don't needlessly retrieve directory and contents from fog provider. create the…

don't needlessly retrieve directory and contents from fog provider. create the directory only when it's needed.

lib/paperclip/storage/fog.rb

@@ -35,11 +35,19 @@ module Paperclip
       def flush_writes
         for style, file in @queued_for_write do
           log("saving #{path(style)}")
-          directory.files.create(@fog_file.merge(
-            :body   => file,
-            :key    => path(style),
-            :public => @fog_public
-          ))
+          retried = false
+          begin
+            directory.files.create(@fog_file.merge(
+              :body   => file,
+              :key    => path(style),
+              :public => @fog_public
+            ))
+          rescue Excon::Errors::NotFound
+            raise if retried
+            retried = true
+            directory.save
+            retry
+          end
         end
         @queued_for_write = {}
       end
@@ -85,12 +93,7 @@ module Paperclip
       end
 
       def directory
-        @directory ||= begin
-          connection.directories.get(@fog_directory) || connection.directories.create(
-            :key => @fog_directory,
-            :public => @fog_public
-          )
-        end
+        @directory ||= connection.directories.new(:key => @fog_directory)
       end
 
     end

test/fog_test.rb

@@ -16,6 +16,9 @@ class FogTest < Test::Unit::TestCase
       }
 
       @connection = Fog::Storage.new(@credentials)
+      @connection.directories.create(
+        :key => @fog_directory
+      )
 
       @options = {
         :fog_directory    => @fog_directory,
@@ -49,16 +52,17 @@ class FogTest < Test::Unit::TestCase
       end
 
       context "without a bucket" do
-        should "succeed" do
+        setup do
+          @connection.directories.get(@fog_directory).destroy
+        end
+
+        should "create the bucket" do
           assert @dummy.save
+          assert @connection.directories.get(@fog_directory)
         end
       end
 
       context "with a bucket" do
-        setup do
-          @connection.directories.create(:key => @fog_directory)
-        end
-
         should "succeed" do
           assert @dummy.save
         end