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>
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

View File

@ -17,9 +17,8 @@
static char *get_default_remote(void)
{
char *dest = NULL, *ret;
unsigned char sha1[20];
struct strbuf sb = STRBUF_INIT;
const char *refname = resolve_ref_unsafe("HEAD", 0, sha1, NULL);
const char *refname = resolve_ref_unsafe("HEAD", 0, NULL, NULL);
if (!refname)
die(_("No such ref: %s"), "HEAD");
@ -1089,8 +1088,7 @@ static const char *remote_submodule_branch(const char *path)
return "master";
if (!strcmp(branch, ".")) {
unsigned char sha1[20];
const char *refname = resolve_ref_unsafe("HEAD", 0, sha1, NULL);
const char *refname = resolve_ref_unsafe("HEAD", 0, NULL, NULL);
if (!refname)
die(_("No such ref: %s"), "HEAD");