Packages link.xml Extractor

using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Xml.Linq;
using UnityEditor.Build;
using UnityEditor.Build.Reporting;
using UnityEditor.PackageManager;
using UnityEngine;

public class PackagesLinkXmlExtractor : IPreprocessBuildWithReport, IPostprocessBuildWithReport
{
    public string TemporaryFolder
    {
        get { return $"{Application.dataPath}/Temporary/";}
    }

    public string LinkFilePath
    {
        get { return $"{TemporaryFolder}link.xml"; }
    }

    public int callbackOrder { get { return 0; } }

    public void OnPreprocessBuild(BuildReport report)
    {
        CreateMergedLinkFromPackages();
    }

    public void OnPostprocessBuild(BuildReport report)
    {
        if(File.Exists(LinkFilePath))
            File.Delete(LinkFilePath);
        if(!Directory.EnumerateFiles(TemporaryFolder, "*").Any())
            Directory.Delete(TemporaryFolder);
    }

    private void CreateMergedLinkFromPackages()
    {
        var request = Client.List();
        do { } while (!request.IsCompleted);
        if (request.Status == StatusCode.Success)
        {
            List<string> xmlPathList = new List<string>();
            foreach (var package in request.Result)
            {
                var path = package.resolvedPath;
                xmlPathList.AddRange(Directory.EnumerateFiles(path, "link.xml", SearchOption.AllDirectories).ToList());
            }

            if (xmlPathList.Count <= 0)
                return;

            var xmlList = xmlPathList.Select(XDocument.Load).ToArray();

            var combinedXml = xmlList.First();
            foreach (var xDocument in xmlList.Where(xml => xml != combinedXml))
            {
                combinedXml.Root.Add(xDocument.Root.Elements());
            }

            if (!Directory.Exists(TemporaryFolder))
                Directory.CreateDirectory(TemporaryFolder);
            combinedXml.Save(LinkFilePath);
        }
        else if (request.Status >= StatusCode.Failure)
        {
            Debug.LogError(request.Error.message);
        }
    }
}