Install Xcode from the command line

gistfile1.txt

#!/bin/sh
echo "==========================="
echo "Installing required tools"
echo "==========================="
echo "Checking the current version of XCode"
xcode_version=$(xcodebuild -version)
echo $xcode_version

if [[ ${xcode_version} != *"$XCODE_REQUIRED_VERSION"* ]];then
    echo "Build requires Xcode version $XCODE_REQUIRED_VERSION - upgrading now"

    echo "Removing old versions of XCode"
    sudo rm -rf /Applications/Xcode*.app
    sudo rm -rf /Library/Developer/CommandLineTools

    echo "Installing XCode $XCODE_REQUIRED_VERSION"
    aws s3 cp "s3://$BUILD_BUCKET/$XCODE_INSTALLER_PATH" xcode.xip --no-progress
    xip --expand xcode.xip 
    sudo cp -Rf Xcode.app /Applications

    sudo installer -pkg /Applications/Xcode.app/Contents/Resources/Packages/XcodeSystemResources.pkg -target /
    sudo installer -pkg /Applications/Xcode.app/Contents/Resources/Packages/CoreTypes.pkg -target /
    sudo installer -pkg /Applications/Xcode.app/Contents/Resources/Packages/MobileDevice.pkg -target /
    sudo installer -pkg /Applications/Xcode.app/Contents/Resources/Packages/MobileDeviceDevelopment.pkg -target /

    echo "Installing XCode Command Line Tools"
    aws s3 cp "s3://$BUILD_BUCKET/$XCODE_TOOLS_INSTALLER_PATH" xcode-cli.dmg --no-progress
    hdiutil mount ./xcode-cli.dmg 
    sudo installer -pkg /Volumes/Command\ Line\ Developer\ Tools/Command\ Line\ Tools.pkg -target / 
    hdiutil unmount /Volumes/Command\ Line\ Developer\ Tools/


    echo "Accepting the XCode license"
    sudo xcodebuild -license accept 

    echo "Ensure XCode is set to the latest installed version"
    sudo xcode-select -r
    sudo xcode-select --switch /Applications/Xcode.app/Contents/Developer
    sudo xcode-select -p
    
    echo "Download the iOS Platform"
    sudo xcodebuild -downloadPlatform iOS

    echo "Verifying the updated version of XCode"
    xcodebuild -version
fi