scmroot/gtk4'...
$ git fetch origin ea70a45cabd96fd7819016e973ea66fdffc946d6:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/gtk4
 * [new ref]         ea70a45cabd96fd7819016e973ea66fdffc946d6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ea70a45 Update code from upstream