patch 8.2.1698: cannot lock a variable in legacy Vim script like in Vim9 Commit: https://github.com/vim/vim/commit/a187c43cfe8863d48b2159d695fedcb71f8525c1 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Sep 16 21:08:28 2020 +0200 patch 8.2.1698: cannot lock a variable in legacy Vim script like in Vim9 Problem: Cannot lock a variable in legacy Vim script like in Vim9. Solution: Make ":lockvar 0" work.

#!/bin/bash
set -e

if ! modprobe snd-dummy; then
    # snd-dummy is contained in linux-modules-extra (if exists)
    apt-get install -yq --no-install-suggests --no-install-recommends "linux-modules-extra-$(uname -r)"
    modprobe snd-dummy
fi