Function show_head_ref

http-backend.c:580–597

}

static int show_head_ref(const struct reference *ref, void *cb_data)
{
	struct strbuf *buf = cb_data;

	if (ref->flags & REF_ISSYMREF) {
		const char *target = refs_resolve_ref_unsafe(get_main_ref_store(the_repository),
							     ref->name,
							     RESOLVE_REF_READING,
							     NULL, NULL);

		if (target)
			strbuf_addf(buf, "ref: %s\n", strip_namespace(target));
	} else {
		strbuf_addf(buf, "%s\n", oid_to_hex(ref->oid));
	}

	return 0;
}

static void get_head(struct strbuf *hdr, char *arg UNUSED)
{