If the path to init is not specified as an argumnt to systemctl, but
init= is given on the kernel commandline, use that.
This means the initrd does not need glue code to parse the kernel
commandline before passing on init= to systemctl.
Cc: Harald Hoyer <harald@redhat.com>
Cc: Dave Reisner <dreisner@archlinux.org>
static int switch_root(DBusConnection *bus, char **args) {
unsigned l;
- const char *root, *init;
+ const char *root;
+ _cleanup_free_ char *init = NULL;
l = strv_length(args);
if (l < 2 || l > 3) {
}
root = args[1];
- init = l >= 3 ? args[2] : "";
+
+ if (l >= 3)
+ init = strdup(args[2]);
+ else {
+ parse_env_file("/proc/cmdline", WHITESPACE,
+ "init", &init,
+ NULL);
+
+ if (!init)
+ init = strdup("");
+
+ if (!init)
+ return log_oom();
+
+ }
+
+ log_debug("switching root - root: %s; init: %s", root, init);
return bus_method_call_with_reply (
bus,