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packed_read_raw_ref(): read the reference from the mmapped buffer

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Instead of reading the reference from the `ref_cache`, read it
directly from the mmapped buffer.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Haggerty 2017-09-25 10:00:13 +02:00 committed by Junio C Hamano
parent d1cf15516f
commit f3987ab36d
1 changed files with 9 additions and 5 deletions
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14
refs/packed-backend.c
View file

@ -876,18 +876,22 @@ static int packed_read_raw_ref(struct ref_store *ref_store,
{
struct packed_ref_store *refs =
packed_downcast(ref_store, REF_STORE_READ, "read_raw_ref");
struct ref_entry *entry;
struct packed_ref_cache *packed_refs = get_packed_ref_cache(refs);
const char *rec;
*type = 0;
entry = get_packed_ref(refs, refname);
if (!entry) {
rec = find_reference_location(packed_refs, refname, 1);
if (!rec) {
/* refname is not a packed reference. */
errno = ENOENT;
return -1;
}
hashcpy(sha1, entry->u.value.oid.hash);
if (get_sha1_hex(rec, sha1))
die_invalid_line(refs->path, rec, packed_refs->eof - rec);
*type = REF_ISPACKED;
return 0;
}