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cfd971520e
Since ref iterators do not hold onto the direct value of a reference without resolving it, the only way to get ahold of a direct value of a symbolic ref is to make a separate call to refs_read_symbolic_ref. To make accessing the direct value of a symbolic ref more efficient, let's save the direct value of the ref in the iterators for both the files backend and the reftable backend. Signed-off-by: John Cai <johncai86@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>