If a symlink points to . then there will be an infinite recursion. The included patch fixes that.
--- notmuch-new.c.orig 2011-06-10 00:03:09.000000000 -0500 +++ notmuch-new.c 2011-06-10 02:10:37.000000000 -0500 @@ -233,6 +233,8 @@ struct stat st; notmuch_bool_t is_maildir, new_directory; const char **tag; + char lpath[PATH_MAX], filepath[PATH_MAX]; + size_t len; if (stat (path, &st)) { fprintf (stderr, "Error reading directory %s: %s\n", @@ -296,6 +298,14 @@ */ /* XXX: Eventually we'll want more sophistication to let the * user specify files to be ignored. */ + + if (entry->d_type == DT_LNK) { + snprintf(filepath, sizeof(filepath), "%s/%s", path, entry->d_name); + if ((len = readlink(filepath, lpath, sizeof(lpath))) > 0) + if (strncmp(lpath, ".", len-1) == 0) + continue; + } + if (strcmp (entry->d_name, ".") == 0 || strcmp (entry->d_name, "..") == 0 || (is_maildir && strcmp (entry->d_name, "tmp") == 0) ||