chore(grunt): add grunt-bump to manage releases

Gruntfile.js

@@ -131,6 +131,22 @@ module.exports = function(grunt) {
       }
     },
 
+    bump: {
+      options: {
+        files: ['package.json'],
+        updateConfigs: ['pkg'],
+        commit: true,
+        commitMessage: 'Release v%VERSION%',
+        commitFiles: ['package.json', 'dist/'], // '-a' for all files
+        createTag: true,
+        tagName: 'v%VERSION%',
+        tagMessage: 'Version %VERSION%',
+        push: true,
+        pushTo: 'origin',
+        gitDescribeOptions: '--tags --always --abbrev=1 --dirty=-d' // options to use with '$ git describe'
+      }
+    },
+
     watch: {
       files: ['libs/*.js', 'src/*.js', 'Gruntfile.js'],
       tasks: ['concat', 'uglify', 'cssmin']
@@ -144,8 +160,16 @@ module.exports = function(grunt) {
   grunt.loadNpmTasks('grunt-contrib-uglify');
   grunt.loadNpmTasks('grunt-contrib-cssmin');
   grunt.loadNpmTasks('grunt-contrib-yuidoc');
+  grunt.loadNpmTasks('grunt-bump');
 
   // Default task.
-  grunt.registerTask('default', ['jshint', 'concat', 'uglify', 'cssmin', 'yuidoc']);
+  grunt.registerTask('default', ['jshint', 'concat', 'uglify', 'cssmin']);
+  grunt.registerTask('build', ['default']);
+  grunt.registerTask('docs', ['yuidoc']);
+
+  grunt.registerTask('release', ['build', 'bump-only:patch', 'build', 'docs', 'bump-commit']);
+  grunt.registerTask('release:minor', ['build', 'bump-only:minor', 'build', 'docs', 'bump-commit']);
+  grunt.registerTask('release:major', ['build', 'bump-only:major', 'build', 'docs', 'bump-commit']);
+  grunt.registerTask('release:git', ['build', 'bump-only:git', 'build', 'docs', 'bump-commit']);
 
 };

package.json

@@ -34,6 +34,7 @@
     "grunt-contrib-cssmin": "~0.5.0",
     "grunt-contrib-yuidoc": "~0.4.0",
     "bower": "~0.9.2",
-    "qunit": "~1.11.0"
+    "qunit": "~1.11.0",
+    "grunt-bump": "0.0.11"
   }
 }