setup-buildenv/setup

#!/bin/bash

COMPILER=$2
SSL=$3

DISTRO=$(grep -E '^NAME=' /etc/os-release | 
         cut -d'=' -f2 | 
         tr -d '"')

# Installs a package using the native OS's package manager.
install_pkg() {
    case $DISTRO in
        "Ubuntu"|"Debian GNU/Linux")
            apt install -y $1
            [ $? -eq 0 ] || exit 1
            ;;
        "Arch Linux")
            pacman -Syu --noconfirm $1
            [ $? -eq 0 ] || exit 1
            ;;
    esac
}

install_compiler() {
    echo '::group::Setting up a compiler'
    case $DISTRO in
        "Ubuntu"|"Debian GNU/Linux")
            install_pkg build-essential
            [ $COMPILER = 'clang' ] && install_pkg clang

            CC=gcc
            [ $COMPILER = 'clang' ] && CC=clang
            ;;
        "Arch Linux")
            install_pkg $COMPILER make
            CC=gcc
            [ $COMPILER = 'clang' ] && CC=clang
    esac
    install_pkg git # Everyone has git!
    echo '::endgroup::'
}
install_ssl() {
    echo '::group::Setting up SSL'
    case $DISTRO in
        "Ubuntu"|"Debian GNU/Linux")
            # Doesn't seem like Debian got LibreSSL
            [ $SSL = 'libressl' ] && echo "::error:: LibreSSL is not on Debian"
            [ $SSL = 'libressl' ] && exit 1
            install_pkg openssl
            install_pkg libssl-dev
            ;;
        "Arch Linux")
            install_pkg $SSL
    esac
    echo '::endgroup::'
}

# Install the compiler and SSL
install_compiler
install_ssl

echo "compiler=$CC" >> "$GITHUB_OUTPUT"