New concat option to add to concat config automatically

README.md

@@ -76,6 +76,17 @@ concat: {
   }
 }
 ```
+or let `ngtemplates` do it dynamically via the `updatetask` options.  This is particularly useful if you're using a task that dynamically populates your concat configuration like [grunt-usemin](https://github.com/yeoman/grunt-usemin).
+
+```js
+myapp:        {
+  options:    {
+    updatetask:{task: 'concat', target: 'dist/app.js'} //Will append 'dist/template.js' to a concat config for 'dist/app.js'
+  },
+  src:        [ 'src/views/**.html' ],
+  dest:       'dist/templates.js'
+}
+```
 
 
 ## Changelog

tasks/angular-templates.js

@@ -9,6 +9,7 @@
 'use strict';
 
 var path = require('path');
+var util = require('util');
 
 module.exports = function(grunt) {
 
@@ -19,13 +20,37 @@ module.exports = function(grunt) {
     var files     = grunt.file.expand(this.files[0].src);
     var dest      = path.normalize(this.files[0].dest);
     var done      = this.async();
+    var options   = this.options();
 
-    compiler.compile(id, this.options(), files, function(err, compiled) {
+    compiler.compile(id, options, files, function(err, compiled) {
       if (err) {
         done(false);
       } else {
         grunt.file.write(dest, compiled);
         grunt.log.writeln('File ' + dest.cyan + ' created.');
+
+        if (options.updatetask){
+          if (!options.updatetask.task || !options.updatetask.target){
+            grunt.log.error('Incorrect configuration. updatetask is missing \'task\' or \'target\'.');
+            done(false);
+            return;
+          }
+          var task = grunt.config(options.updatetask.task) || {};
+          var target = task[options.updatetask.target];
+          if (grunt.util.kindOf(target) === 'object'){
+            target = target.src;
+          }
+          if (grunt.util.kindOf(target) !== 'array'){
+            grunt.log.error('Unable to update '+options.updatetask.task+' config. Unable to find valid config for ' + options.updatetask.target.cyan + '.');
+            done(false);
+            return;
+          } else {
+            target.push(dest);
+            grunt.config(options.updatetask.task,task);
+            grunt.log.subhead('Updating '+options.updatetask.task+' config. Config is now:').writeln('   ' + util.inspect(target,false,4,true));
+          }
+        }
+
         done();
       }
     });