Unity: Prepare Files for Version Control

Misc.cs

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using UnityEditor;
using UnityEngine;

public static class Misc {
	
	[MenuItem("Misc/Prepare Commit")]
	static void PrepareCommit() {
		Debug.Log ("Preparing Commit");

		// make sure all of unity's changes are saved to disk first
		EditorApplication.SaveScene();
		AssetDatabase.SaveAssets();
		
		// go through all scenes (ignoring samples), sorting YAML records
		var allScenes = Directory.GetFiles("Assets", "*.unity", SearchOption.AllDirectories);
		foreach(var path in allScenes) {
			SortYAMLRecords("Scene", path);
		}
		
		var allPrefabs = Directory.GetFiles("Assets", "*.prefab", SearchOption.AllDirectories);
		foreach(var path in allPrefabs) {
			SortYAMLRecords("Prefab", path);
		}
	}
	
	static void SortYAMLRecords(string typeName, string path) {
		Debug.Log (string.Format ("Sorting {0}: {1}", typeName, path));
		
		// read in header and records
		var header = "";
		var records = new List<String>();
		using(var reader = File.OpenText(path)) {
			// first read header
			var builder = new StringBuilder();
			string line;
			while((line = reader.ReadLine()) != null && !BeginningOfRecord(line)) {
				builder.AppendLine(line);
			}
			header = builder.ToString();
			builder.Length = 0;
			
			// then read records
			builder.AppendLine(line);
			while((line = reader.ReadLine()) != null) {
				if (BeginningOfRecord(line)) {
					records.Add(builder.ToString());
					builder.Length = 0;
				}
				builder.AppendLine(line);
			}
			if (builder.Length > 0) {
				records.Add(builder.ToString());
			}
		}
		
		// write out header and sorted-records
		records.Sort();
		using(var writer = new StreamWriter(path)) {
			writer.Write (header);
			foreach(var record in records) {
				writer.Write(record);
			}
		}
		
		
	}
	
	static bool BeginningOfRecord(string s) { 
		return s.StartsWith("--- ");
	}
	
	
	
		
}