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@@ -29,6 +29,7 @@
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     @branch = :master
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     @icon_queue = NSOperationQueue.alloc.init
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     @icon_url_map = {}
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+    @standardimage = NSImage.alloc.initWithContentsOfURL(NSURL.URLWithString('http://www.gravatar.com/avatar.php?gravatar_id=60c7cd44e236c918cb682e2asdfs7f4f&size=36')).TIFFRepresentation
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     @icons = Hash.new do |hash, email|
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       url = gravatar_url(email)
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       @icon_url_map[url] = email
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@@ -122,6 +123,7 @@
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   end
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   def imageLoadForURL_didFinishLoading(url, image)
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+    return if checkImage(image)
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     email = @icon_url_map[url]
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     @icons[email] = image
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     @commits_table.rowsInRect(@commits_table.enclosingScrollView.documentVisibleRect).to_range.each do |i|
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@@ -131,6 +133,10 @@
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     end
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   end
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+  def checkImage(image)
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+    image.TIFFRepresentation.isEqualToData(@standardimage)
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+  end
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+
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   def imageLoadForURL_didFailWithError(url, error)
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     STDERR.puts "Async image load failed for URL: #{url}\n#{error}"
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   end