jbox-web/redmine_git_hosting

# frozen_string_literal: true

module RedmineGitHosting
  module Utils
    module Git
      extend self

      REF_COMPONENT_PART  = '[\\.\\-\\w_\\*]+'
      REF_COMPONENT_REGEX = %r{\A(refs/)?((#{REF_COMPONENT_PART})/)?(#{REF_COMPONENT_PART}(/#{REF_COMPONENT_PART})*)\z}.freeze

      # Parse a reference component. Two possibilities:
      #
      # 1) refs/type/name
      # 2) name
      #
      def parse_refspec(spec)
        parsed_refspec = spec.match REF_COMPONENT_REGEX
        return if parsed_refspec.nil?

        if parsed_refspec[1]
          # Should be first class.  If no type component, return fail
          { type: parsed_refspec[3], name: parsed_refspec[4] } if parsed_refspec[3]
        elsif parsed_refspec[3]
          { type: nil, name: "#{parsed_refspec[3]}/#{parsed_refspec[4]}" }
        else
          { type: nil, name: parsed_refspec[4] }
        end
      end

      def author_name(committer)
        committer.gsub(/\A([^<]+)\s+.*\z/, '\1')
      end

      def author_email(committer)
        committer.gsub(/\A.*<([^>]+)>.*\z/, '\1')
      end
    end
  end
end