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script.rb
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script.rb
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module Swineherd
class Script
attr_reader :raw_script_filename
attr_accessor :binding
def initialize(raw_script_filename,binding={})
@raw_script_filename = raw_script_filename
@binding = binding
end
def run(settings={})
write
runner.config.merge!(settings)
#Logger.new(STDOUT).info "\n#{evaluated_script_contents}"
runner.execute
end
def runner
@runner ||= Swineherd::Runner.for_script(self)
end
def flush!
File.delete(filename) if File.exists?(filename)
@template_filename = nil
@template_file = nil
@binding = {}
end
def write
template_file
end
def filename
@template_filename ||= Swineherd.config.template_root+[Time.now.to_i,$$,File.basename(raw_script_filename).gsub(/.erb$/,'')].join("-")
end
def evaluated_script_contents
Erubis::Eruby.new(File.read(raw_script_filename)).result(self.binding)
end
private
def template_file
@template_file ||= File.open(filename,"w+"){|file| file.write(evaluated_script_contents);file}
end
end
end
require 'swineherd/script/pig_script'