unity-git-getrevision.cs

public static int GetRevision()
{
    var p = new Process { StartInfo = new ProcessStartInfo
    {
        FileName = "git",
        Arguments = "rev-list HEAD --count",
        RedirectStandardInput = true,
        RedirectStandardOutput = true,
        RedirectStandardError = true,
        CreateNoWindow = true,
        StandardOutputEncoding = Encoding.Default,
        StandardErrorEncoding = Encoding.Default,
        UseShellExecute = false
    } };

    var revision = 0;

    try
    {
        p.Start();

        var output = p.StandardOutput.ReadToEnd();
        var error = p.StandardError.ReadToEnd();

        p.WaitForExit();

        if (!string.IsNullOrEmpty(output) && string.IsNullOrEmpty(error))
        {
            var separator = new[] { "\r", "\n" };
            var lines = output.Split(separator, StringSplitOptions.RemoveEmptyEntries);
            revision = (from r in lines select int.Parse(r)).First();
        }
        else
        {
            throw new Exception(error);
        }
    }
    catch (Exception e)
    {
        EditorUtility.DisplayDialog("Error", string.Format("Revision 정보를 확인할 수 없습니다.\n\n{0}", e), "확인");
    }

    return revision;
}