fixes #2023

app/models/tag.rb

@@ -394,6 +394,9 @@ class Tag < ActiveRecord::Base
               q[:pool] = "none"
             elsif $2.downcase == "any"
               q[:pool] = "any"
+            elsif $2.include?("*")
+              pools = Pool.name_matches($2).all(:select => "id", :limit => Danbooru.config.tag_query_limit, :order => "post_count DESC")
+              q[:tags][:include] += pools.map!{|pool| "pool:#{pool.id}"}
             else
               q[:tags][:related] << "pool:#{Pool.name_to_id($2)}"
             end

test/unit/post_test.rb

@@ -1124,6 +1124,19 @@ class PostTest < ActiveSupport::TestCase
       assert_equal(post1.id, relation.first.id)
     end
 
+    should "return posts for the <pool> metatag with a wildcard" do
+      post1 = FactoryGirl.create(:post)
+      post2 = FactoryGirl.create(:post)
+      post3 = FactoryGirl.create(:post)
+      pool1 = FactoryGirl.create(:pool, :name => "test_a")
+      pool2 = FactoryGirl.create(:pool, :name => "test_b")
+      post1.add_pool!(pool1)
+      post3.add_pool!(pool2)
+      relation = Post.tag_match("pool:test*")
+      assert_equal(2, relation.count)
+      assert_equal([post3.id, post1.id], relation.all.map!(&:id))
+    end
+
     should "return posts for the <user> metatag" do
       second_user = FactoryGirl.create(:user)
       post1 = FactoryGirl.create(:post, :uploader => CurrentUser.user)