$ git clone -n https://gitee.com/wency_cn/fuse-overlayfs.git /var/lib/mock/dist-an23-build-502356-74802/root/chroot_tmpdir/scmroot/fuse-overlayfs
Cloning into '/var/lib/mock/dist-an23-build-502356-74802/root/chroot_tmpdir/scmroot/fuse-overlayfs'...
$ git fetch origin 83c30f5637d550ac902097bb7eada30eded4b4aa:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/fuse-overlayfs
 * [new ref]         83c30f5637d550ac902097bb7eada30eded4b4aa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 83c30f5 Update code from upstream