Module: Debra::Execute

Included in:
Debra
Defined in:
lib/debra/execute.rb

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(sym, *args) ⇒ Object 



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# File 'lib/debra/execute.rb', line 66

def method_missing(sym, *args)
  @@control[sym] = args[0]      
end

Instance Method Details

#control ⇒ Object 



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# File 'lib/debra/execute.rb', line 81

def control
  yield
end

#files(*args, &block) ⇒ Object 



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# File 'lib/debra/execute.rb', line 70

def files(*args, &block)
  @@files = Rake::FileList.new *args, &block
end

#generate_control_text ⇒ Object 



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# File 'lib/debra/execute.rb', line 74

def generate_control_text
  @@control.to_a.map do |item|
    key = item[0].to_s.split("_").map{|v| v.capitalize}.join("-")
    "#{key}: #{item[1]}"
  end.join("\n")      
end

#load_file ⇒ Object 



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# File 'lib/debra/execute.rb', line 93

def load_file
  class_eval "load '#{@@options.file}'"
end

#package_name ⇒ Object 



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# File 'lib/debra/execute.rb', line 56

def package_name
  "#{@@control[:package]}-#{@@control[:version]}-#{@@control[:architecture]}.deb"
end

#run(options) ⇒ Object 



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# File 'lib/debra/execute.rb', line 5

def run(options)
  
  @@options  = options
  @@control  = {}
  @@files    = []
  @@generate = {}
  
  puts "Loading #{options.file}" if options.verbose
  load_file

  puts "Creating temp files" if options.verbose
  tmp_dir = "/tmp/debra_" + Process.pid.to_s
  
  Dir.mkdir tmp_dir
  Dir.mkdir tmp_dir + "/DEBIAN"
  
  if @@options.revision != nil
    @@control[:version] = @@control[:version] + "-" + @@options.revision
  end
  
  write tmp_dir + "/DEBIAN/control", generate_control_text

  @@generate.each_pair do |name, contents|
    write tmp_dir + "/DEBIAN/#{name.to_s}", contents
    File.chmod 0755, tmp_dir + "/DEBIAN/#{name.to_s}"
  end
  
  @@files.resolve.each do |file|
    if File.directory?(file)
      FileUtils.mkdir_p  tmp_dir + "/" + file
    else
      FileUtils.cp file, tmp_dir + "/" + file
    end
  end
  
  puts "Generating debian package" if options.verbose      
  `dpkg --build #{tmp_dir} #{package_name}`
  
  if $? != 0 
    puts "Error running dpkg, exiting"
    FileUtils.rm_rf tmp_dir        
    exit 1
  end
        
  puts "Removing temp files" if options.verbose            
  FileUtils.rm_rf tmp_dir
  
  puts "Created package: #{package_name}" 
  
end

#write(file, str) ⇒ Object 



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# File 'lib/debra/execute.rb', line 60

def write(file, str)
  file = File.new(file, "w")
  file.write(str + "\n")
  file.close
end