dotfiles/zsh/update.zsh

update-system() {

    # Ask for sudo right now
    sudoresult=$(sudo -nv 2>&1)

    if [ $? -eq 0 ]; then
        # Nothing to do
    elif echo $sudoresult | grep -q '^sudo:'; then
        echo "\033[32;1m=== Starting system update, please enter your password ===\033[0m"
        sudo true
        if [ $? -ne 0 ]; then
            echo "Could not get sudo..."
            return 1
        fi
    else
        echo "\033[33;1m=== You are not a sudoer, skipping system update... ===\033[0m"
        return 1
    fi

    echo "\033[32;1m=== Updating system ===\033[0m"
    start_system_update=`date +%s`

    # Debian based systems
    command -v apt > /dev/null 2>&1
    if [ $? -eq 0 ]; then
        sudo apt update -y
        if [ $? -eq 0 ]; then
            sudo apt upgrade -y
            if [ $? -eq 0 ]; then
                sudo apt autoremove -y
            fi
        fi
    fi

    # Archlinux based systems
    command -v yaourt > /dev/null 2>&1
    if [ $? -eq 0 ]; then
        yaourt -Syu
    else
        command -v pacman > /dev/null 2>&1

        if [ $? -eq 0 ]; then
            sudo pacman -Syu
        fi
    fi

    # Fedora based systems
    command -v dnf > /dev/null 2>&1
    if [ $? -eq 0 ]; then
        sudo dnf upgrade
    fi

    seconds=$((`date +%s` - $start_system_update ))
    formatted=`date -ud "@$seconds" +'%H hours %M minutes %S seconds'`
    echo "\033[32;1m=== System updated in $formatted ===\033[0m"
}

update-rust() {

    # Update rust if installed
    command -v rustup > /dev/null 2>&1
    if [ $? -ne 0 ]; then
        return
    fi

    start_rust_update=`date +%s`
    echo "\033[32;1m=== Updating rustup ===\033[0m"
    rustup self update

    echo "\033[32;1m=== Updating rust ===\033[0m"
    rustup update

    cargo install-update --help > /dev/null 2>&1

    if [ $? -ne 0 ]; then

        pkg-config --libs --cflags openssl > /dev/null 2>&1

        # We need to install openssl
        if [ $? -ne 0 ]; then

            # Ask for sudo right now
            sudoresult=$(sudo -nv 2>&1)

            if [ $? -eq 0 ]; then
                command -v apt > /dev/null 2>&1
                if [ $? -eq 0 ]; then
                    sudo apt install -y libssl-dev
                fi

                # For fedora
                command -v dnf > /dev/null 2>&1
                if [ $? -eq 0 ]; then
                    sudo dnf install openssl-devel
                fi
            elif echo $sudoresult | grep -q '^sudo:'; then
                echo "\033[32;1m=== libssl-dev is needed to update rust packages, please enter your password ===\033[0m"
                sudo true
                if [ $? -ne 0 ]; then
                    echo "Could not get sudo..."
                    return 1
                fi
            else
                echo "\033[33;1m=== You are not a sudoer, cannot install cargo-update... ===\033[0m"
                return 1
            fi

        fi

        echo "\033[32;1m=== Installing rust packages updater ===\033[0m"
        cargo install cargo-update
    fi

    echo "\033[32;1m=== Updating rust packages ===\033[0m"
    cargo install-update -ag

    seconds=$((`date +%s` - $start_rust_update ))
    formatted=`date -ud "@$seconds" +'%H hours %M minutes %S seconds'`
    echo "\033[32;1m=== Rust updated in $formatted ===\033[0m"

}

update-dotfiles() {
    start_dotfiles_update=`date +%s`

    current_dir=$PWD

    echo "\033[32;1m=== Updating oh-my-zsh ===\033[0m"
    cd ~/.config/oh-my-zsh && git pull

    echo "\033[32;1m=== Updating dotfiles ===\033[0m"
    cd ~/.config/dotfiles && git pull

    if [ -d ~/.config/awesome/.git ]; then
        echo "\033[32;1m=== Updating awesome config ===\033[0m"
        cd ~/.config/awesome/ && git pull
    fi

    cd $current_dir

    seconds=$((`date +%s` - $start_dotfiles_update ))
    formatted=`date -ud "@$seconds" +'%H hours %M minutes %S seconds'`
    echo "\033[32;1m=== Dotfiles updated in $formatted ===\033[0m"
}

update() {

    start=`date +%s`
    echo "\033[32;1m=== Starting update ===\033[0m"

    # Update the system
    update-system

    # Update rust and rust packages
    update-rust

    # Update the dotfiles
    update-dotfiles

    seconds=$((`date +%s` - $start ))
    formatted=`date -ud "@$seconds" +'%H hours %M minutes %S seconds'`
    echo "\033[32;1m=== Update finished in $formatted ===\033[0m"

}