Will update, sort, simplify and install paket dependencies in a repo

PaketSort

void Main()
{
	Run(@"C:\My\Repo\Root");
}

void Run(string rootDir)
{
	Console.WriteLine($"Starting at {DateTime.UtcNow.ToString("u")}");
	Console.WriteLine($"Running against: {rootDir}");
	RunPaketCommand(rootDir, "update");
	SortReferences(rootDir);
	SortDependencies(rootDir);
	RunPaketCommand(rootDir, "simplify");
	RunPaketCommand(rootDir, "install");
	Console.WriteLine($"Done at {DateTime.UtcNow.ToString("u")}");
}

void RunPaketCommand(string rootDir, string command)
{
	Console.WriteLine($"Running paket command: {command}");
	var paketProcess = new ProcessStartInfo(Path.Combine(rootDir, ".paket", "paket.exe"), command)
	{
		WorkingDirectory = rootDir,
		UseShellExecute = false,
		RedirectStandardOutput = true,
		RedirectStandardError = true,
		CreateNoWindow = true
	};

	var process = Process.Start(paketProcess);
	while (!process.StandardOutput.EndOfStream)
	{
		Console.WriteLine(process.StandardOutput.ReadLine());
	}
}

void SortReferences(string rootDir)
{
	foreach (var file in Directory.GetFiles(rootDir, "paket.references", SearchOption.AllDirectories))
	{
		Console.WriteLine($"Sorting reference file: {file}");
		var content = File.ReadAllLines(file);

		var newContent = new List<string>();
		var nugetBlock = new List<string>();
		var onNuget = false;
		var previousLineBreak = false;

		foreach (var line in content)
		{
			if (line.Trim().StartsWith("group"))
			{
				onNuget = false;
			}
			else if (!string.IsNullOrWhiteSpace(line))
			{
				onNuget = true;
				previousLineBreak = false;
			}
			else
			{
				previousLineBreak = true;
			}

			if (onNuget && !string.IsNullOrWhiteSpace(line))
			{
				nugetBlock.Add(line);
			}

			if (!onNuget)
			{
				if (nugetBlock.Any())
				{
					newContent.AddRange(nugetBlock.OrderBy(x => x));
					nugetBlock.Clear();
				}

				if (previousLineBreak)
				{
					newContent.Add("");
					previousLineBreak = false;
				}

				if (!string.IsNullOrWhiteSpace(line))
				{
					newContent.Add(line);
				}
			}
		}

		if (nugetBlock.Any())
		{
			newContent.AddRange(nugetBlock.OrderBy(x => x));
		}

		File.WriteAllLines(file, newContent);
	}
}

void SortDependencies(string rootDir)
{
	foreach (var file in Directory.GetFiles(rootDir, "paket.dependencies", SearchOption.AllDirectories))
	{
		Console.WriteLine($"Sorting dependencies file: {file}");
		var content = File.ReadAllLines(file);

		var newContent = new List<string>();
		var nugetBlock = new List<string>();
		var onNuget = false;
		var previousLineBreak = false;

		foreach (var line in content)
		{
			if (line.Trim().StartsWith("nuget"))
			{
				onNuget = true;
				previousLineBreak = false;
			}
			else if (!string.IsNullOrWhiteSpace(line))
			{
				onNuget = false;
			}
			else
			{
				previousLineBreak = true;
			}

			if (onNuget && !string.IsNullOrWhiteSpace(line))
			{
				nugetBlock.Add(line);
			}

			if (!onNuget)
			{
				if (nugetBlock.Any())
				{
					newContent.AddRange(nugetBlock.OrderBy(x => x));
					nugetBlock.Clear();
				}

				if (previousLineBreak)
				{
					newContent.Add("");
					previousLineBreak = false;
				}

				if (!string.IsNullOrWhiteSpace(line))
				{
					newContent.Add(line);
				}
			}
		}

		if (nugetBlock.Any())
		{
			newContent.AddRange(nugetBlock.OrderBy(x => x));
		}

		File.WriteAllLines(file, newContent);
	}
}