update

#!/usr/bin/env bash

# Simple bash script to update macOS and utilities.
# Usage: "update os" or "update tools" or "update os tools" or "update"
# Updated: November 2020 (Reviewed: February 2025)

macOS_updater() {
    printf "\n\e[32m[+]\e[0m Starting macOS Update...\n"
    printf "Warning: This will restart your system. Continue? (y/N) "
    read -r response
    [[ "$response" =~ ^[Yy]$ ]] || { printf "\t\e[31m[✘]\e[0m Update aborted\n"; exit 1; }
    sudo softwareupdate --all --install --force --verbose --restart || {
        printf "\t\e[31m[✘]\e[0m macOS update failed\n"; exit 1;
    }
    printf "\n\n"
}

utils_runner() {
    trap 'printf "\t\e[31m[✘]\e[0m Caught Signal\n"; exit 1' SIGINT SIGTERM SIGTSTP
    if [ "$SYSTEM" == "Darwin" ]; then
        command -v mas >/dev/null || { printf "\t\e[31m[✘]\e[0m mas not installed\n"; exit 1; }
        command -v brew >/dev/null || { printf "\t\e[31m[✘]\e[0m brew not installed\n"; exit 1; }
        printf "\n\e[32m[+]\e[0m Starting Mac App Store Apps update...\n"
        /usr/local/bin/mas upgrade || { printf "\t\e[31m[✘]\e[0m mas upgrade failed\n"; exit 1; }
        printf "\n\e[32m[+]\e[0m Starting Brew Update...\n"
        /usr/local/bin/brew update || { printf "\t\e[31m[✘]\e[0m brew update failed\n"; exit 1; }
        /usr/local/bin/brew upgrade --cask || { printf "\t\e[31m[✘]\e[0m brew cask upgrade failed\n"; exit 1; }
        /usr/local/bin/brew upgrade || { printf "\t\e[31m[✘]\e[0m brew upgrade failed\n"; exit 1; }
    elif [ "$SYSTEM" == "Linux" ]; then
        command -v brew >/dev/null || { printf "\t\e[31m[✘]\e[0m brew not installed\n"; exit 1; }
        printf "\n\e[32m[+]\e[0m Starting Brew packages update...\n"
        "$HOME/.linuxbrew/bin/brew" update || { printf "\t\e[31m[✘]\e[0m brew update failed\n"; exit 1; }
        "$HOME/.linuxbrew/bin/brew" upgrade || { printf "\t\e[31m[✘]\e[0m brew upgrade failed\n"; exit 1; }
    fi
    printf "\n\e[32m[✔]\e[0m Utils update completed successfully!\n"
    return 0
}

main() {
    local SYSTEM cmd
    SYSTEM=$(uname -s)
    cmd=$(basename "$0")
    if [ "$#" -gt 2 ]; then
        printf "\t\e[31m[✘]\e[0m Too many arguments!\n"
        exit 1
    elif [ "$#" -eq 0 ]; then
        utils_runner; exit 0
    elif [ "$#" -eq 1 ]; then
        if [ "$1" == "os" ]; then
            if [ "$SYSTEM" == "Darwin" ]; then
                macOS_updater; exit 0
            elif [ "$SYSTEM" == "Linux" ]; then
                ( sudo apt update && sudo apt upgrade -y ) || { printf "\t\e[31m[✘]\e[0m apt update failed\n"; exit 1; }
                exit 0
            fi
        elif [ "$1" == "tools" ]; then
            utils_runner; exit 0
        else
            printf "\t\e[31m[✘]\e[0m Wrong option! Usage: '%s os' or '%s tools' or '%s os tools' or '%s'\n" "$cmd" "$cmd" "$cmd" "$cmd"
            exit 2
        fi
    elif [ "$#" -eq 2 ]; then
        if [ "$1" == "os" ] && [ "$2" == "tools" ]; then
            macOS_updater && utils_runner; exit 0
        else
            printf "\t\e[31m[✘]\e[0m Wrong option! Usage: '%s os' or '%s tools' or '%s os tools' or '%s'\n" "$cmd" "$cmd" "$cmd" "$cmd"
            exit 3
        fi
    fi
}

### MAIN:
[[ -n $BASH_VERSION ]] || { echo "This script requires Bash"; exit 1; }
main "$@"