lib/gitlab/git.rb


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module Gitlab
  module Git
    BLANK_SHA = ('0' * 40).freeze
    TAG_REF_PREFIX = "refs/tags/".freeze
    BRANCH_REF_PREFIX = "refs/heads/".freeze

    class << self
      def ref_name(ref)
        ref.gsub(/\Arefs\/(tags|heads)\//, '')
      end

      def branch_name(ref)
        ref = ref.to_s
        if self.branch_ref?(ref)
          self.ref_name(ref)
        else
          nil
        end
      end

      def tag_name(ref)
        ref = ref.to_s
        if self.tag_ref?(ref)
          self.ref_name(ref)
        else
          nil
        end
      end

      def tag_ref?(ref)
        ref.start_with?(TAG_REF_PREFIX)
      end

      def branch_ref?(ref)
        ref.start_with?(BRANCH_REF_PREFIX)
      end

      def blank_ref?(ref)
        ref == BLANK_SHA
      end

      def version
        Gitlab::VersionInfo.parse(Gitlab::Popen.popen(%W(#{Gitlab.config.git.bin_path} --version)).first)
      end
    end
  end
end