support to read settings from a specified file

README.md

@@ -36,10 +36,12 @@ cortexJson.read('/path/to/your/repo', function(err, json){
 });
 ```
 
-### cortexJson.extra(cwd, callback)
+### cortexJson.extra(cwd, [options,] callback)
 
 This method is different from `cortexJson.read()` that it will validate some stuff and flavors the object with some default values which cortex registry needs.
 
+If `options.file` is provided, it will be used as `cortex.json` directly.
+
 ### cortexJson.clean(cwd, json, callback)
 
 Cleans and validate the `json`.

index.js

@@ -85,7 +85,17 @@ exports.read = function(cwd, callback, use_inherits) {
 };
 
 
-exports.extra = function (cwd, callback) {
+exports.extra = function (cwd, options, callback) {
+  if (typeof options === 'function') {
+    callback = options;
+    options = {};
+  }
+
+  if (options.file) {
+    // just read this file as `cortex.json`
+    read(options.file, callback);
+    return;
+  }
   exports._extra(cwd, callback);
 };
 

test/fixtures/mycortex.json

@@ -0,0 +1,35 @@
+{
+  "name": "myfoo",
+  "version": "1.0.0",
+  "description": "test package",
+  "keywords": [
+    "cortex",
+    "commonjs",
+    "dev",
+    "development",
+    "package",
+    "manager",
+    "web",
+    "server",
+    "scaffold"
+  ],
+  "author": "kael",
+  "dependencies": {
+    "bar": "~2.0.0"
+  },
+  "engines": {
+  },
+  "bin": {
+    "cortex": "bin/cortex-cli.js"
+  },
+  "devDependencies": {
+  },
+  "scripts": {
+    "prebuild": "grunt"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:kaelzhang/cortex.git"
+  },
+  "license": "MIT"
+}

test/read-cortex-json.js

@@ -112,6 +112,18 @@ describe("helper.read(cwd)", function() {
 });
 
 
+describe("helper.extra(cwd)", function() {
+  it("will use options.file if provided", function(done) {
+    var dir = make(['mycortex.json']);
+
+    helper.extra(dir, {file: node_path.join(dir, 'mycortex.json')}, function(err, helper) {
+      expect(helper.name).to.equal('myfoo');
+      done();
+    });
+  });
+});
+
+
 describe("helper.save(cwd, json)", function() {
   var new_version = '10.3.4';