download-latest-xcode.sh

#!/bin/bash

check_cmd() {
    if ! command -v $1 > /dev/null
    then
        echo "<$1> could not be found"
        if ! command -v brew > /dev/null
        then
            echo "<brew> could not be found"
            echo "Please install Homebrew first"
            exit 1
        else 
            if [ $1 == "xcodes" ]
            then
                brew install robotsandpencils/made/xcodes
            else
                brew install $1
            fi
        fi
    fi
}

check_cmd xcodes
check_cmd aria2c

version=$(curl https://xcodereleases.com/data.json | jq '.[0].version.number' | sed 's/"//g')
echo $version
if ls ~/Downloads/ | egrep "Xcode-.*$version.*xip";then
    echo "已存在"
else
    echo "不存在，尝试下载"
    xcodes download $version
fi