first commit

Packages/com.singularitygroup.hotreload/Editor/ProjectGeneration/SolutionGuidGenerator.cs

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+using System;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace SingularityGroup.HotReload.Editor.ProjectGeneration
+{
+  internal static class SolutionGuidGenerator
+  {
+    public static string GuidForProject(string projectName)
+    {
+      return ComputeGuidHashFor(projectName + "salt");
+    }
+
+    public static string GuidForSolution()
+    {
+      // GUID for a C# class library: http://www.codeproject.com/Reference/720512/List-of-Visual-Studio-Project-Type-GUIDs
+      return "FAE04EC0-301F-11D3-BF4B-00C04F79EFBC";
+    }
+
+    static string ComputeGuidHashFor(string input)
+    {
+      using (var md5 = MD5.Create())
+      {
+        var hash = md5.ComputeHash(Encoding.Default.GetBytes(input));
+        return new Guid(hash).ToString();
+      }
+    }
+  }
+}