docker-swag/root/etc/s6-overlay/s6-rc.d/svc-swag-auto-reload/run

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

if [[ ${SWAG_AUTORELOAD,,} == "true" ]]; then
    if [[ -f "/etc/s6-overlay/s6-rc.d/svc-mod-swag-auto-reload/run" ]]; then
        echo "ERROR: Legacy SWAG Auto Reload Mod detected, to use the built-in Auto Reload functionality please remove it from your container config."
        sleep infinity
    else
        echo "Auto-reload: Watching the following folders for changes to .conf files:"
        echo "/config/nginx"
        ACTIVE_WATCH=("/config/nginx")
        for i in $(echo "${SWAG_AUTORELOAD_WATCHLIST}" | tr "|" " "); do
            if [ -f "${i}" ] || [ -d "${i}" ]; then
                echo "${i}"
                ACTIVE_WATCH+=("${i}")
            fi
            done

            function wait_for_changes {
            inotifywait -rq \
                --event modify,move,create,delete \
                --includei '\.conf$' \
                "${ACTIVE_WATCH[@]}"
            }

            while wait_for_changes; do
            NGINX_CONF=()
            if ! grep -q "/config/nginx/nginx.conf" /etc/nginx/nginx.conf; then
                NGINX_CONF=("-c" "/config/nginx/nginx.conf")
            fi
            if /usr/sbin/nginx "${NGINX_CONF[@]}" -t; then
                echo "Changes to nginx config detected and the changes are valid, reloading nginx"
                /usr/sbin/nginx "${NGINX_CONF[@]}" -s reload
            else
                echo "Changes to nginx config detected but the changes are not valid, skipping nginx reload. Please fix your config."
            fi
        done
    fi
else
    sleep infinity
fi