Unity3D集成TortoiseSVN

        无论是个人开发还是团队开发，养成好的版本管理习惯可以大大提高开发效率。常用的版本管理软件一般用SVN或者Git。尽管2者都在用，但是更加偏好SVN一些。安装TortoiseSVN就可以直接将SVN管理软件集成到Windows的Explorer中了。点击鼠标右键就会有SVN的相关菜单，可以非常方便地CheckOut项目以及Commit和Update。

        在使用Unity3D开发时，目前主流的代码编辑器（IDE）都会选择Virsual Studio（VS）。作为宇宙第一强大的IDE，VS自然也有SVN插件——Virsual SVN。安装后就可以在VS里面进行SVN操作了。如下图所示，一个项目如果已经纳入了版本管理，在文件前面会有标记。绿色表示同步，黄色表示不同步，红色则表示冲突。可以使用右键进行SVN操作

        但是美中不足是Unity3D里面没法快速地进行SVN操作。一般都是回到Explorer中然后进行提交，不够便捷。查看了Unity Asset Store上的SVN插件，发现大多过于复杂，或者一些操作不符合原有的操作习惯。所以对于以极简高效为原则的我来说，还不如自己写一个足够用的小工具。

        在《unity插件开发——一个例子：简单的svn集成》中，已经说明了相关方法是，通过Process.Start方法开启一个TortoiseProc.exe进程，并将参数（点击《TortoiseSVN 操作》查看所有参数）传给TortoiseProc，使之执行相关的命令。

using System;
using System.Diagnostics;
using System.IO;
using UnityEditor;
using UnityEngine;

public class SvnEditor : EditorWindow
{
    #region Setup

    private const string Svnkey = "key_svnroot";
    private const string SvnName = "TortoiseProc.exe";
    private static string s_svnpath = SvnName;

    [MenuItem("SVN/Setup", priority = 0)]
    public static void Setup()
    {
        GetWindow<SvnEditor>();
    }

    #endregion

    #region Log
    [MenuItem("Assets/SVN/", priority = 10)]
    [MenuItem("Assets/SVN/LogAll", priority = 11)]
    [MenuItem("SVN/", priority = 10)]
    [MenuItem("SVN/LogAll", priority = 11)]
    public static void SVNLogAll()
    {
        SvnCmdProject(EmSVNCmd.Log);
    }

    [MenuItem("Assets/SVN/Log", priority = 1)]
    public static void SVNLog()
    {
        SvnCmdSelect(EmSVNCmd.Log);
    }

    #endregion

    #region Update

    [MenuItem("Assets/SVN/Update", priority = 2)]
    public static void SVNUpdate()
    {
        SvnCmdSelect(EmSVNCmd.Update);
    }


    [MenuItem("Assets/SVN/UpdateAll", priority = 12)]
    [MenuItem("SVN/UpdateAll", priority = 12)]
    public static void SVNUpdateAll()
    {
        SvnCmdProject(EmSVNCmd.Update);
    }

    #endregion

    #region Commit

    [MenuItem("Assets/SVN/CommitAll", priority = 13)]
    [MenuItem("SVN/CommitAll", priority = 13)]
    public static void SVNCommitAll()
    {
        SvnCmdProject(EmSVNCmd.Commit);
    }

    [MenuItem("Assets/SVN/Commit", priority = 3)]
    public static void SVNCommit()
    {
        SvnCmdSelect(EmSVNCmd.Commit);
    }

    #endregion

    #region Revert

    [MenuItem("Assets/SVN/Revert", priority = 4)]
    public static void SVNRevert()
    {
        SvnCmdSelect(EmSVNCmd.Revert);
    }

    #endregion

    #region Clearup

    [MenuItem("Assets/SVN/ClearUpAll", priority = 5)]
    [MenuItem("SVN/ClearUpAll", priority = 15)]
    public static void SVNClearUpAll()
    {
        SvnCmdProject(EmSVNCmd.Clearup);
    }

    #endregion

    #region core

    private static void SvnCmdProject(EmSVNCmd cmd)
    {
        var path = Application.dataPath;
        var project = Directory.GetParent(path);
        ProcessStart(cmd, project.FullName);
    }

    private static void SvnCmdSelect(EmSVNCmd cmd)
    {
        var select = Selection.activeObject;
        var path = AssetDatabase.GetAssetPath(select);
        ProcessStart(cmd, path);
    }

    private static void ProcessStart(EmSVNCmd cmd, string path)
    {
#if UNITY_STANDALONE_WIN||UNITY_EDITOR_WIN
        try
        {
            var info = new ProcessStartInfo(s_svnpath)
            {
                Arguments = string.Format("/command:{0} /path:{1} /closeonend:0", cmd.ToString().ToLower(), path)
            };
            Process.Start(info);
        }
        catch (Exception)
        {
            Setup();
        }
#endif
    }

    #endregion

    internal void OnEnable()
    {
        s_svnpath = EditorPrefs.GetString(Svnkey);
    }

    internal void OnGUI()
    {
        EditorGUILayout.LabelField("设置SVN");
        EditorGUILayout.Space();

        EditorGUILayout.BeginHorizontal();
        EditorGUILayout.LabelField("SVN程序", GUILayout.Width(50));
        EditorGUILayout.SelectableLabel(s_svnpath, GUILayout.Width(200));
        if (GUILayout.Button("select"))
        {
            var path = EditorUtility.OpenFilePanel("请选择TortoiseProc.exe存储位置", "", "exe");
            if (string.IsNullOrEmpty(path))
                return;
            s_svnpath = path;
            EditorPrefs.SetString(Svnkey, s_svnpath);
        }
        if (GUILayout.Button("Clear"))
        {
            s_svnpath = SvnName;
            EditorPrefs.SetString(Svnkey, s_svnpath);
        }

        EditorGUILayout.EndHorizontal();
    }

    private enum EmSVNCmd
    {
        Log,
        Update,
        Commit,
        Revert,
        Clearup
    }
}