1 files changed, 21 insertions, 5 deletions

diff --git a/Gruntfile.js b/Gruntfile.js
index 97f4ec4c0..beacc3cc8 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -3,6 +3,7 @@
 module.exports = function(grunt) {
   "use strict";
 
+  RegExp.quote = require('regexp-quote')
   var btoa = require('btoa')
   // Project configuration.
   grunt.initConfig({
@@ -10,11 +11,9 @@ module.exports = function(grunt) {
     // Metadata.
     pkg: grunt.file.readJSON('package.json'),
     banner: '/*!\n' +
-              ' * Bootstrap v<%= pkg.version %> by @fat and @mdo\n' +
+              ' * Bootstrap v<%= pkg.version %> (http://getbootstrap.com)\n' +
               ' * Copyright <%= grunt.template.today("yyyy") %> <%= pkg.author %>\n' +
               ' * Licensed under <%= _.pluck(pkg.licenses, "url").join(", ") %>\n' +
-              ' *\n' +
-              ' * Designed and built with all the love in the world by @mdo and @fat.\n' +
               ' */\n\n',
     jqueryCheck: 'if (typeof jQuery === "undefined") { throw new Error("Bootstrap requires jQuery") }\n\n',
 
@@ -134,8 +133,8 @@ module.exports = function(grunt) {
       options: {
         reset: true,
         relaxerror: [
-            "Bad value X-UA-Compatible for attribute http-equiv on element meta.",
-            "Element img is missing required attribute src."
+          "Bad value X-UA-Compatible for attribute http-equiv on element meta.",
+          "Element img is missing required attribute src."
         ]
       },
       files: {
@@ -156,6 +155,17 @@ module.exports = function(grunt) {
         files: 'less/*.less',
         tasks: ['recess']
       }
+    },
+
+    sed: {
+      versionNumber: {
+        pattern: (function () {
+          var old = grunt.option('oldver')
+          return old ? RegExp.quote(old) : old
+        })(),
+        replacement: grunt.option('newver'),
+        recursive: true
+      }
     }
   });
 
@@ -173,6 +183,7 @@ module.exports = function(grunt) {
   grunt.loadNpmTasks('grunt-html-validation');
   grunt.loadNpmTasks('grunt-jekyll');
   grunt.loadNpmTasks('grunt-recess');
+  grunt.loadNpmTasks('grunt-sed');
 
   // Docs HTML validation task
   grunt.registerTask('validate-html', ['jekyll', 'validation']);
@@ -203,6 +214,11 @@ module.exports = function(grunt) {
   // Default task.
   grunt.registerTask('default', ['test', 'dist', 'build-customizer']);
 
+  // Version numbering task.
+  // grunt change-version-number --oldver=A.B.C --newver=X.Y.Z
+  // This can be overzealous, so its changes should always be manually reviewed!
+  grunt.registerTask('change-version-number', ['sed']);
+
   // task for building customizer
   grunt.registerTask('build-customizer', 'Add scripts/less files to customizer.', function () {
     var fs = require('fs')