Class: Releasinator::ValidatorChangelog

Inherits:
Object
  • Object
show all
Defined in:
lib/validator_changelog.rb

Constant Summary collapse

RELEASE_REGEX = 
/\d+\.\d+\.\d+/

Instance Method Summary collapse

Constructor Details

#initialize(releasinator_config) ⇒ ValidatorChangelog

Returns a new instance of ValidatorChangelog.



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# File 'lib/validator_changelog.rb', line 12

def initialize(releasinator_config)
  @releasinator_config = releasinator_config
end

Instance Method Details

#check_semver_criteria(condition, message) ⇒ Object 



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# File 'lib/validator_changelog.rb', line 61

def check_semver_criteria(condition, message)
  if !condition
    Printer.fail(message)
    abort()
  end
end

#validate_changelog_contents(changelog_contents) ⇒ Object 



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# File 'lib/validator_changelog.rb', line 68

def validate_changelog_contents(changelog_contents)
  version_header_regexes = [
    ## h2 using --- separator.  Example:
    #  1.0.0
    #  -----
    #  First release!
    '(^#{RELEASE_REGEX}).*\n----.*',

    # h1/h2 header retrieved from https://github.com/tech-angels/vandamme/#format and modified to skip headers with dots in the name
    '^#{0,3} ?([\w\d\.-]+\.[\d\.-]+[a-zA-Z0-9])(?: \W (\w+ \d{1,2}(?:st|nd|rd|th)?,\s\d{4}|\d{4}-\d{2}-\d{2}|\w+))?\n?[=-]*'
  ]

  changelog_hash = nil
  version_header_regexes.each do |version_header_regex|
    parser = Vandamme::Parser.new(changelog: changelog_contents, version_header_exp: version_header_regex, format: 'markdown')
    changelog_hash = parser.parse

    break if !changelog_hash.empty?
  end
  
  if changelog_hash.empty?
    Printer.fail("Unable to find any releases in the CHANGELOG.md.  Please check that your formatting is correct.")
    abort()
  end
  
  Printer.success("Found " + changelog_hash.count.to_s.bold + " release(s) in CHANGELOG.md.")

  validate_semver(changelog_hash)

  latest_release, latest_release_changelog = changelog_hash.first
  CurrentRelease.new(latest_release, latest_release_changelog)
end

#validate_semver(changelog_hash) ⇒ Object

assume changelog_hash is not empty



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# File 'lib/validator_changelog.rb', line 17

def validate_semver(changelog_hash)
  latest_release, latest_release_changelog = changelog_hash.first
  # extract prefix from first release to use on all subsequent releases
  latest_release_prefix = latest_release.partition(RELEASE_REGEX)[0]

  newer_version = nil
  changelog_hash.each do |key,value|
    prefix, version, suffix = key.partition(RELEASE_REGEX)
    puts "Checking version with prefix:'#{prefix}', version:'#{version}', suffix:'#{suffix}'." if @releasinator_config[:verbose]
    if prefix != latest_release_prefix
      Printer.fail("version #{key} does not start with extracted prefix '#{latest_release_prefix}'.")
      abort()
    end
    older_version = Semantic::Version.new version

    if nil != newer_version
      version_comp = newer_version <=> older_version
      if version_comp < 0
        Printer.fail("Semver releases out of order: #{older_version} should be smaller than #{newer_version}")
        abort()
      elsif version_comp == 0
        # this case cannot be found with Vandamme library because 2 versions in a row get overwritten in the underlying hash
        if suffix.empty?
          Printer.fail("2 semver releases in a row without a suffix (like -beta, -rc1, etc...) is not allowed.")
          abort()
        end
      else
        error_suffix = "version increment error - comparing #{newer_version} to #{older_version} does not pass semver validation."
        # validate the next sequence in semver
        if newer_version.major == older_version.major
          if newer_version.minor == older_version.minor
            check_semver_criteria(newer_version.patch == older_version.patch + 1, "patch #{error_suffix}")
          else
            check_semver_criteria(newer_version.minor == older_version.minor + 1 && newer_version.patch == 0, "minor #{error_suffix}")
          end
        else
          check_semver_criteria(newer_version.major == older_version.major + 1 && newer_version.minor == 0 && newer_version.patch == 0, "major #{error_suffix}")
        end
      end
    end
    newer_version = older_version
  end
end