Class: GemChangelogDiff::TagMatcher

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

Overview

Extracts version strings from various Git tag formats.

Constant Summary collapse

STANDARD_PATTERN = 
/\A(?:release-)?v?(\d+\..+)\z/

Instance Method Summary collapse

Constructor Details

#initialize(gem_name: nil) ⇒ TagMatcher

Returns a new instance of TagMatcher.



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# File 'lib/gem_changelog_diff/tag_matcher.rb', line 8

def initialize(gem_name: nil)
  @gem_name = gem_name
end

Instance Method Details

#extract_version(tag) ⇒ String?

Parses a version string from a tag name.

Parameters:

  • tag (String, nil) —

    the Git tag name

Returns:

  • (String, nil) —

    extracted version, or nil if unparseable



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# File 'lib/gem_changelog_diff/tag_matcher.rb', line 15

def extract_version(tag)
  return nil if tag.nil? || tag.strip.empty?

  version = try_gem_prefixed(tag) || try_standard_pattern(tag)
  return nil unless version

  validate_version(version)
end