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@@ -1,8 +1,24 @@
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-this_path = File.dirname(__FILE__)
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+require 'pathname'
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-require this_path + '/../../../config/boot'
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+def path(s); Pathname.new(s).cleanpath.to_s end
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+
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+this_path = path File.dirname(__FILE__)
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+require path(this_path + '/../../../config/boot')
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 require 'fileutils'
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-initializer_template_path = this_path + "/install/initializer.rb"
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-initializer_destination = RAILS_ROOT + "/config/initializers/railz_scout.rb"
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+config_path               = path("#{RAILS_ROOT}/config")
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+environment_path          = path("#{config_path}/environment.rb")
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+initializers_path         = path("#{config_path}/initializers")
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+initializer_template_path = path(this_path + "/install/initializer.rb")
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+initializer_destination   = path("#{initializers_path}/railz_scout.rb")
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+
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+unless File.exists? initializers_path
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+  FileUtils.mkdir_p initializers_path
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+  required = initializer_destination.sub(/\.rb$/, '')
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+  open(environment_path, 'a') do |f| 
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+    f.write "\n\n# == Added by RailzScout:\n"
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+    f.write "require '#{required}'\n"
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+  end if IO.read(environment_path).grep(/#{required}/).empty?
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+end
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+
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 FileUtils.cp initializer_template_path, initializer_destination