Contents

require 'yaml'
require 'doit'

class What

  def self.matrix;  @matrix;  end
  def self.where;   @where;   end
  def self.env;     @env;     end

  def self.init(script, config)
    @matrix = nil
    @yml   = (config && YAML.load(config)) || {}

    @where = @yml.delete('where')
    @env   = @yml.delete('env')
    @env ||= ['']
    @env   = [@env].flatten.compact

    remote = Doit.options[:remote]
    @where   = remote  if remote
    @where ||= Dir.pwd   # default is current directory
    @where   = [@where].flatten.compact

    build_matrix
    @matrix ||= []
    @matrix = [@matrix]  unless Array === @matrix.first
    @matrix.map! { |m| m.flatten.inject({}) { |hsh, h| hsh.merge(h) } }
    info
  end

  def self.to_env(hsh)
    arr = hsh.collect { |key, value| "#{key.to_s.upcase}=#{value}" }
    arr.join ' '
  end

  def self.info
    return  unless Doit.options[:verbose]

    My.verbose "where",  @where
    My.verbose "matrix", @matrix
    My.verbose "env",    @env
  end


 private
  def self.build_matrix
    unless @yml.empty?
      key, value = @yml.first
      @yml.delete(key)
      add_to_matrix(key, value)
      build_matrix
    end
  end

  def self.add_to_matrix(key, val)
    arr = Array === val ? val.collect {|v| [{key => v}] } : [{key => val}]
    @matrix = @matrix ? @matrix.product(arr) : arr
  end

end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
doit-0.2.4	lib/what.rb