$ git clone -n https://gitee.com/wenyuzifang/fuse-overlayfs.git /var/lib/mock/dist-an23-build-462375-73799/root/chroot_tmpdir/scmroot/fuse-overlayfs
Cloning into '/var/lib/mock/dist-an23-build-462375-73799/root/chroot_tmpdir/scmroot/fuse-overlayfs'...
$ git fetch origin 19c8729404b55be866e8f720b8f8d4c972b25980:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/fuse-overlayfs
 * [new ref]         19c8729404b55be866e8f720b8f8d4c972b25980 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 19c8729 Update code from upstream