# File lib/grit/git-ruby/repository.rb, line 116
      def object_exists?(sha1)
        sha_hex = [sha1].pack("H*")
        return true if in_packs?(sha_hex)
        return true if in_loose?(sha_hex)
        initpacks
        return true if in_packs?(sha_hex) #maybe the object got packed in the meantime
        false
      end