51 lines
1.3 KiB
Ruby
51 lines
1.3 KiB
Ruby
module Rails
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module Upgrading
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class NewConfigurationGenerator
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def generate_new_configurations
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if has_environment?
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generate_new_application_rb
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else
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raise FileNotFoundError, "Can't find environment.rb [config/environment.rb]!"
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end
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end
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def has_environment?
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File.exists?("config/environment.rb")
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end
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def environment_code
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File.open("config/environment.rb").read
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end
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def generate_new_application_rb
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environment_file = environment_code
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initializer_code = ""
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if matches = environment_file.match(/Rails\:\:Initializer\.run do \|config\|\n(.*)\nend/m)
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initializer_code = matches[1]
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else
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raise "There doesn't seem to be a real environment.rb in your app. Are you sure config/environment.rb has the right contents?"
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end
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frame = "# Put this in config/application.rb
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require File.expand_path('../boot', __FILE__)
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module #{app_name.classify}
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class Application < Rails::Application
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%s
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end
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end"
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frame % [indent(initializer_code)]
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end
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def indent(text)
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text.split("\n").map {|l| " #{l}"}.join("\n")
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end
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def app_name
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File.basename(Dir.pwd)
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end
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end
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end
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end |