feat(docs): added support for the doc app to show its associated Git …

…SHA id/link

Gulp mods still needed to to inject the SHA value into the JSON file.

docs/app/css/style.css

@@ -228,3 +228,14 @@ ul li:first-child {
   font-weight: bold;
   text-transform: uppercase;
 }
+
+
+.version {
+    font-size:9pt;
+    color:#ffffff;
+    position: absolute;
+    top: 65px;
+    left: 104px;
+    text-decoration: underline;
+    opacity: 0.6;
+}

docs/app/index.html

@@ -17,6 +17,7 @@
     <material-toolbar class="material-theme-light material-medium-tall">
       <h1 class="material-toolbar-tools" style="padding-top:25px;">
         <a href="#" ng-click="goHome()">Angular<br/>Material Design</a>
+        <span class="version"><a ng-href="{{versionURL}}" target="_blank">{{version}}</a></span>
       </h1>
     </material-toolbar>
 

docs/app/js/app.js

@@ -140,7 +140,12 @@ function(COMPONENTS, $location, $rootScope) {
   '$materialDialog',
   'menu',
   '$location',
-function($scope, COMPONENTS, $materialSidenav, $timeout, $materialDialog, menu, $location) {
+  '$http',
+function($scope, COMPONENTS, $materialSidenav, $timeout, $materialDialog, menu, $location, $http ) {
+
+  $scope.version = "";
+  $scope.versionURL = "";
+
   $scope.goToUrl = function(p) {
     window.location = p;
   };
@@ -171,6 +176,22 @@ function($scope, COMPONENTS, $materialSidenav, $timeout, $materialDialog, menu,
     });
   };
 
+  // Load build version information; to be
+  // used in the header bar area
+  var now = Math.round(new Date().getTime()/1000);
+  var versionFile = "version.json" + "?ts=" + now;
+
+  $http.get("version.json")
+    .then(function(response){
+      var sha = response.data.sha || "";
+      var url = response.data.url;
+
+      if ( sha != "" ) {
+        $scope.versionURL = url + sha;
+        $scope.version = sha.substr(0,6);
+      }
+    });
+
 
   COMPONENTS.forEach(function(component) {
     component.demos && component.demos.forEach(function(demo) {

docs/app/version.json

@@ -0,0 +1,6 @@
+{
+  "sha" : "",
+  "url" : "https://github.com/angular/material/commit/",
+
+  "_comment" : "Gulp tool should use command `git git rev-parse 'HEAD'` and inject SHA value above"
+}