From c7b639be28b717122c14441fcf81f38a315d8d65 Mon Sep 17 00:00:00 2001
From: zeromus <zeromus@users.noreply.github.com>
Date: Sat, 12 Nov 2016 18:49:03 -0600
Subject: [PATCH] apply ArcadePit idea: Let user change the string in the
 emulator title bar via a file (but changed the format of the string to be
 more generally useful, and changed it to dll/custombuild.txt)

---
 BizHawk.Client.EmuHawk/MainForm.cs | 15 +++------------
 Version/VersionInfo.cs             | 27 +++++++++++++++++++++++++++
 2 files changed, 30 insertions(+), 12 deletions(-)

diff --git a/BizHawk.Client.EmuHawk/MainForm.cs b/BizHawk.Client.EmuHawk/MainForm.cs
index c64f71fbd4..adce5199a9 100644
--- a/BizHawk.Client.EmuHawk/MainForm.cs
+++ b/BizHawk.Client.EmuHawk/MainForm.cs
@@ -1385,18 +1385,6 @@ namespace BizHawk.Client.EmuHawk
 
 		#region Private methods
 
-		private static string DisplayNameForSystem(string system)
-		{
-			var str = Global.SystemInfo.DisplayName;
-
-			if (VersionInfo.DeveloperBuild)
-			{
-				str += " (interim)";
-			}
-
-			return str;
-		}
-
 		private void SetWindowText()
 		{
 			string str = string.Empty;
@@ -1414,6 +1402,9 @@ namespace BizHawk.Client.EmuHawk
 				str = str + string.Format("({0:0} fps) -", _runloopDisplayFps);
 			}
 
+			if (!string.IsNullOrEmpty(VersionInfo.CustomBuildString))
+				str += VersionInfo.CustomBuildString + " ";
+
 			if (Global.Emulator.IsNull())
 			{
 				str = str + "BizHawk" + (VersionInfo.DeveloperBuild ? " (interim) " : string.Empty);
diff --git a/Version/VersionInfo.cs b/Version/VersionInfo.cs
index 25d7e470de..ba7515f321 100644
--- a/Version/VersionInfo.cs
+++ b/Version/VersionInfo.cs
@@ -1,3 +1,6 @@
+using System;
+using System.IO;
+
 static class VersionInfo
 {
 	public const string MAINVERSION = "1.11.8"; // Use numbers only or the new version notification won't work
@@ -5,8 +8,32 @@ static class VersionInfo
 	public static readonly bool DeveloperBuild = true;
 	public static readonly string HomePage = "http://tasvideos.org/BizHawk.html";
 
+	public static readonly string CustomBuildString;
+
 	public static string GetEmuVersion()
 	{
 		return DeveloperBuild ? ("GIT " + SubWCRev.GIT_BRANCH + "#" + SubWCRev.GIT_SHORTHASH) : ("Version " + MAINVERSION);
 	}
+
+	static VersionInfo()
+	{
+		string path = Path.Combine(GetExeDirectoryAbsolute(),"dll");
+		path = Path.Combine(path,"custombuild.txt");
+		if(File.Exists(path))
+		{
+			var lines = File.ReadAllLines(path);
+			if (lines.Length > 0)
+				CustomBuildString = lines[0];
+		}
+	}
+
+	//code copied to avoid depending on code in otherp rojects
+	static string GetExeDirectoryAbsolute()
+	{
+		var path = Path.GetDirectoryName(System.Reflection.Assembly.GetEntryAssembly().Location);
+		if (path.EndsWith(Path.DirectorySeparatorChar.ToString()))
+			path = path.Remove(path.Length - 1, 1);
+
+		return path;
+	}
 }