Add --hush switch.

New --hush command-line option similar to --quiet.  While --quiet disables all
logging to the console on startup, --hush limits the output to messages of
warning and error severity.


svn:r14222

src/or/config.c

@@ -1343,7 +1343,8 @@ config_get_commandlines(int argc, char **argv, config_line_t **result)
     } else if (!strcmp(argv[i],"--list-fingerprint") ||
                !strcmp(argv[i],"--verify-config") ||
                !strcmp(argv[i],"--ignore-missing-torrc") ||
-               !strcmp(argv[i],"--quiet")) {
+               !strcmp(argv[i],"--quiet") ||
+               !strcmp(argv[i],"--hush")) {
       i += 1; /* command-line option. ignore it. */
       continue;
     } else if (!strcmp(argv[i],"--nt-service") ||

src/or/main.c

@@ -1780,12 +1780,21 @@ tor_init(int argc, char *argv[])
   /* We search for the "quiet" option first, since it decides whether we
    * will log anything at all to the command line. */
   for (i=1;i<argc;++i) {
-    if (!strcmp(argv[i], "--quiet"))
+    if (!strcmp(argv[i], "--hush"))
       quiet = 1;
+    if (!strcmp(argv[i], "--quiet"))
+      quiet = 2;
   }
-  if (!quiet) {
-    /* give it somewhere to log to initially */
-    add_temp_log();
+ /* give it somewhere to log to initially */
+  switch (quiet) {
+    case 2:
+      /* no initial logging */
+      break;
+    case 1:
+      add_temp_log(LOG_WARN);
+      break;
+    default:
+      add_temp_log(LOG_NOTICE);
   }
 
   log(LOG_NOTICE, LD_GENERAL, "Tor v%s. This is experimental software. "