$ git clone -n https://gitee.com/wenyuzifang/fuse-overlayfs.git /var/lib/mock/dist-an23-build-485083-74348/root/chroot_tmpdir/scmroot/fuse-overlayfs
Cloning into '/var/lib/mock/dist-an23-build-485083-74348/root/chroot_tmpdir/scmroot/fuse-overlayfs'...
$ git fetch origin b7728446bacca4d4a4788b6861bb9d9cc65afbe9:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/fuse-overlayfs
 * [new ref]         b7728446bacca4d4a4788b6861bb9d9cc65afbe9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b772844 Update code from upstream