Xcode project file plist linter

pbxproj-lint.swift

#!/usr/bin/env swift

// Swift 3.0

import Foundation

func main() -> Int32 {
    if CommandLine.arguments.count < 2 {
        print("")
        print("Usage: \(CommandLine.arguments[0]) (path_to_pbxproj | path_to_xcodeproj)")
        print("")
        print("  Tries to deserialize a pbxproj and report any errors in doing so.")
        print("  Can be helpful after an attempted git merge.")
        print("")
        return 1
    }

    let inputPath = CommandLine.arguments[1]
    var url = URL(fileURLWithPath: inputPath)
    if url.pathExtension == "xcodeproj" {
        url = url.appendingPathComponent("project.pbxproj")
    }

    guard let stream = InputStream(url: url) else { fatalError("Could not open \(url)") }
    stream.open()

    do {
        try PropertyListSerialization.propertyList(with: stream, options: [], format: nil)
        return 0
    } catch let error as NSError {
        if
            let underlyingError = error.userInfo["kCFPropertyListOldStyleParsingError"] as? NSError,
            let debugDescription = underlyingError.userInfo["NSDebugDescription"] as? String
        {
            print(debugDescription)
        }
        else {
            print(error)
        }
    
        return 1
    }
}

exit(main())

Swift version of http://stackoverflow.com/a/10560271/1063051

Made after running into CocoaPods/CocoaPods#5311 (real unhelpful error btw)