fix build number and force publish package.

build.cake

@@ -97,7 +97,7 @@ Task("Pack")
 });
 
 Task("Push")
-    .WithCriteria<Parameters>((context, parameters) => parameters.PushNuGet)
+    //.WithCriteria<Parameters>((context, parameters) => parameters.PushNuGet)
     .Does<Parameters>(parameters => 
 {
     var apiKey = EnvironmentVariable(parameters.IsNugetRelease ? "NUGET_API_KEY" : "MYGET_API_KEY");

parameters.cake

@@ -21,7 +21,7 @@ public class Parameters
         VersionSuffix = context.Argument("suffix", default(string));
         if (VersionSuffix == null)
         {
-            var build = context.EnvironmentVariable("AZURE_BUILD_VERSION");
+            var build = context.EnvironmentVariable("Build.BuildNumber");
             VersionSuffix = build != null ? $"-build{build}" : "";
         }