Convert remaining callers of lookup_commit_reference* to object_id

diff --git a/transport-helper.c b/transport-helper.c
index 1258d6aedd26538f55c60495a61608236262cfc1..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) {