More consistent method naming.

app/services/git_push_service.rb

@@ -53,7 +53,8 @@ class GitPushService
         process_commit_messages(ref)
       end
 
-      @push_data = post_receive_data(oldrev, newrev, ref)
+      @push_data = build_push_data(oldrev, newrev, ref)
+
       EventCreateService.new.push(project, user, @push_data)
       project.execute_hooks(@push_data.dup, :push_hooks)
       project.execute_services(@push_data.dup, :push_hooks)
@@ -101,7 +102,7 @@ class GitPushService
     end
   end
 
-  def post_receive_data(oldrev, newrev, ref)
+  def build_push_data(oldrev, newrev, ref)
     Gitlab::PushDataBuilder.
       build(project, user, oldrev, newrev, ref, push_commits)
   end

app/services/git_tag_push_service.rb

@@ -3,19 +3,21 @@ class GitTagPushService
 
   def execute(project, user, oldrev, newrev, ref)
     @project, @user = project, user
-    @push_data = create_push_data(oldrev, newrev, ref)
+    
+    @push_data = build_push_data(oldrev, newrev, ref)
 
     EventCreateService.new.push(project, user, @push_data)
-    project.repository.expire_cache
     project.execute_hooks(@push_data.dup, :tag_push_hooks)
     project.execute_services(@push_data.dup, :tag_push_hooks)
 
+    project.repository.expire_cache
+
     true
   end
 
   private
 
-  def create_push_data(oldrev, newrev, ref)
+  def build_push_data(oldrev, newrev, ref)
     Gitlab::PushDataBuilder.build(project, user, oldrev, newrev, ref, [])
   end
 end