Class: Dotum::AbstractRules::GlobbableFiles

Inherits:
OptionsBase show all
Defined in:
lib/dotum/abstract_rules/globbable_files.rb

Direct Known Subclasses

Rules::Link

Constant Summary collapse

GLOB_MATCHER = 
/\*/
DIR_MATCHER = 
/[\/\\]$/

Instance Attribute Summary

Attributes inherited from Base

#context

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from OptionsBase

exec, #initialize

Methods inherited from Base

exec, #exec, #initialize, pretty

Methods included from RuleOptionsDSL

#eval_options_block, #expand_shorthand, #option_configs, #option_defaults, #optional, #preprocessor_methods, #register_preprocessor, #required, #shorthand, #shorthand_config, #standard, #validate_options

Methods included from RuleDSL

#available?, #failure!, #method_missing, #package_dir, #platform?, #skip!, #state_dir, #success!, #target_dir

Constructor Details

This class inherits a constructor from Dotum::AbstractRules::OptionsBase

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Dotum::RuleDSL

Class Method Details

.expand_options(context, options) ⇒ Object 



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# File 'lib/dotum/abstract_rules/globbable_files.rb', line 15

def self.expand_options(context, options)
  source      = options[:source]
  destination = options[:destination]

  source_is_glob = GLOB_MATCHER === source
  target_is_dir  = DIR_MATCHER  === destination if destination
  if source_is_glob && destination && !target_is_dir
    raise "target path must be a directory when linking a glob expression."
  end

  sources = context.package_dir.relative_glob(source, &:file?)
  if sources.size > 1 && destination && !target_is_dir
    raise "Bug!  target path is a file, but we globbed multiple sources!"
  end

  sources.reject! { |p| options[:ignore_pattern] =~ p }

  sources.map { |source_path|
    # Behave like `ln` if the target is a directory; the file is made a direct
    # descendent of that directory.
    if target_is_dir
      destination_path = File.join(destination, File.basename(source_path))
    elsif destination
      destination_path = destination
    else
      destination_path = source_path
    end

    options.merge(:source => source_path, :destination => destination_path)
  }
end

Instance Method Details

#pretty_subject ⇒ Object 



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# File 'lib/dotum/abstract_rules/globbable_files.rb', line 47

def pretty_subject
  "#{@destination.pretty} (#{@source.pretty})"
end