builtin/branch.c: use error_errno()

diff --git a/builtin/fetch.c b/builtin/fetch.c
index 8e742135f049c2792bfc5a20299dac88518929cc..e4639d8eb1d5fda586520f10271c05a0897f2ea5 100644 (file)
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -38,6 +38,7 @@ static int all, append, dry_run, force, keep, multiple, update_head_ok, verbosit
 static int progress = -1, recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
 static int tags = TAGS_DEFAULT, unshallow, update_shallow;
 static int max_children = 1;
+static enum transport_family family;
 static const char *depth;
 static const char *upload_pack;
 static struct strbuf default_rla = STRBUF_INIT;
@@ -127,6 +128,10 @@ static struct option builtin_fetch_options[] = {
                 N_("accept refs that update .git/shallow")),
        { OPTION_CALLBACK, 0, "refmap", NULL, N_("refmap"),
          N_("specify fetch refmap"), PARSE_OPT_NONEG, parse_refmap_arg },
+       OPT_SET_INT('4', "ipv4", &family, N_("use IPv4 addresses only"),
+                       TRANSPORT_FAMILY_IPV4),
+       OPT_SET_INT('6', "ipv6", &family, N_("use IPv6 addresses only"),
+                       TRANSPORT_FAMILY_IPV6),
        OPT_END()
 };
 
@@ -864,6 +869,7 @@ static struct transport *prepare_transport(struct remote *remote)
        struct transport *transport;
        transport = transport_get(remote, NULL);
        transport_set_verbosity(transport, verbosity, progress);
+       transport->family = family;
        if (upload_pack)
                set_option(transport, TRANS_OPT_UPLOADPACK, upload_pack);
        if (keep)
@@ -1016,10 +1022,9 @@ static int add_remote_or_group(const char *name, struct string_list *list)
 
        git_config(get_remote_group, &g);
        if (list->nr == prev_nr) {
-               struct remote *remote;
-               if (!remote_is_configured(name))
+               struct remote *remote = remote_get(name);
+               if (!remote_is_configured(remote))
                        return 0;
-               remote = remote_get(name);
                string_list_append(list, remote->name);
        }
        return 1;
@@ -1110,7 +1115,7 @@ static int fetch_one(struct remote *remote, int argc, const char **argv)
        if (argc > 0) {
                int j = 0;
                int i;
-               refs = xcalloc(argc + 1, sizeof(const char *));
+               refs = xcalloc(st_add(argc, 1), sizeof(const char *));
                for (i = 0; i < argc; i++) {
                        if (!strcmp(argv[i], "tag")) {
                                i++;