Module: Haml::Version

Includes:
Util
Included in:
Haml, Sass
Defined in:
lib/haml/version.rb

Constant Summary

Constants included from Util

Util::RUBY_VERSION

Instance Method Summary collapse

Methods included from Util

#def_static_method, #enum_with_index, #has?, #map_hash, #map_keys, #map_vals, #merge_adjacent_strings, #powerset, #ruby1_8?, #scope, #static_method_name, #to_hash

Instance Method Details

#version ⇒ Object

Returns a hash representing the version of Haml. The :major, :minor, and :teeny keys have their respective numbers. The :string key contains a human-readable string representation of the version. If Haml is checked out from Git, the :rev key will have the revision hash.



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# File 'lib/haml/version.rb', line 12

def version
  return @@version if defined?(@@version)

  numbers = File.read(scope('VERSION')).strip.split('.').map { |n| n.to_i }
  @@version = {
    :major => numbers[0],
    :minor => numbers[1],
    :teeny => numbers[2]
  }
  @@version[:string] = [:major, :minor, :teeny].map { |comp| @@version[comp] }.compact.join('.')

  if File.exists?(scope('REVISION'))
    rev = File.read(scope('REVISION')).strip
    rev = nil if rev !~ /^([a-f0-9]+|\(.*\))$/
  end

  if (rev.nil? || rev == '(unknown)') && File.exists?(scope('.git/HEAD'))
    rev = File.read(scope('.git/HEAD')).strip
    if rev =~ /^ref: (.*)$/
      rev = File.read(scope(".git/#{$1}")).strip
    end
  end

  if rev
    @@version[:rev] = rev
    unless rev[0] == ?(
      @@version[:string] << "."
      @@version[:string] << rev[0...7]
    end
  end

  @@version
end