Fix "tusk clone" and readSources()

lib/narwhal/tusk.js

@@ -128,7 +128,7 @@ exports.readSources = function () {
             "sources file is out of date.  version " +
             exports.minCatalogVersion + " is required."
         );
-    sources.packages = sources.packages || {};
+    sources.sources = sources.sources || {};
     return sources;
 };
 

lib/narwhal/tusk/commands/clone.js

@@ -21,22 +21,27 @@ parser.option('-u', '--user', 'user')
     .help('overrides the user name from which to clone the package')
     .set();
 
+
 parser.action(function (options) {
+    exports.clone.call(this, options, options.args);
+});
+
+exports.clone = function (options, names) {
     var self = this;
-    if (!util.len(options.args))
+    if (!util.len(names))
         throw new Error("Package name required");
     var packagesDirectory = tusk.getPackagesDirectory();
-    var sources = tusk.readSources().packages;
+    var sources = tusk.readSources().sources;
     var catalog = tusk.readCatalog().packages;
     var owner = options.owner;
-    options.args.forEach(function (name) {
+    names.forEach(function (name) {
         if (!util.has(sources, name))
             throw new Error("Package does not exist: " + name);
         var source = util.get(sources, name);
         if (source.type !== "github")
             throw new Error("Package " + util.enquote(name) + " is not a Github package.");
     });
-    options.args.forEach(function (name) {
+    names.forEach(function (name) {
         var source = util.get(sources, name);
         var githubName = util.get(source, 'name', name);
         var user = options.user || source.user;
@@ -62,7 +67,7 @@ parser.action(function (options) {
         }).join(' ') + '\0)');
         os.system(command);
     });
-});
+};
 
 parser.helpful();