patch 8.2.5117: crash when calling a Lua callback from a :def function Commit: https://github.com/vim/vim/commit/7d149f899d423b7bf2b90d7b11ebe3e560c462b9 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jun 17 19:23:34 2022 +0100 patch 8.2.5117: crash when calling a Lua callback from a :def function Problem: Crash when calling a Lua callback from a :def function. (Bohdan Makohin) Solution: Handle FC_CFUNC in call_user_func_check(). (closes #10587)

#!/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