refs: call branches branches

These things in refs/heads/ hierarchy are called "branches" in human
parlance.  Replace REF_HEADS with REF_BRANCHES to make it clearer.

No end-user visible change intended at this step.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

Author: gitster

builtin/ls-remote.c

@@ -68,7 +68,7 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
 			   N_("path of git-upload-pack on the remote host"),
 			   PARSE_OPT_HIDDEN },
 		OPT_BIT('t', "tags", &flags, N_("limit to tags"), REF_TAGS),
-		OPT_BIT('h', "heads", &flags, N_("limit to heads"), REF_HEADS),
+		OPT_BIT('h', "heads", &flags, N_("limit to heads"), REF_BRANCHES),
 		OPT_BIT(0, "refs", &flags, N_("do not show peeled tags"), REF_NORMAL),
 		OPT_BOOL(0, "get-url", &get_url,
 			 N_("take url.<base>.insteadOf into account")),
@@ -100,7 +100,7 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
 
 	if (flags & REF_TAGS)
 		strvec_push(&transport_options.ref_prefixes, "refs/tags/");
-	if (flags & REF_HEADS)
+	if (flags & REF_BRANCHES)
 		strvec_push(&transport_options.ref_prefixes, "refs/heads/");
 
 	remote = remote_get(dest);

connect.c

@@ -38,8 +38,8 @@ static int check_ref(const char *name, unsigned int flags)
 							 REFNAME_ALLOW_ONELEVEL))
 		return 0;
 
-	/* REF_HEADS means that we want regular branch heads */
-	if ((flags & REF_HEADS) && starts_with(name, "heads/"))
+	/* REF_BRANCHES means that we want regular branch heads */
+	if ((flags & REF_BRANCHES) && starts_with(name, "heads/"))
 		return 1;
 
 	/* REF_TAGS means that we want tags */

remote.h

@@ -200,7 +200,7 @@ struct ref {
 };
 
 #define REF_NORMAL	(1u << 0)
-#define REF_HEADS	(1u << 1)
+#define REF_BRANCHES	(1u << 1)
 #define REF_TAGS	(1u << 2)
 
 struct ref *find_ref_by_name(const struct ref *list, const char *name);