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

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This allows us to get rid of several write-only variables.

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
2017-10-01 09:29:03 +02:00
committed by Junio C Hamano
parent 872ccb2c69
commit efbd4fdfc9
6 changed files with 8 additions and 18 deletions
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7
ref-filter.c
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@ -295,9 +295,7 @@ static void if_atom_parser(const struct ref_format *format, struct used_atom *at
static void head_atom_parser(const struct ref_format *format, struct used_atom *atom, const char *arg)
{
struct object_id unused;
atom->u.head = resolve_refdup("HEAD", RESOLVE_REF_READING, unused.hash, NULL);
atom->u.head = resolve_refdup("HEAD", RESOLVE_REF_READING, NULL, NULL);
}
static struct {
@ -1317,9 +1315,8 @@ static void populate_value(struct ref_array_item *ref)
ref->value = xcalloc(used_atom_cnt, sizeof(struct atom_value));
if (need_symref && (ref->flag & REF_ISSYMREF) && !ref->symref) {
struct object_id unused1;
ref->symref = resolve_refdup(ref->refname, RESOLVE_REF_READING,
unused1.hash, NULL);
NULL, NULL);
if (!ref->symref)
ref->symref = "";
}