Module: Beaker::Shared::Semvar

Included in:
Beaker::Shared
Defined in:
lib/beaker/shared/semvar.rb

Instance Method Summary collapse

Instance Method Details

#version_is_less(a, b) ⇒ Boolean

Note:

3.0.0-160-gac44cfb is greater than 3.0.0, and 2.8.2

Note:

-rc being less than final builds is not yet implemented.

Is semver-ish version a less than semver-ish version b



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# File 'lib/beaker/shared/semvar.rb', line 12

def version_is_less a, b
  a_nums = a.split('-')[0].split('.')
  b_nums = b.split('-')[0].split('.')
  (0...a_nums.length).each do |i|
    if i < b_nums.length
      if a_nums[i] < b_nums[i]
        return true
      elsif a_nums[i] > b_nums[i]
        return false
      end
    else
      return false
    end
  end
  #checks all dots, they are equal so examine the rest
  a_rest = a.split('-', 2)[1]
  b_rest = b.split('-', 2)[1]
  if a_rest and b_rest and a_rest < b_rest
    return false
  elsif a_rest and not b_rest
    return false
  elsif not a_rest and b_rest
    return true
  end
  return false
end