?????????Xcode?????????iOS???????????????????????????????????á?XcodeGhost??????????????棬???????????????????????????Xcode??????????????????ù??????????????????????Mac App Store??????????????????Xcode????????Gatekeeper?????OS X??????????????????????????
????????????????Xcode??????????????????????????????????
????spctl --assess --verbose /Applications/Xcode.app
???????Xcode??Mac App Store??????????
????/Applications/Xcode.app: accepted
????source=Mac App Store
?????????????????????????????
????/Applications/Xcode.app: accepted
????source=Apple
??????
????/Applications/Xcode.app: accepted
????source=Apple System