Logs: module{	PATH:	con "/dis/install/logs.dis"; 	Entry: adt	{		seq:	big;	# time<<32 | gen		action:	int;		path:	string;		serverpath:	string;		x:	int;		d:	Sys->Dir;		contents:	list of string;	# MD5 hash of content, most recent first 		read:	fn(in: ref Bufio->Iobuf): (ref Entry, string);		remove:	fn(e: self ref Entry);		removed:	fn(e: self ref Entry): int;		update:	fn(e: self ref Entry, n: ref Entry);		text:	fn(e: self ref Entry): string;		dbtext:	fn(e: self ref Entry): string;		sumtext:	fn(e: self ref Entry): string;		logtext:	fn(e: self ref Entry): string;	}; 	Db: adt	{		name:	string;		state:	array of ref Entry;		nstate:	int;		stateht:	array of list of ref Entry; 		new:	fn(name: string): ref Db;		entry:	fn(db: self ref Db, seq: big, name: string, d: Sys->Dir): ref Entry;		look:	fn(db: self ref Db, name: string): ref Entry;		sort:	fn(db: self ref Db, byname: int);	}; 	Byseq, Byname: con iota; 	init:	fn(bio: Bufio): string; 	S:	fn(s: string): string;	mkpath:	fn(root: string, name: string): string;};