Fix some warnings about undefined values

src/lib/Hydra/Controller/Root.pm

@@ -194,6 +194,13 @@ sub nar :Local :Args(1) {
     $c->stash->{storePath} = $path;
 }
 
+
+sub narinfo :Path('*.narinfo') {
+    my ($self, $c) = @_;
+    $c->stash->{current_view} = 'NixInfo';
+}
+
+
 sub change_password : Path('change-password') : Args(0) {
     my ($self, $c) = @_;
 
@@ -202,6 +209,7 @@ sub change_password : Path('change-password') : Args(0) {
     $c->stash->{template} = 'change-password.tt';
 }
 
+
 sub change_password_submit : Path('change-password/submit') : Args(0) {
     my ($self, $c) = @_;
 
@@ -219,6 +227,7 @@ sub change_password_submit : Path('change-password/submit') : Args(0) {
     $c->res->redirect("/");
 }
 
+
 sub logo :Local {
     my ($self, $c) = @_;
     my $path = $ENV{"HYDRA_LOGO"} or die("Logo not set!");