patch 8.2.4508: Vim9: cannot assign to a global variable on the command line Commit: https://github.com/vim/vim/commit/330a388e18ad6b64c3574c712db675258b0e9878 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Mar 5 11:05:57 2022 +0000 patch 8.2.4508: Vim9: cannot assign to a global variable on the command line Problem: Vim9: cannot assign to a global variable on the command line. Solution: Allow using :vim9cmd for assignment on the command line.

#!/bin/bash
set -e

apt-get install -y xvfb

cat <<EOT >/etc/systemd/system/xvfb.service
[Unit]
Description=X Virtual Frame Buffer Service
After=network.target
[Service]
ExecStart=/usr/bin/Xvfb :99 -screen 0 1024x768x24
[Install]
WantedBy=multi-user.target
EOT

systemctl enable xvfb.service
systemctl start xvfb.service