systemctl: suggest 'systemctl daemon-reload' without --system

[elogind.git] / src / systemctl / systemctl.c

diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index 56021a6889b33ff45d5583dcbc4f773689cac669..6a4c2d69002921c5d9965f9ae649f3a6e6225047 100644 (file)
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -1913,8 +1913,8 @@ static int start_unit_one(
         }
 
         if (need_daemon_reload(bus, n))
-                log_warning("Warning: Unit file of %s changed on disk, 'systemctl %s daemon-reload' recommended.",
-                            n, arg_scope == UNIT_FILE_SYSTEM ? "--system" : "--user");
+                log_warning("Warning: Unit file of %s changed on disk, 'systemctl %sdaemon-reload' recommended.",
+                            n, arg_scope == UNIT_FILE_SYSTEM ? "" : "--user ");
 
         if (s) {
                 char *p;
@@ -2974,10 +2974,10 @@ static void print_status_info(UnitStatusInfo *i) {
         }
 
         if (i->need_daemon_reload)
-                printf("\n%sWarning:%s Unit file changed on disk, 'systemctl %s daemon-reload' recommended.\n",
+                printf("\n%sWarning:%s Unit file changed on disk, 'systemctl %sdaemon-reload' recommended.\n",
                        ansi_highlight_red(true),
                        ansi_highlight_red(false),
-                       arg_scope == UNIT_FILE_SYSTEM ? "--system" : "--user");
+                       arg_scope == UNIT_FILE_SYSTEM ? "" : "--user ");
 }
 
 static void show_unit_help(UnitStatusInfo *i) {
@@ -4462,6 +4462,51 @@ finish:
         return r;
 }
 
+static int set_log_level(DBusConnection *bus, char **args) {
+        _cleanup_dbus_error_free_ DBusError error;
+        _cleanup_dbus_message_unref_ DBusMessage *m = NULL, *reply = NULL;
+        DBusMessageIter iter, sub;
+        const char* property = "LogLevel";
+        const char* interface = "org.freedesktop.systemd1.Manager";
+        const char* value;
+
+        assert(bus);
+        assert(args);
+
+        value = args[1];
+        dbus_error_init(&error);
+
+        m = dbus_message_new_method_call("org.freedesktop.systemd1",
+                                         "/org/freedesktop/systemd1",
+                                         "org.freedesktop.DBus.Properties",
+                                         "Set");
+        if (!m)
+                return log_oom();
+
+        dbus_message_iter_init_append(m, &iter);
+
+        if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &interface) ||
+            !dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &property) ||
+            !dbus_message_iter_open_container(&iter, DBUS_TYPE_VARIANT, "s", &sub))
+                return log_oom();
+
+        if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &value)) {
+                dbus_message_iter_abandon_container(&iter, &sub);
+                return log_oom();
+        }
+
+        if (!dbus_message_iter_close_container(&iter, &sub))
+                return log_oom();
+
+        reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
+        if (!reply) {
+                log_error("Failed to issue method call: %s", bus_error_message(&error));
+                return -EIO;
+        }
+
+        return 0;
+}
+
 static int unit_is_enabled(DBusConnection *bus, char **args) {
         _cleanup_dbus_error_free_ DBusError error;
         int r;
@@ -5707,6 +5752,7 @@ static int systemctl_main(DBusConnection *bus, int argc, char *argv[], DBusError
                 { "list-dependencies",     LESS,  2, list_dependencies },
                 { "set-default",           EQUAL, 2, enable_unit       },
                 { "get-default",           LESS,  1, get_default       },
+                { "set-log-level",         EQUAL, 2, set_log_level     },
         };
 
         int left;