MAC下安装或更新brew的sh

#!/bin/bash
echo "========================================"
ZPROFILE=~/.zprofile
[[ -f $ZPROFILE ]] && source $ZPROFILE
if ! command -v brew &> /dev/null; then
    echo "安装(brew)"
    /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
    if [ "$(uname -m)" = "arm64" ]; then
        if ! grep -q '/opt/homebrew/bin/brew shellenv' "$ZPROFILE"; then
            echo 'eval "$(/opt/homebrew/bin/brew shellenv)"' >> $ZPROFILE
            source $ZPROFILE
        fi
    fi
else
    echo "更新(brew)"
    brew update
    brew list
    echo "----------------------------------------"
    echo "开始检查可选更新"
    brew outdated
    echo "----------------------------------------"
fi
echo "已经安装: $(brew --version)"
brew info
echo "========================================"
exit 0