Add release gulp task

gulpfile.js

@@ -0,0 +1,70 @@
+/*
+  Copyright (C) 2014 Yusuke Suzuki <utatane.tea@gmail.com>
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS'
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+  ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
+  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+'use strict';
+
+var gulp = require('gulp'),
+    git = require('gulp-git'),
+    bump = require('gulp-bump'),
+    filter = require('gulp-filter'),
+    tagVersion = require('gulp-tag-version');
+
+var TEST = [ 'test/*.js' ];
+var POWERED = [ 'powered-test/*.js' ];
+var SOURCE = [ 'src/**/*.js' ];
+
+/**
+ * Bumping version number and tagging the repository with it.
+ * Please read http://semver.org/
+ *
+ * You can use the commands
+ *
+ *     gulp patch     # makes v0.1.0 -> v0.1.1
+ *     gulp feature   # makes v0.1.1 -> v0.2.0
+ *     gulp release   # makes v0.2.1 -> v1.0.0
+ *
+ * To bump the version numbers accordingly after you did a patch,
+ * introduced a feature or made a backwards-incompatible release.
+ */
+
+function inc(importance) {
+    // get all the files to bump version in
+    return gulp.src(['./package.json'])
+        // bump the version number in those files
+        .pipe(bump({type: importance}))
+        // save it back to filesystem
+        .pipe(gulp.dest('./'))
+        // commit the changed version number
+        .pipe(git.commit('Bumps package version'))
+        // read only one file to get the version number
+        .pipe(filter('package.json'))
+        // **tag it in the repository**
+        .pipe(tagVersion({
+            prefix: ''
+        }));
+}
+
+gulp.task('patch', [ ], function () { return inc('patch'); })
+gulp.task('minor', [ ], function () { return inc('minor'); })
+gulp.task('major', [ ], function () { return inc('major'); })

package.json

@@ -23,7 +23,11 @@
     "chai": "^1.9.2",
     "jshint": "^2.5.6",
     "coffee-script": "^1.8.0",
-    "xyz": "^0.4.0"
+    "gulp": "^3.8.10",
+    "gulp-bump": "^0.1.11",
+    "gulp-filter": "^2.0.0",
+    "gulp-git": "^0.5.5",
+    "gulp-tag-version": "^1.2.1"
   },
   "licenses": [
     {
@@ -34,9 +38,6 @@
   "scripts": {
     "test": "npm run-script lint && npm run-script unit-test",
     "lint": "jshint estraverse.js",
-    "unit-test": "mocha --compilers coffee:coffee-script/register",
-    "release-major": "xyz --increment major --tag X.Y.Z",
-    "release-minor": "xyz --increment minor --tag X.Y.Z",
-    "release-patch": "xyz --increment patch --tag X.Y.Z"
+    "unit-test": "mocha --compilers coffee:coffee-script/register"
   }
 }