Remove duplicate provisioning profiles from MobileDevice

remove_duplicate_profiles.swift

#!/usr/bin/env xcrun swift

// Remove duplicated provisioning profiles in ~/Library/MobileDevice/Provisioning Profiles
// The most recently created profile is kept
// Usage: xcrun swift remove_duplicate_profiles.swift

import Foundation
import Security

let profilesURL = NSURL.fileURLWithPath(("~/Library/MobileDevice/Provisioning Profiles" as NSString).stringByExpandingTildeInPath);
var files = try NSFileManager.defaultManager().contentsOfDirectoryAtURL(profilesURL, includingPropertiesForKeys: nil, options: NSDirectoryEnumerationOptions());

files = files.filter({$0.pathExtension == "mobileprovision" || $0.pathExtension == "provisionprofile"});

var datesForProfiles: Dictionary<String, NSDate> = Dictionary();
var URLsForProfiles: Dictionary<String, NSURL> = Dictionary();

// Go through all the provisioning profiles and figure out which ones are the most recently created
for nextFile in files {
    let data = NSData.init(contentsOfURL: nextFile);
    var decoder: CMSDecoder?;
    var decodedData: CFData?;

    CMSDecoderCreate(&decoder);
    CMSDecoderUpdateMessage(decoder!, data!.bytes, data!.length);
    CMSDecoderFinalizeMessage(decoder!);
    CMSDecoderCopyContent(decoder!, &decodedData);

    if let plistData = decodedData {
        let propertyList = try NSPropertyListSerialization.propertyListWithData(plistData, options: NSPropertyListReadOptions(), format: nil);
        let profileName = propertyList["Name"] as! String;
        let creationDate = propertyList["CreationDate"] as? NSDate;
        let existingCreationDate = datesForProfiles[profileName];

        if existingCreationDate == nil || creationDate?.compare(existingCreationDate!) == NSComparisonResult.OrderedDescending {
            datesForProfiles[profileName] = creationDate;
            URLsForProfiles[profileName] = nextFile;
        }
    }
}

// Intersect the most recent profiles and all the profiles and move the remaining profiles to the trash
let profilesToKeep = Set(URLsForProfiles.values);
let profilesToRemove = Set(files).subtract(profilesToKeep);

for nextProfileToRemove in profilesToRemove {
    print("Removing old profile: \(nextProfileToRemove.lastPathComponent!)");

    do {
        try NSFileManager.defaultManager().removeItemAtURL(nextProfileToRemove)
    } catch let error as NSError {
        print("Error removing item: \(error)");
    }
}