Added indexJson hook which normalizes data.

The official skimdb mirror (which we're supposed to use) contains
older documents which do not match the SemVer specification. In
order to ensure that the documents that we mirror match those
available on registry.npmjs.org, this hook passes them through npm's
`normalize-registry-metadata` package for sanitation.

README.md

@@ -4,6 +4,9 @@ AFS-based NPM mirrors. It is maintained by OpenStack's Infrastructure team.
 
 ## Provided Hooks
 
+#### indexJson
+The official skimdb mirror (which we're supposed to use) contains older documents which do not match the SemVer specification. In order to ensure that the documents that we mirror match those available on registry.npmjs.org, this hook passes them through npm's `normalize-registry-metadata` package for sanitation.
+
 #### afterAll
 After each package is processed, the script will check the overall 
 synchronization status of the mirror. If it detects that the mirror is up to 

index.js

@@ -34,7 +34,7 @@
     /**
      * Called before writing a package's main index.json.
      */
-    indexJson: noop,
+    indexJson: require('./lib/index_json'),
 
     /**
      * Called before writing the index.json for a particular package version.

lib/index_json.js

@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2016 Hewlett Packard Enterprise Development Company, LP
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License. You may obtain
+ * a copy of the License at
+ *
+ * 	http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ */
+(function () {
+  'use strict';
+
+  var clean = require('normalize-registry-metadata');
+
+  module.exports = function (data, cb) {
+    data.json = clean(data.json);
+    cb(null, true);
+  };
+})();

package.json

@@ -4,7 +4,9 @@
   "version": "1.0.1",
   "description": "registry-static procedural hooks for OpenStack's NPM mirror.",
   "main": "index.js",
-  "dependencies": {},
+  "dependencies": {
+    "normalize-registry-metadata": "1.1.2"
+  },
   "devDependencies": {
     "eslint": "^1.5.0",
     "eslint-config-openstack": "^1.2.4",

spec/index.js

@@ -52,9 +52,8 @@
     it('should noop on most methods', function () {
       var hooks = require('../index');
 
-      var methods = ['beforeAll', 'globalIndexJson', 'indexJson',
-                     'versionJson', 'tarball', 'afterTarball', 'startup',
-                     'shasumCheck'];
+      var methods = ['beforeAll', 'globalIndexJson', 'versionJson', 'tarball',
+                     'afterTarball', 'startup', 'shasumCheck'];
       methods.forEach(function (methodName) {
         var data = {};
         var cb = jasmine.createSpy('spy');
@@ -65,40 +64,58 @@
       });
     });
 
-    it('should noop on afterAll if the sequences do not match',
-      function () {
-        var hooks = require('../index');
+    describe('afterAll', function () {
+      it('should noop on afterAll if the sequences do not match',
+        function () {
+          var hooks = require('../index');
+          var cb = jasmine.createSpy('spy');
+          var data = {seq: 2, latestSeq: 20};
+
+          hooks.afterAll.call(boundScope, data, cb);
+
+          expect(procSpy).not.toHaveBeenCalled();
+          expect(cb).toHaveBeenCalledWith(null, true);
+        });
+
+      it('should not error if sequences are not defined',
+        function () {
+          var hooks = require('../index');
+          var cb = jasmine.createSpy('spy');
+          var data = {};
+
+          hooks.afterAll.call(boundScope, data, cb);
+
+          expect(procSpy).not.toHaveBeenCalled();
+          expect(cb).toHaveBeenCalledWith(null, true);
+        });
+
+      it('should process.exit() if sequences match',
+        function () {
+          var hooks = require('../index');
+          var cb = jasmine.createSpy('spy');
+          var data = {seq: 20, latestSeq: 20};
+
+          hooks.afterAll.call(boundScope, data, cb);
+
+          expect(procSpy).toHaveBeenCalledWith(0);
+        });
+    });
+
+    describe('indexJson', function () {
+      it('should sanitize versions', function () {
+        var shellJsData = require('./helpers/shelljs.json');
+        var oldKeys = Object.keys(shellJsData.json.versions);
         var cb = jasmine.createSpy('spy');
-        var data = {seq: 2, latestSeq: 20};
 
-        hooks.afterAll.call(boundScope, data, cb);
+        expect(oldKeys).toContain('0.0.1alpha1');
 
-        expect(procSpy).not.toHaveBeenCalled();
-        expect(cb).toHaveBeenCalledWith(null, true);
+        var indexJsonHook = require('../lib/index_json');
+        indexJsonHook(shellJsData, cb);
+        var newKeys = Object.keys(shellJsData.json.versions);
+
+        expect(newKeys).toContain('0.0.1-alpha1');
+        expect(newKeys).not.toContain('0.0.1alpha1');
       });
-
-    it('should not error if sequences are not defined',
-      function () {
-        var hooks = require('../index');
-        var cb = jasmine.createSpy('spy');
-        var data = {};
-
-        hooks.afterAll.call(boundScope, data, cb);
-
-        expect(procSpy).not.toHaveBeenCalled();
-        expect(cb).toHaveBeenCalledWith(null, true);
-      });
-
-    it('should process.exit() if sequences match',
-      function () {
-        var hooks = require('../index');
-        var cb = jasmine.createSpy('spy');
-        var data = {seq: 20, latestSeq: 20};
-
-        hooks.afterAll.call(boundScope, data, cb);
-
-        expect(procSpy).toHaveBeenCalledWith(0);
-      });
-
+    });
   });
 })();