submodule-config: verify submodule names as paths

diff --git a/transport-helper.c b/transport-helper.c
index 91aed35ebbc3cbb4fb9acbad55ab3de69e62d9f5..36408046eb28d8af3c90614f73ee8112855b4677 100644 (file)
--- a/transport-helper.c
+++ b/transport-helper.c
@@ -124,8 +124,9 @@ static struct child_process *get_helper(struct transport *transport)
        helper->git_cmd = 0;
        helper->silent_exec_failure = 1;
 
-       argv_array_pushf(&helper->env_array, "%s=%s", GIT_DIR_ENVIRONMENT,
-                        get_git_dir());
+       if (have_git_dir())
+               argv_array_pushf(&helper->env_array, "%s=%s",
+                                GIT_DIR_ENVIRONMENT, get_git_dir());
 
        code = start_command(helper);
        if (code < 0 && errno == ENOENT)
@@ -346,14 +347,11 @@ static int set_helper_option(struct transport *transport,
 static void standard_options(struct transport *t)
 {
        char buf[16];
-       int n;
        int v = t->verbose;
 
        set_helper_option(t, "progress", t->progress ? "true" : "false");
 
-       n = snprintf(buf, sizeof(buf), "%d", v + 1);
-       if (n >= sizeof(buf))
-               die("impossibly large verbosity value");
+       xsnprintf(buf, sizeof(buf), "%d", v + 1);
        set_helper_option(t, "verbosity", buf);
 
        switch (t->family) {
@@ -826,6 +824,13 @@ static void set_common_push_options(struct transport *transport,
                if (set_helper_option(transport, TRANS_OPT_PUSH_CERT, "if-asked") != 0)
                        die("helper %s does not support --signed=if-asked", name);
        }
+
+       if (flags & TRANSPORT_PUSH_OPTIONS) {
+               struct string_list_item *item;
+               for_each_string_list_item(item, transport->push_options)
+                       if (set_helper_option(transport, "push-option", item->string) != 0)
+                               die("helper %s does not support 'push-option'", name);
+       }
 }
 
 static int push_refs_with_push(struct transport *transport,