Added ability to disable file saving for specific tiddlers

editions/clientserver/tiddlywiki.info

@@ -3,6 +3,12 @@
 		"tiddlywiki/tiddlyweb",
 		"tiddlywiki/filesystem"
 	],
+	"doNotSave": [
+		"$:/StoryList",
+		"$:/HistoryList",
+		"$:/status/IsLoggedIn",
+		"$:/status/UserName"
+	],
 	"includeWikis": [
 		"../tw5.com"
 	]

plugins/tiddlywiki/filesystem/filesystemadaptor.js

@@ -101,7 +101,10 @@ FileSystemAdaptor.prototype.saveTiddler = function(tiddler,callback) {
 		if(err) {
 			return callback(err);
 		}
-		if(fileInfo.hasMetaFile) {
+		if($tw.boot.wikiInfo.doNotSave && $tw.boot.wikiInfo.doNotSave.indexOf(tiddler.fields.title) !== -1) {
+			// Don't save the tiddler if it's on the blacklist
+			callback(null,{},0);
+		} else if(fileInfo.hasMetaFile) {
 			// Save the tiddler as a separate body and meta file
 			var typeInfo = $tw.config.contentTypeInfo[fileInfo.type];
 			fs.writeFile(fileInfo.filepath,tiddler.fields.text,{encoding: typeInfo.encoding},function(err) {