remote: drop checks for zero-url case

Now that the previous commit removed the possibility that a "struct
remote" will ever have zero url fields, we can drop a number of
redundant checks and untriggerable code paths.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin/archive.c

@@ -31,8 +31,6 @@ static int run_remote_archiver(int argc, const char **argv,
 	struct packet_reader reader;
 
 	_remote = remote_get(remote);
-	if (!_remote->url.nr)
-		die(_("git archive: Remote with no URL"));
 	transport = transport_get(_remote, _remote->url.v[0]);
 	transport_connect(transport, "git-upload-archive", exec, fd);
 

builtin/ls-remote.c

@@ -109,8 +109,6 @@ int cmd_ls_remote(int argc, const char **argv, const char *prefix)
 			die("bad repository '%s'", dest);
 		die("No remote configured to list refs from.");
 	}
-	if (!remote->url.nr)
-		die("remote %s has no configured URL", dest);
 
 	if (get_url) {
 		printf("%s\n", remote->url.v[0]);

builtin/push.c

@@ -438,18 +438,9 @@ static int do_push(int flags,
 	}
 	errs = 0;
 	url = push_url_of_remote(remote);
-	if (url->nr) {
+	for (i = 0; i < url->nr; i++) {
-		for (i = 0; i < url->nr; i++) {
-			struct transport *transport =
-				transport_get(remote, url->v[i]);
-			if (flags & TRANSPORT_PUSH_OPTIONS)
-				transport->push_options = push_options;
-			if (push_with_options(transport, push_refspec, flags))
-				errs++;
-		}
-	} else {
 		struct transport *transport =
-			transport_get(remote, NULL);
+			transport_get(remote, url->v[i]);
 		if (flags & TRANSPORT_PUSH_OPTIONS)
 			transport->push_options = push_options;
 		if (push_with_options(transport, push_refspec, flags))

builtin/remote.c

@@ -1002,8 +1002,7 @@ static int get_remote_ref_states(const char *name,
 		struct transport *transport;
 		const struct ref *remote_refs;
 
-		transport = transport_get(states->remote, states->remote->url.nr > 0 ?
+		transport = transport_get(states->remote, states->remote->url.v[0]);
-			states->remote->url.v[0] : NULL);
 		remote_refs = transport_get_remote_refs(transport, NULL);
 
 		states->queried = 1;
@@ -1294,8 +1293,7 @@ static int show(int argc, const char **argv, const char *prefix)
 		get_remote_ref_states(*argv, &info.states, query_flag);
 
 		printf_ln(_("* remote %s"), *argv);
-		printf_ln(_("  Fetch URL: %s"), info.states.remote->url.nr > 0 ?
+		printf_ln(_("  Fetch URL: %s"), info.states.remote->url.v[0]);
-		       info.states.remote->url.v[0] : _("(no URL)"));
 		url = push_url_of_remote(info.states.remote);
 		for (i = 0; i < url->nr; i++)
 			/*
@@ -1440,10 +1438,7 @@ static int prune_remote(const char *remote, int dry_run)
 	}
 
 	printf_ln(_("Pruning %s"), remote);
-	printf_ln(_("URL: %s"),
+	printf_ln(_("URL: %s"), states.remote->url.v[0]);
-		  states.remote->url.nr
-		  ? states.remote->url.v[0]
-		  : _("(no URL)"));
 
 	for_each_string_list_item(item, &states.stale)
 		string_list_append(&refs_to_prune, item->util);
@@ -1632,8 +1627,6 @@ static int get_url(int argc, const char **argv, const char *prefix)
 	}
 
 	url = push_mode ? push_url_of_remote(remote) : &remote->url;
-	if (!url->nr)
-		die(_("no URLs configured for remote '%s'"), remotename);
 
 	if (all_mode) {
 		for (i = 0; i < url->nr; i++)

t/helper/test-bundle-uri.c

@@ -88,8 +88,6 @@ static int cmd_ls_remote(int argc, const char **argv)
 			die(_("bad repository '%s'"), dest);
 		die(_("no remote configured to get bundle URIs from"));
 	}
-	if (!remote->url.nr)
-		die(_("remote '%s' has no configured URL"), dest);
 
 	transport = transport_get(remote, NULL);
 	if (transport_get_remote_bundle_uri(transport) < 0) {

transport.c

@@ -1112,6 +1112,7 @@ static struct transport_vtable builtin_smart_vtable = {
 struct transport *transport_get(struct remote *remote, const char *url)
 {
 	const char *helper;
+	const char *p;
 	struct transport *ret = xcalloc(1, sizeof(*ret));
 
 	ret->progress = isatty(2);
@@ -1127,19 +1128,15 @@ struct transport *transport_get(struct remote *remote, const char *url)
 	ret->remote = remote;
 	helper = remote->foreign_vcs;
 
-	if (!url && remote->url.nr)
+	if (!url)
 		url = remote->url.v[0];
 	ret->url = url;
 
-	/* maybe it is a foreign URL? */
+	p = url;
-	if (url) {
+	while (is_urlschemechar(p == url, *p))
-		const char *p = url;
+		p++;
-
+	if (starts_with(p, "::"))
-		while (is_urlschemechar(p == url, *p))
+		helper = xstrndup(url, p - url);
-			p++;
-		if (starts_with(p, "::"))
-			helper = xstrndup(url, p - url);
-	}
 
 	if (helper) {
 		transport_helper_init(ret, helper);