Set AssemblyVersion to major version (#531)

Addins are backwards compatible to latest major version.
Since we are using project references, we need to fix assembly version to the latest
major version to avoid requiring exact minor versions at runtime.

recipe.cake

@@ -31,6 +31,22 @@ ToolSettings.SetToolSettings(
     testCoverageExcludeByAttribute: "*.ExcludeFromCodeCoverage*",
     testCoverageExcludeByFile: "*/*Designer.cs;*/*.g.cs;*/*.g.i.cs");
 
+//*************************************************************************************************
+// Setup
+//*************************************************************************************************
+
+Setup(context =>
+{
+    // Addins are backwards compatible to latest major version.
+    // Since we are using project references, we need to fix assembly version to the latest
+    // major version to avoid requiring exact minor versions at runtime.
+    var settings = context.Data.Get<DotNetCoreMSBuildSettings>();
+    var version = new Version(settings.Properties["AssemblyVersion"].First());
+    settings.Properties["AssemblyVersion"] = new List<string> { $"{version.Major}.0.0.0" };
+
+    context.Log.Information("AssemblyVersion changed to {0}", settings.Properties["AssemblyVersion"].First());
+});
+
 //*************************************************************************************************
 // Execution
 //*************************************************************************************************