Fix for regeneration task

app/uploaders/cover_uploader.rb

@@ -29,4 +29,26 @@ class CoverUploader < CarrierWave::Uploader::Base
 		image['width'] > image['height']
 	end
 
+	def manipulate!
+		cache_stored_file! if !cached?
+		image = ::MiniMagick::Image.open(current_path)
+
+		begin
+			image.format(@format.to_s.downcase) if @format
+			image = yield(image)
+			image.write(current_path)
+			begin
+				image.run_command("identify", current_path)
+			rescue
+				image.run_command("identify", '"' + current_path + '"')
+			end
+		ensure
+			image.destroy!
+		end
+	rescue ::MiniMagick::Error, ::MiniMagick::Invalid => e
+		default = I18n.translate(:"errors.messages.mini_magick_processing_error", :e => e, :locale => :en)
+		message = I18n.translate(:"errors.messages.mini_magick_processing_error", :e => e, :default => default)
+		raise CarrierWave::ProcessingError, message
+	end
+
 end

app/uploaders/poster_uploader.rb

@@ -47,7 +47,11 @@ class PosterUploader < CarrierWave::Uploader::Base
 			image.format(@format.to_s.downcase) if @format
 			image = yield(image)
 			image.write(current_path)
-			image.run_command("identify", Gem.win_platform? ? '"' + current_path + '"' : current_path)
+			begin
+				image.run_command("identify", current_path)
+			rescue
+				image.run_command("identify", '"' + current_path + '"')
+			end
 		ensure
 			image.destroy!
 		end

lib/tasks/regenerate.rake

@@ -3,11 +3,8 @@ namespace :regenerate do
 
 	task conference_posters: :environment do
         Conference.all.each { |m|
-            #puts m.title
-            #puts m.poster
             m.poster.recreate_versions!
         }
-        #puts Conference.all.to_json.to_s
 	end
 
 	task organization_avatars: :environment do