docker.sh

#!/bin/bash
#
# docker.sh - part of the Arch-Setup project
# Copyright (C) 2023-2025, JustScott, development@justscott.me
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

if [[ $(basename $PWD) != "Arch-Setup" ]]
then
    printf "\e[31m%s\e[0m\n" \
        "[Error] Please run script from the Arch-Setup base directory"
    exit 1
fi

source ./shared_lib

sudo -v

packages=(docker docker-compose)

if ! pacman -Q ${packages[@]} &>/dev/null; then
    sudo pacman -Sy --noconfirm ${packages[@]} >>"$STDOUT_LOG_PATH" 2>>"$STDERR_LOG_PATH" &
    task_output $! "$STDERR_LOG_PATH" "Download and install docker and docker-compose with pacman"
    [[ $? -ne 0 ]] && exit 1
fi

{
    sudo systemctl enable --now docker
    sudo usermod -aG docker $USER
} >>"$STDOUT_LOG_PATH" 2>>"$STDERR_LOG_PATH" &
task_output $! "$STDERR_LOG_PATH" "Configure Docker"
[[ $? -ne 0 ]] && exit 1

if [[ -f $HOME/.bashrc ]]; then
    ACTION="Set Docker defaults in $HOME/.bashrc"
    {
        cat $HOME/.bashrc | grep "export DOCKER_BUILDKIT=1" >/dev/null || \
            echo -e "\nexport DOCKER_BUILDKIT=1" >> $HOME/.bashrc
        cat $HOME/.bashrc | grep "export COMPOSE_DOCKER_CLI_BUILD=1" >/dev/null || \
            echo -e "export COMPOSE_DOCKER_CLI_BUILD=1\n" >> $HOME/.bashrc
    } >>"$STDOUT_LOG_PATH" 2>>"$STDERR_LOG_PATH" &
    task_output $! "$STDERR_LOG_PATH" "Append docker variables to .bashrc"
    [[ $? -ne 0 ]] && exit 1
fi