submodule: use prepare_submodule_repo_env consistently

diff --git a/builtin/clone.c b/builtin/clone.c
index a7c8def8cb7199e82acad9e94bb01d93ba4ef0fb..b8c39aa701d6fd53f5bbb121ef9b9f0e77ca9d6d 100644 (file)
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -47,6 +47,7 @@ static const char *real_git_dir;
 static char *option_upload_pack = "git-upload-pack";
 static int option_verbosity;
 static int option_progress = -1;
+static enum transport_family family;
 static struct string_list option_config;
 static struct string_list option_reference;
 static int option_dissociate;
@@ -92,6 +93,10 @@ static struct option builtin_clone_options[] = {
                   N_("separate git dir from working tree")),
        OPT_STRING_LIST('c', "config", &option_config, N_("key=value"),
                        N_("set config inside the new repository")),
+       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()
 };
 
@@ -339,7 +344,7 @@ static void copy_alternates(struct strbuf *src, struct strbuf *dst,
        FILE *in = fopen(src->buf, "r");
        struct strbuf line = STRBUF_INIT;
 
-       while (strbuf_getline(&line, in, '\n') != EOF) {
+       while (strbuf_getline(&line, in) != EOF) {
                char *abs_path;
                if (!line.len || line.buf[0] == '#')
                        continue;
@@ -970,6 +975,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
        remote = remote_get(option_origin);
        transport = transport_get(remote, remote->url[0]);
        transport_set_verbosity(transport, option_verbosity, option_progress);
+       transport->family = family;
 
        path = get_repo_path(remote->url[0], &is_bundle);
        is_local = option_local != 0 && path && !is_bundle;