Module: AgapeRedRecipes::Gemfile

Included in:
RecipeGenerator
Defined in:
lib/agape-red-recipes/modules/gemfile.rb

Instance Method Summary collapse

Instance Method Details

#gem(*args) ⇒ Object 



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# File 'lib/agape-red-recipes/modules/gemfile.rb', line 25

def gem(*args)
  options = args.extract_options!
  name, version = args

  # Set the message to be shown in logs. Uses the git repo if one is given,
  # otherwise use name (version).
  parts, message = [ name.inspect ], name
  if version ||= options.delete(:version)
    parts   << version.inspect
    message << " (#{version})"
  end
  message = options[:git] if options[:git]

  log :gemfile, message

  options.each do |option, value|
    parts << "#{option}: #{value.inspect}"
  end

  @@installed_gem_names ||= Gem::Specification.map &:name
  return if @@installed_gem_names.include? name

  in_root do
    str = "gem#{parts.join(", ")}"
    str = "  " + str if @in_group
    str = "\n" + str

    if @current_group
      insert_at_end_of_line_containing 'Gemfile', str, "group #{@current_group} do"
    else
      append_file 'Gemfile', str, verbose: false
    end

  end
end

#gem_group(*names, &block) ⇒ Object 



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# File 'lib/agape-red-recipes/modules/gemfile.rb', line 11

def gem_group(*names, &block)
  name = names.map(&:inspect).join(", ")

  if gem_group_exists?(*names)
    @in_group = true
    @current_group = name
    instance_eval(&block)
    @current_group = nil
    @in_group = false
  else
    super(*names, &block)
  end
end

#gem_group_exists?(*names) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/agape-red-recipes/modules/gemfile.rb', line 3

def gem_group_exists?(*names)
  name = names.map(&:inspect).join(", ")

  File.open("Gemfile") do |file|
    file.read.include? "\ngroup #{name} do"
  end
end

#insert_at_end_of_line_containing(file_name, insert, contents) ⇒ Object 



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# File 'lib/agape-red-recipes/modules/gemfile.rb', line 61

def insert_at_end_of_line_containing(file_name, insert, contents)
  open(file_name, 'r+') do |file|

    while !file.eof?
      break if file.readline.include? contents
    end

    # Move back to the end of the previous line
    file.seek file.pos - 1

    position = file.pos
    rest_of_file = file.read
    file.seek position

    file.write insert
    file.write rest_of_file
  end
end