$ git clone -n https://gitee.com/guost123/fuse-overlayfs.git /var/lib/mock/dist-an23-build-444506-73188/root/chroot_tmpdir/scmroot/fuse-overlayfs
Cloning into '/var/lib/mock/dist-an23-build-444506-73188/root/chroot_tmpdir/scmroot/fuse-overlayfs'...
$ git fetch origin e2d9a920de58f9e240e54eae020bd9b589430587:KOJI_FETCH_HEAD
From https://gitee.com/guost123/fuse-overlayfs
 * [new ref]         e2d9a920de58f9e240e54eae020bd9b589430587 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e2d9a92 add support for riscv64