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@@ -13,14 +13,19 @@
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   end
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 end
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+unless ARGV[0]
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+  $stderr.puts "You must specify a path to a git repository"
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+  Process.exit
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+end
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+
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+$ticgit = TicGit.open(ARGV[0].chomp)
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+$yui_version = '2.5.1'
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+
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 get('/screen.css') do
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   header 'Content-Type' => 'text/css; charset=utf-8'
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   sass :screen
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 end
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-$yui_version = '2.5.1'
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-$ticgit = TicGit.open('.')
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-
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 before do
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   @saved = $ticgit.config['list_options'].keys rescue []
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 end