$ git clone -n https://gitee.com/wency_cn/fuse-overlayfs_1772051643.git /var/lib/mock/dist-an23-build-515035-75118/root/chroot_tmpdir/scmroot/fuse-overlayfs_1772051643
Cloning into '/var/lib/mock/dist-an23-build-515035-75118/root/chroot_tmpdir/scmroot/fuse-overlayfs_1772051643'...
$ git fetch origin b82552e3d521265b58f9e189397c02940368a0f2:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/fuse-overlayfs_1772051643
 * [new ref]         b82552e3d521265b58f9e189397c02940368a0f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b82552e Update code from upstream