Auto Increment Version (Unity 3D 2019)

AutoVersion.cs

#if UNITY_EDITOR
using UnityEditor;
using UnityEditor.Build;
using UnityEditor.Build.Reporting;
using UnityEngine;

public class AutoVersion : IPreprocessBuildWithReport
{
	public int callbackOrder
	{
		get { return 0; }
	}

	public void OnPreprocessBuild(BuildReport report)
	{
		IncreaseBuildNumbers();
	}

	private void IncreaseBuildNumbers()
	{
		try
		{
			//Example : current BuildVersion 1.9.9
			// after build process new Build Version is 2.0.1
			
			string[] bundleVersionSplit = PlayerSettings.bundleVersion.Split('.');

			var n1 = int.Parse(bundleVersionSplit[0]);
			var n2 = int.Parse(bundleVersionSplit[1]);
			var n3 = int.Parse(bundleVersionSplit[2]);

			if (n2 == 9)
			{
				n2 = 0;
				n1 += 1;
			}

			if (n3 == 9)
			{
				n3 = 0;
				n2 = 0;
			}

			n3 += 1;
			
			var buildVersion = n1 + "." + n2 + "." + n3;
			var buildNumber = int.Parse(PlayerSettings.macOS.buildNumber) + 1;

			PlayerSettings.bundleVersion = buildVersion;
			PlayerSettings.macOS.buildNumber = buildNumber.ToString();

			Debug.Log("Build Version : " + buildVersion);
			Debug.Log("Build Number : " + buildNumber);
		}
		catch (System.Exception ex)
		{
			Debug.LogException(ex);
		}
	}
}
#endif

gistfile1.txt

#if UNITY_EDITOR
using UnityEditor;
using UnityEditor.Build;
using UnityEditor.Build.Reporting;
using UnityEngine;

public class AutoVersion : IPreprocessBuildWithReport
{
	public int callbackOrder
	{
		get { return 0; }
	}

	public void OnPreprocessBuild(BuildReport report)
	{
		IncreaseBuildNumbers();
	}

	private void IncreaseBuildNumbers()
	{
		try
		{
			//Example : current BuildVersion 1.9.9
			// after build process new Build Version is 2.0.1
			
			string[] bundleVersionSplit = PlayerSettings.bundleVersion.Split('.');

			var n1 = int.Parse(bundleVersionSplit[0]);
			var n2 = int.Parse(bundleVersionSplit[1]);
			var n3 = int.Parse(bundleVersionSplit[2]);

			if (n2 == 9)
			{
				n2 = 0;
				n1 += 1;
			}

			if (n3 == 9)
			{
				n3 = 0;
				n2 = 0;
			}

			n3 += 1;
			
			var buildVersion = n1 + "." + n2 + "." + n3;
			var buildNumber = int.Parse(PlayerSettings.macOS.buildNumber) + 1;

			PlayerSettings.bundleVersion = buildVersion;
			PlayerSettings.macOS.buildNumber = buildNumber.ToString();

			Debug.Log("Build Version : " + buildVersion);
			Debug.Log("Build Number : " + buildNumber);
		}
		catch (System.Exception ex)
		{
			Debug.LogException(ex);
		}
	}
}
#endif