#!/usr/bin/env bash

# Return user id for running docker container ("" for docker in rootless mode, "-u `id -u`:`id -g`" for docker in root mode)

ROOTLESS_DOCKER_STATUS=$(systemctl --user is-active docker)

if [ "$ROOTLESS_DOCKER_STATUS" == "active" ]; then
    # Rootless docker is running.
    echo -n ""
else
    # Rootless docker is not running.
    echo -n "-u `id -u`:`id -g`"
fi