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

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This gets us rid of a write-only variable.

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 09:28:50 +02:00 committed by Junio C Hamano
parent 744c040b19
commit 872ccb2c69
1 changed files with 1 additions and 2 deletions
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3
refs/files-backend.c
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@ -2499,7 +2499,6 @@ static int files_transaction_prepare(struct ref_store *ref_store,
struct string_list affected_refnames = STRING_LIST_INIT_NODUP;
char *head_ref = NULL;
int head_type;
struct object_id head_oid;
struct files_transaction_backend_data *backend_data;
struct ref_transaction *packed_transaction = NULL;
@ -2556,7 +2555,7 @@ static int files_transaction_prepare(struct ref_store *ref_store,
*/
head_ref = refs_resolve_refdup(ref_store, "HEAD",
RESOLVE_REF_NO_RECURSE,
head_oid.hash, &head_type);
NULL, &head_type);
if (head_ref && !(head_type & REF_ISSYMREF)) {
FREE_AND_NULL(head_ref);