patch 8.2.2299: Vim9: invalid memory access making error message flaky Commit: https://github.com/vim/vim/commit/d1510ee9469f623c872a18b6e3c3666c0fb23c58 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jan 4 16:15:58 2021 +0100 patch 8.2.2299: Vim9: invalid memory access making error message flaky Problem: Vim9: invalid memory access making error message flaky. Solution: Do not check cmd_argt for CMD_USER. (issue https://github.com/vim/vim/issues/7467)

#!/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