patch 8.2.2143: Vim9: dead code in compiling :unlet Commit: https://github.com/vim/vim/commit/ec792290eb902e01c9edfc0cb71e5235833df56a Author: Bram Moolenaar <Bram@vim.org> Date: Sun Dec 13 21:26:56 2020 +0100 patch 8.2.2143: Vim9: dead code in compiling :unlet Problem: Vim9: dead code in compiling :unlet. Solution: Don't check for "!" a second time.

#!/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