Module: DependenciesHelpers

Included in:
Homebrew
Defined in:
brew/Library/Homebrew/dependencies_helpers.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.dependents(formulae_or_casks) ⇒ Object 



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# File 'brew/Library/Homebrew/dependencies_helpers.rb', line 72

def dependents(formulae_or_casks)
  formulae_or_casks.map do |formula_or_cask|
    if formula_or_cask.is_a?(Formula)
      formula_or_cask
    else
      CaskDependent.new(formula_or_cask)
    end
  end
end

Instance Method Details

#args_includes_ignores(args) ⇒ Object 



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# File 'brew/Library/Homebrew/dependencies_helpers.rb', line 6

def args_includes_ignores(args)
  includes = []
  ignores = []

  if args.include_build?
    includes << "build?"
  else
    ignores << "build?"
  end

  if args.include_test?
    includes << "test?"
  else
    ignores << "test?"
  end

  if args.include_optional?
    includes << "optional?"
  else
    ignores << "optional?"
  end

  ignores << "recommended?" if args.skip_recommended?

  [includes, ignores]
end

#recursive_includes(klass, root_dependent, includes, ignores) ⇒ Object 



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# File 'brew/Library/Homebrew/dependencies_helpers.rb', line 33

def recursive_includes(klass, root_dependent, includes, ignores)
  type = if klass == Dependency
    :dependencies
  elsif klass == Requirement
    :requirements
  else
    raise ArgumentError, "Invalid class argument: #{klass}"
  end

  root_dependent.send("recursive_#{type}") do |dependent, dep|
    if dep.recommended?
      klass.prune if ignores.include?("recommended?") || dependent.build.without?(dep)
    elsif dep.optional?
      klass.prune if !includes.include?("optional?") && !dependent.build.with?(dep)
    elsif dep.build? || dep.test?
      keep = false
      keep ||= dep.test? && includes.include?("test?") && dependent == root_dependent
      keep ||= dep.build? && includes.include?("build?")
      klass.prune unless keep
    end

    # If a tap isn't installed, we can't find the dependencies of one of
    # its formulae, and an exception will be thrown if we try.
    if type == :dependencies &&
       dep.is_a?(TapDependency) &&
       !dep.tap.installed?
      Dependency.keep_but_prune_recursive_deps
    end
  end
end

#reject_ignores(dependables, ignores, includes) ⇒ Object 



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# File 'brew/Library/Homebrew/dependencies_helpers.rb', line 64

def reject_ignores(dependables, ignores, includes)
  dependables.reject do |dep|
    next false unless ignores.any? { |ignore| dep.send(ignore) }

    includes.none? { |include| dep.send(include) }
  end
end