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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
builtin/receive-pack.c
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@ -1207,11 +1207,10 @@ static void check_aliased_update(struct command *cmd, struct string_list *list)
const char *dst_name;
struct string_list_item *item;
struct command *dst_cmd;
unsigned char sha1[GIT_MAX_RAWSZ];
int flag;
strbuf_addf(&buf, "%s%s", get_git_namespace(), cmd->ref_name);
dst_name = resolve_ref_unsafe(buf.buf, 0, sha1, &flag);
dst_name = resolve_ref_unsafe(buf.buf, 0, NULL, &flag);
strbuf_release(&buf);
if (!(flag & REF_ISSYMREF))