98 lines
2.3 KiB
Ruby
98 lines
2.3 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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class VersionInfo
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include Comparable
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attr_reader :major, :minor, :patch
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VERSION_REGEX = /(\d+)\.(\d+)\.(\d+)/.freeze
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# To mitigate ReDoS, limit the length of the version string we're
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# willing to check
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MAX_VERSION_LENGTH = 128
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def self.parse(str, parse_suffix: false)
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if str.is_a?(self)
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str
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elsif str && str.length <= MAX_VERSION_LENGTH && m = str.match(VERSION_REGEX)
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VersionInfo.new(m[1].to_i, m[2].to_i, m[3].to_i, parse_suffix ? m.post_match : nil)
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else
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VersionInfo.new
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end
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end
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def initialize(major = 0, minor = 0, patch = 0, suffix = nil)
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@major = major
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@minor = minor
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@patch = patch
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@suffix_s = suffix.to_s
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end
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# rubocop:disable Metrics/CyclomaticComplexity
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# rubocop:disable Metrics/PerceivedComplexity
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def <=>(other)
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return unless other.is_a? VersionInfo
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return unless valid? && other.valid?
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if other.major < @major
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1
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elsif @major < other.major
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-1
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elsif other.minor < @minor
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1
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elsif @minor < other.minor
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-1
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elsif other.patch < @patch
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1
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elsif @patch < other.patch
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-1
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elsif @suffix_s.empty? && other.suffix.present?
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1
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elsif other.suffix.empty? && @suffix_s.present?
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-1
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else
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suffix <=> other.suffix
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end
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end
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# rubocop:enable Metrics/CyclomaticComplexity
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# rubocop:enable Metrics/PerceivedComplexity
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def to_s
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if valid?
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"%d.%d.%d%s" % [@major, @minor, @patch, @suffix_s]
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else
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'Unknown'
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end
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end
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def to_json(*_args)
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{ major: @major, minor: @minor, patch: @patch }.to_json
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end
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def suffix
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@suffix ||= @suffix_s.strip.gsub('-', '.pre.').scan(/\d+|[a-z]+/i).map do |s|
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/^\d+$/ =~ s ? s.to_i : s
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end.freeze
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end
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def valid?
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@major >= 0 && @minor >= 0 && @patch >= 0 && @major + @minor + @patch > 0
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end
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def hash
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[self.class, to_s].hash
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end
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def eql?(other)
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(self <=> other) == 0
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end
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def same_minor_version?(other)
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@major == other.major && @minor == other.minor
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end
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def without_patch
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self.class.new(@major, @minor, 0)
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end
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end
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end
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