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8b72fea7e9
Add a "failure_errno" to refs_read_raw_ref(), his allows refs_werrres_ref_unsafe() to pass along its "failure_errno", as a first step before its own callers are migrated to pass it further up the chain. We are leaving out out the refs_read_special_head() in refs_read_raw_ref() for now, as noted in a subsequent commit moving it to "failure_errno" will require some special consideration. Signed-off-by: Han-Wen Nienhuys <hanwen@google.com> Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>