refs: pass NULL to resolve_ref_unsafe() if hash is not needed
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>
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committed by
Junio C Hamano

parent
e691b027b6
commit
744c040b19
3
branch.c
3
branch.c
@ -191,9 +191,8 @@ int validate_new_branchname(const char *name, struct strbuf *ref,
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if (!attr_only) {
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const char *head;
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struct object_id oid;
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head = resolve_ref_unsafe("HEAD", 0, oid.hash, NULL);
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head = resolve_ref_unsafe("HEAD", 0, NULL, NULL);
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if (!is_bare_repository() && head && !strcmp(head, ref->buf))
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die(_("Cannot force update the current branch."));
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}
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