Parse a list of dependencies out of a folder containing .csproj files

GetPackagesAndVersionsFromCsproj.cs

static async Task GetDependencies()
{
    var root = Path.Combine(Directory.GetCurrentDirectory(), "Projects");
    var files = Directory.EnumerateFiles(root, "*.csproj", SearchOption.AllDirectories);
    var packages = new List<string>();
    var mapFile = Path.Combine(Directory.GetCurrentDirectory(), "projectPackageMap.tsv");
    File.Delete(mapFile);
    // if (File.Exists(mapFile)) File.Delete(mapFile);
    foreach (var file in files)
    {
        var path = file.Split("/Projects/")[1];
        var projectName = path.Split("/")[0];
        var doc = XDocument.Load(file).Descendants("PackageReference");
        foreach (var packageReference in doc)
        {
            var includeAttr = packageReference.Attributes()
                .SingleOrDefault(a => Matches(a, "include"));
            if (includeAttr == null) {
                // Some PackageReference nodes don't have an 'Include' attribute
                Console.WriteLine(path);
                continue;
            };
            var versionAttr = packageReference.Attributes()
                .Single(a => Matches(a, "version"));
            var package = includeAttr.Value;
            var version = versionAttr.Value;
            File.AppendAllText(mapFile, $"{projectName}\t{path}\t{package}\t{version}\n");
            var packageKey = $"{package}\t{version}";
            if (!packages.Contains(packageKey)) {
                packages.Add(packageKey);
            }
        }
    }
    packages.Sort();
    var packagesFile = Path.Combine(Directory.GetCurrentDirectory(), "packages.tsv");
    File.WriteAllLines(packagesFile, packages);
}

public static bool Matches(XAttribute attribute, string nameToMatch) {
    return attribute.Name.LocalName.Equals(nameToMatch, StringComparison.InvariantCultureIgnoreCase);
}