Added [0] to src path for getting the first page of multipage documents. Changed…

Added [0] to src path for getting the first page of multipage documents. Changed -scale to -resize in thumbnailer.

lib/paperclip/thumbnail.rb

@@ -43,7 +43,7 @@ module Paperclip
 
       command = <<-end_command
         #{ Paperclip.path_for_command('convert') }
-        "#{ File.expand_path(src.path) }"
+        "#{ File.expand_path(src.path) }[0]"
         #{ transformation_command }
         "#{ File.expand_path(dst.path) }"
       end_command
@@ -60,7 +60,7 @@ module Paperclip
     # into the thumbnail.
     def transformation_command
       scale, crop = @current_geometry.transformation_to(@target_geometry, crop?)
-      trans = "-scale \"#{scale}\""
+      trans = "-resize \"#{scale}\""
       trans << " -crop \"#{crop}\" +repage" if crop
       trans << " #{convert_options}" if convert_options
       trans

test/thumbnail_test.rb

@@ -93,7 +93,7 @@ class ThumbnailTest < Test::Unit::TestCase
 
       should "send the right command to convert when sent #make" do
         @thumb.expects(:system).with do |arg|
-          arg.match %r{convert\s+"#{File.expand_path(@thumb.file.path)}"\s+-scale\s+\"x50\"\s+-crop\s+\"100x50\+114\+0\"\s+\+repage\s+".*?"}
+          arg.match %r{convert\s+"#{File.expand_path(@thumb.file.path)}\[0\]"\s+-resize\s+\"x50\"\s+-crop\s+\"100x50\+114\+0\"\s+\+repage\s+".*?"}
         end
         @thumb.make
       end