tusk install --force

lib/narwhal/tusk/install.js

@@ -14,11 +14,10 @@ parser.help('downloads and installs a package and its dependencies');
 
 parser.args('package');
 
-/*
 parser.option('-f', '--force', 'force')
     .bool()
     .help('causes packages to be installed in the project packages directory regardless of whether they are installed elsewhere');
-
+/*
 parser.option('-l', '--lean', 'lean')
     .bool()
     .help('causes only the essential components of the library to be installed.');
@@ -116,7 +115,7 @@ exports.install = function (options, names) {
     }
 
     // note missing packages
-    var missing = exports.missing(packages.catalog, dependencies);
+    var missing = exports.missing(packages.catalog, dependencies, options);
     if (!missing.length) {
         print('No new packages to install.');
         this.exit();
@@ -155,6 +154,14 @@ exports.install = function (options, names) {
             notes[name].requester = "module";
         try {
             var targetPath = tusk.getDirectory().join('packages', name);
+            if (targetPath.exists()) {
+                if (options.force) {
+                    targetPath.rmtree();
+                } else {
+                    print("Error: Directory exists: "+targetPath);
+                    return;
+                }
+            }
 
             var components = catalog.packages[name].location.match(/^file:\/\/(.*)$/);
             if (components) {
@@ -265,7 +272,9 @@ exports.already = function (catalog, names) {
     });
 };
 
-exports.missing = function (catalog, names) {
+exports.missing = function (catalog, names, options) {
+    if (options.force)
+        return names;
     return names.filter(function (packageName) {
         return !util.has(catalog, packageName);
     });