code: 9ferno

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capture the exception if /mnt/keys is not a mount

--- a/appl/cmd/styxlisten.b

+++ b/appl/cmd/styxlisten.b

@@ -97,7 +97,14 @@

 	if (c == nil)

 		error(sys->sprint("cannot announce on %s: %r", addr));

 	if(!trusted){

-		sys->unmount(nil, "/mnt/keys");	# should do for now

+		(ok, nil) := sys->stat("/mnt/keys");

+		if(ok == 0) {

+			{

+				sys->unmount(nil, "/mnt/keys");	# should do for now

+			} exception {

+				"*" => ; # ignore it

+			}

+		}

 		# become none?

 	}