if ! command -v brew > /dev/null; then
    if [ -d /home/linuxbrew/.linuxbrew/bin ]; then
        logg info "Sourcing from /home/linuxbrew/.linuxbrew/bin/brew" && eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)"
        if ! command -v brew > /dev/null; then
            logg error "The /home/linuxbrew/.linuxbrew directory exists but something is not right. Try removing it and running the script again." && exit 1
        fi
    else
        ### Installs Homebrew and addresses a couple potential issues
        if command -v sudo > /dev/null && sudo -n true; then
            logg info "Installing Homebrew"
            echo | /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
        else
            logg info "Homebrew is not installed. The script will attempt to install Homebrew and you might be prompted for your password."
            /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)" || BREW_EXIT_CODE="$?"
            if [ -n "$BREW_EXIT_CODE" ]; then
                if command -v brew > /dev/null; then
                    logg warn "Homebrew was installed but part of the installation failed. Trying a few things to fix the installation.."
                    BREW_DIRS="share/man share/doc share/zsh/site-functions etc/bash_completion.d"
                    for BREW_DIR in $BREW_DIRS; do
                        if [ -d "$(brew --prefix)/$BREW_DIR" ]; then
                            logg info "Chowning $(brew --prefix)/$BREW_DIR" && sudo chown -R "$(whoami)" "$(brew --prefix)/$BREW_DIR"
                        fi
                    done
                    logg info "Running brew update --force --quiet" && brew update --force --quiet && logg success "Successfully ran brew update --force --quiet"
                fi
            fi
        fi

        ### Ensures the `brew` binary is available on Linux machines. macOS installs `brew` into the default `PATH`
        # so nothing needs to be done for macOS.
        if [ -d /home/linuxbrew/.linuxbrew/bin ]; then
            logg info "Sourcing shellenv from /home/linuxbrew/.linuxbrew/bin/brew" && eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)"
        elif [ -f /opt/homebrew/bin/brew ]; then
            logg info "Sourcing shellenv from /opt/homebrew/bin/brew" && eval "$(/opt/homebrew/bin/brew shellenv)"
        fi
    fi
fi

if command -v brew > /dev/null; then
    if ! brew list | grep gcc > /dev/null; then
        logg info "Installing Homebrew gcc" && brew install gcc
    fi
else
    logg error "Failed to initialize Homebrew" && exit 2
fi