$ git clone -n https://gitee.com/wency_cn/fuse-overlayfs.git /var/lib/mock/dist-an23-build-492019-74553/root/chroot_tmpdir/scmroot/fuse-overlayfs
Cloning into '/var/lib/mock/dist-an23-build-492019-74553/root/chroot_tmpdir/scmroot/fuse-overlayfs'...
$ git fetch origin e9b93a99527c260ba8416b8f51926364f1dd6b9a:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/fuse-overlayfs
 * [new ref]         e9b93a99527c260ba8416b8f51926364f1dd6b9a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e9b93a9 Update code from upstream