Installing Realm No version of Xcode……

Installing Realm (2.4.3)

[!] /bin/bash -c

set -e

sh build.sh cocoapods-setup

./scripts/swift-version.sh: line 59: [: =: unary operator expected

No version of Xcode found that supports Swift 2.2

解决办法

went to - xcode >> preferences >> locations >> CommandLineTools

and selected the commandLineTools for the latest Version(xcode 8).（切换到当前Xcode版本）