using System.Diagnostics;

public class GitUtility
{
    /// <summary>
    /// 获取环境git.ext的环境变量路径
    /// </summary>
    private static string strEnvironmentVariable
    {
        get
        {
            string strPath = System.Environment.GetEnvironmentVariable("Path");
            if (string.IsNullOrEmpty(strPath))
            {
                Console.WriteLine(">>>>>strEnvironmentVariable: enviromentVariable is not config!!!!");
                return null;
            }

            string[] strResults = strPath.Split(';');
            for (int i = 0; i < strResults.Length; i++)
            {
                if (!strResults[i].Contains(@"Git\cmd"))
                    continue;

                strPath = strResults[i];
            }

            return strPath;
        }
    }

    /// <summary>
    /// 
    /// git工作路径
    /// </summary>
    private static string m_strWorkingDir;
    public static string strWorkingDir
    {
        get { return m_strWorkingDir; }
        set { m_strWorkingDir = value; }
    }


    /// <summary>
    /// 执行git指令
    /// </summary>
    public static void ExcuteGitCommand(string strCommnad, DataReceivedEventHandler call)
    {
        string strGitPath = System.IO.Path.Combine(strEnvironmentVariable, "git.exe");
        if (string.IsNullOrEmpty(strGitPath))
        {
            Console.WriteLine(">>>>>strEnvironmentVariable: enviromentVariable is not config!!!!");
            return;
        }

        Process p = new Process();
        p.StartInfo.FileName = strGitPath;
        p.StartInfo.Arguments = strCommnad;
        p.StartInfo.CreateNoWindow = true;
        p.StartInfo.UseShellExecute = false;
        p.StartInfo.RedirectStandardOutput = true;
        p.StartInfo.WorkingDirectory = strWorkingDir;

        p.OutputDataReceived += call;
        p.OutputDataReceived -= OnOutputDataReceived;
        p.OutputDataReceived += OnOutputDataReceived;

        p.Start();
        p.BeginOutputReadLine();
        p.WaitForExit();
    }

    /// <summary>
    /// 输出git指令执行结果
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    private static void OnOutputDataReceived(object sender, DataReceivedEventArgs e)
    {
        if (null == e || string.IsNullOrEmpty(e.Data))
        {
            //Console.WriteLine("[Git]"+ e.Data);
            return;
        }

        Console.WriteLine("[Git]" + e.Data);
    }
}