Module: Gemstar::Utils

Defined in:
lib/gemstar/utils.rb

Instance Method Summary collapse

Instance Method Details

#generate_version_range(from_str, to_str) ⇒ Object 



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# File 'lib/gemstar/utils.rb', line 3

def generate_version_range(from_str, to_str)
  from = Gem::Version.new(from_str.gsub(/-[\w\-]+$/, ''))
  to = Gem::Version.new(to_str.gsub(/-[\w\-]+$/, ''))
  result = Set.new

  # Generate known version steps up to 2000 iterations max (safety limit)
  queue = [from]
  2000.times do
    v = queue.pop
    break if v.nil? || v >= to

    patch = Gem::Version.new("#{v.segments[0]}.#{v.segments[1]}.#{v.segments[2] + 1}")
    minor = Gem::Version.new("#{v.segments[0]}.#{v.segments[1] + 1}.0")
    major = Gem::Version.new("#{v.segments[0] + 1}.0.0")

    [patch, minor, major].each do |next_v|
      next if next_v > to || result&.include?(next_v)
      result << next_v
      queue << next_v
    end
  end

  result.select { |v| v > from && v <= to }.sort.map(&:to_s)
end