root/usr/local/bin/install-extension

#!/usr/bin/with-contenv bash
# shellcheck shell=bash

_install=(/app/code-server/bin/code-server "--extensions-dir" "/config/extensions" "--install-extension")

if [ "$(whoami)" == "abc" ]; then
    "${_install[@]}" "$@"
else
    s6-setuidgid abc "${_install[@]}" "$@"
fi