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refs: pass NULL to resolve_ref_unsafe() if hash is not needed

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This allows us to get rid of some write-only variables, among them seven
SHA1 buffers.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe
2017-09-23 11:45:04 +02:00
committed by Junio C Hamano
parent e691b027b6
commit 744c040b19
14 changed files with 19 additions and 38 deletions
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3
http-backend.c
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@@ -486,10 +486,9 @@ static int show_head_ref(const char *refname, const struct object_id *oid,
struct strbuf *buf = cb_data;
if (flag & REF_ISSYMREF) {
struct object_id unused;
const char *target = resolve_ref_unsafe(refname,
RESOLVE_REF_READING,
unused.hash, NULL);
NULL, NULL);
if (target)
strbuf_addf(buf, "ref: %s\n", strip_namespace(target));