fix error in cs50 workspace

integrations/scripts/update.sh

@@ -0,0 +1,75 @@
+#!/bin/bash
+set -e
+cd `dirname $0`/..
+
+NAME=$1
+URL=$2
+if [ "$NAME" == "" ]; then
+    echo "add name [url]"
+    exit 0
+fi
+
+if [ "$URL" == "" ]; then
+    URL=git@github.com:c9/$NAME.git
+fi
+
+if [ -d $NAME/.git ]; then
+    pushd $NAME
+    OLD_URL=$(git config --get remote.origin.url)
+    if [ "$OLD_URL" != "$URL" ]; then
+        echo "folder $NAME exists and points to $OLD_URL"
+        exit 1
+    fi
+    git fetch origin
+    popd
+else
+    mkdir -p $NAME
+    git clone $URL $NAME
+fi
+
+pushd $NAME
+HASH=$(git rev-parse --revs-only refs/remotes/origin/master)
+popd
+
+[ -f ./config.json ] || echo "{}" > ./config.json
+node -e '
+    var name = "'$NAME'";
+    var url = "'$URL'";
+    var hash = "'$HASH'"
+    var fs = require("fs");
+    
+    function updateJSON(path, fn) {
+        var text = fs.readFileSync(path, "utf8");
+        var indent = text.match(/^\s*(?=")/m);
+        indent = indent && indent[0] || 4;
+        console.log(indent)
+        var r = JSON.parse(text);
+        r = fn(r) || r;
+        text = JSON.stringify(r, null, indent) + "\n";
+        fs.writeFileSync(path, text, "utf8");
+    }
+    
+    updateJSON("./config.json", function(config) {
+        var packages = config.packages || (config.packages = {});
+        config.packages[name] = {
+            name: name,
+            hash: hash,
+            url: url,
+        };
+    });
+    updateJSON("../package.json", function(package) {
+        var deps = package.dependencies;
+        console.log(deps[name], hash)
+        deps[name] = deps[name].replace(/#[a-f\d]+$/i, "#" + hash)
+        console.log(deps[name], hash)
+    });
+    updateJSON("../npm-shrinkwrap.json", function(package) {
+        var deps = package.dependencies;
+        deps[name].from = deps[name].from.replace(/#[a-f\d]+$/i, "#" + hash);
+        deps[name].resolved = deps[name].resolved.replace(/#[a-f\d]+$/i, "#" + hash);
+    });
+'
+
+rm -rf "../node_modules/$NAME"
+ln -s `pwd`/$NAME `pwd`/../node_modules/$NAME
+

plugins/c9.ide.panels/panel.js

@@ -368,7 +368,7 @@ define(function(require, module, exports) {
                 /**
                  * @property {HTMLElement} container
                  */
-                get container(){ return aml.$ext; },
+                get container(){ return aml && aml.$ext; },
                 
                 /**
                  * The area that this panel is a part of.

plugins/c9.ide.server/plugins.js

@@ -96,6 +96,20 @@ define(function(require, exports, module) {
                     };
                 }));
                 
+                try {
+                    statics.addStatics(
+                        fs.readdirSync(__dirname + "/../../integrations/").map(function(plugin) {
+                            if (/^scripts$|\.(json|sh)$/.test(plugin)) 
+                                return;
+                            return {
+                                path: __dirname + "/../../integrations/" + plugin,
+                                mount: "/plugins/" + plugin
+                            };
+                        }).filter(Boolean)
+                    );
+                } catch(e) {
+                }
+                
                 statics.addStatics(fs.readdirSync(__dirname + "/../")
                     .filter(function(path) {
                         if (path in blacklist)

plugins/c9.ide.tree/tree.js

@@ -1102,7 +1102,7 @@ define(function(require, exports, module) {
                         expandedList[id] = node;
                     }
                 });
-                callback(err);
+                callback && callback(err);
                 tree.provider.on("changeScrollTop", scrollHandler);
                 
                 emit("refreshComplete");