#!/bin/bash
# This file is part of Moonfire NVR, a security camera network video recorder.
# Copyright (C) 2021 The Moonfire NVR Authors; see AUTHORS and LICENSE.txt.
# SPDX-License-Identifier: GPL-v3.0-or-later WITH GPL-3.0-linking-exception.

# Build the "dev" target. See Dockerfile.

set -o errexit
set -o pipefail
set -o xtrace

mkdir --mode=1777 /docker-build-debug
mkdir /docker-build-debug/dev-common
exec > >(tee -i /docker-build-debug/dev-common/output) 2>&1

date
uname -a
find /var/cache/apt -ls > /docker-build-debug/dev-common/var-cache-apt-before

export DEBIAN_FRONTEND=noninteractive

# This file cleans apt caches after every invocation. Instead, we use a
# buildkit cachemount to avoid putting them in the image while still allowing
# some reuse.
rm /etc/apt/apt.conf.d/docker-clean

packages=()

# Install all packages necessary for building (and some for testing/debugging).
packages+=(
    build-essential
    curl
    pkgconf
    locales
    sudo
    sqlite3
    tzdata
    vim-nox
)
time apt-get update
time apt-get install --assume-yes --no-install-recommends "${packages[@]}"

# Install a more recent nodejs/npm than in the universe repository.
time curl -sL https://deb.nodesource.com/setup_14.x | bash -
time apt-get install nodejs

# Create the user. On the dev environment, allow sudo.
groupadd \
    --gid="${BUILD_GID}" \
    moonfire-nvr
useradd \
    --no-log-init \
    --home-dir=/var/lib/moonfire-nvr \
    --uid="${BUILD_UID}" \
    --gid=moonfire-nvr \
    --shell=/bin/bash \
    --create-home \
    moonfire-nvr
echo 'moonfire-nvr ALL=(ALL) NOPASSWD: ALL' >>/etc/sudoers

# Install Rust. Note curl was already installed for yarn above.
time su moonfire-nvr -lc "
    curl --proto =https --tlsv1.2 -sSf https://sh.rustup.rs |
    sh -s - -y"

# Put configuration for the Rust build into a new ".buildrc" which is used
# both (1) interactively from ~/.bashrc when logging into the dev container
# and (2) from a build-server RUN command. In particular, the latter can't
# use ~/.bashrc because that script immediately exits when run from a
# non-interactive shell.
echo 'source $HOME/.buildrc' >> /var/lib/moonfire-nvr/.bashrc
cat >> /var/lib/moonfire-nvr/.buildrc <<EOF
source \$HOME/.cargo/env

# Set the target directory to be outside the src bind mount.
# https://doc.rust-lang.org/cargo/reference/config.html#buildtarget-dir
export CARGO_BUILD_TARGET_DIR=/var/lib/moonfire-nvr/target
EOF
chown moonfire-nvr:moonfire-nvr /var/lib/moonfire-nvr/.buildrc

find /var/cache/apt -ls > /docker-build-debug/dev-common/var-cache-apt-after
date