update watchers when renaming files

plugins/c9.fs/fs.cache.xml.js

@@ -254,7 +254,7 @@ define(function(require, exports, module) {
                     };
                     e.confirm = function () {
                         if (node.status === "predicted")
-                            node.status = "loaded";
+                            node.status = "pending";
                     };
                     node.status = "predicted";
                 }
@@ -348,7 +348,7 @@ define(function(require, exports, module) {
                     }
                     
                     if (node.status === "predicted")
-                        node.status = "loaded";
+                        node.status = "pending";
                 };
                 node.status = "predicted";
             }, plugin);
@@ -382,7 +382,7 @@ define(function(require, exports, module) {
                 };
                 e.confirm = function() {
                     if (node.status === "predicted")
-                        node.status = "loaded";
+                        node.status = "pending";
                 };
                 node.status = "predicted";
             }, plugin);

plugins/c9.ide.watcher/watcher.js

@@ -48,8 +48,23 @@ define(function(require, exports, module) {
             
             fs.on("beforeWriteFile", ignoreHandler, plugin);
             fs.on("afterWriteFile", doneHandler, plugin);
-            fs.on("beforeRename", ignoreHandler, plugin);
-            fs.on("afterRename", doneHandler, plugin);
+            fs.on("beforeRename", function(e) {
+                e.watchers = [];
+                Object.keys(handlers).forEach(function(path) {
+                    if (path == e.path || path.startsWith(e.path + "/")) {
+                        if (unwatch(path))
+                            e.watchers.push(path.slice(e.path.length));
+                    }
+                });
+                ignoreHandler(e);
+            }, plugin);
+            fs.on("afterRename",  function(e) {
+                doneHandler(e);
+                var toPath = e.result[0] ? e.path : e.args[1];
+                e.watchers.forEach(function(path) {
+                    watch(toPath + path);
+                });
+            }, plugin);
             fs.on("beforeMkdir", ignoreHandler, plugin);
             fs.on("afterMkdir", doneHandler, plugin);
             fs.on("beforeMkdirP", ignoreHandler, plugin);
@@ -224,6 +239,7 @@ define(function(require, exports, module) {
                     fs.unwatch(path, handlers[path]);
                     emit("unwatch", { path: path });
                     delete handlers[path];
+                    return true;
                 } else {
                     handlers[path].unwatchScheduled = true;
                 }