(function () {
    'use strict';

    var gulp = require('gulp');
    var less = require('gulp-less');
    var sourcemaps = require('gulp-sourcemaps');
    var uglify = require('gulp-uglify');
    var csso = require('gulp-csso');
    var jshint = require('gulp-jshint');
    var stylish = require('jshint-stylish');
    var jscs = require('gulp-jscs');
    var mocha = require('gulp-spawn-mocha');
    var mochaPhantomJS = require('gulp-mocha-phantomjs');
    var tar = require('gulp-tar');
    var gzip = require('gulp-gzip');
    var bumper = require('gulp-bump');
    var git = require('gulp-git');
    var shell = require('gulp-shell');
    var rename = require('gulp-rename');
    var fs = require('fs');
    var sequence = require('gulp-sequence');

    gulp.task('less', function () {
        return gulp.src('./*.less')
            .pipe(sourcemaps.init())
            .pipe(less())
            .pipe(csso())
            .pipe(sourcemaps.write('./'))
            .pipe(gulp.dest('./dist'));
    });

    gulp.task('lint', function () {
        return gulp.src('**/*.js')
            .pipe(jshint())
            .pipe(jshint.reporter(stylish));
    });

    /* gulp.task('style', function() {
      return gulp.src('**/
    /*.js')
        .pipe(jscs());
    });*/

    gulp.task('unit', function () {
        return gulp
            .src('test/index.html')
            .pipe(mochaPhantomJS());
    });

    gulp.task('bump-patch', bump('patch'));
    gulp.task('bump-minor', bump('minor'));
    gulp.task('bump-major', bump('major'));

    gulp.task('bower', function () {
        return gulp.src('./angular-object-diff.js')
            .pipe(gulp.dest('./dist'));
    });

    gulp.task('js', ['lint' /*, 'style'*/ , 'bower'], function () {
        return gulp.src('./angular-object-diff.js')
            .pipe(rename('angular-object-diff.min.js'))
            .pipe(sourcemaps.init())
            .pipe(uglify())
            .pipe(sourcemaps.write('./'))
            .pipe(gulp.dest('./dist'));
    });

    gulp.task('build', function () {
        return gulp.src(['dist/*', '!./dist/*.tar.gz'])
            .pipe(tar('angular-object-diff.js.tar'))
            .pipe(gzip({
                gzipOptions: {
                    level: 9
                }
            }))
            .pipe(gulp.dest('dist/'));
    });

    gulp.task('update', function (cb) {
        fs.readFile('./examples/index.template.html', 'utf8', function (err, file) {
            if (err) return cb(err);
            file = file.replace('<!-- version -->', version());
            fs.writeFile('./examples/index.html', file, cb);
        });
    });

    gulp.task('git-commit', function () {
        var v = 'update to version ' + version();
        gulp.src(['./dist/*', './examples/*', './test/*', './package.json', './bower.json', './angular-object-diff.js', './angular-object-diff.less'])
            .pipe(git.add())
            .pipe(git.commit(v));
    });

    gulp.task('git-push', function (cb) {
        var v = version();
        git.push('origin', 'master', function (err) {
            if (err) return cb(err);
            git.tag(v, v, function (err) {
                if (err) return cb(err);
                git.push('origin', 'master', {
                    args: '--tags'
                }, cb);
            });
        });
    });

    gulp.task('git-demo', function (cb) {
        var v = version();
        git.checkout('gh-pages', function (err) {
            if (err) return cb(err);
            git.reset('master', {
                args: '--hard'
            }, function (err) {
                if (err) return cb(err);
                git.push('origin', 'gh-pages', function (err) {
                    if (err) return cb(err);
                    cb();
                });
            });
        });
    });

    gulp.task('npm', shell.task([
        'npm publish'
    ]));

    gulp.task('watch', function () {
        gulp.watch('./*.js', ['js']);
        gulp.watch('./*.less', ['less']);
        return true;
    });

    function bump(level) {
        return function () {
            return gulp.src(['./package.json', './bower.json'])
                .pipe(bumper({
                    type: level
                }))
                .pipe(gulp.dest('./'));
        };
    }

    function version() {
        return JSON.parse(fs.readFileSync('package.json', 'utf8')).version;
    }

    gulp.task('default', sequence('check', ['less', 'js'], 'build'));
    gulp.task('test', sequence('unit' /*, 'integration'*/ ));
    gulp.task('check', sequence(['lint' /*, 'style'*/ ], 'test'));
    gulp.task('publish', sequence(['git-commit', 'git-push', 'git-demo', 'npm']));
    gulp.task('deploy-patch', sequence('default', 'bump-patch', /*'update',*/ 'publish'));
    gulp.task('deploy-minor', sequence('default', 'bump-minor', /*'update',*/ 'publish'));
    gulp.task('deploy-major', sequence('default', 'bump-patch', /*'update',*/ 'publish'));

})();
@@ -3753,19 +3753,41 @@
         
+git.checkout('master', 
 cb
-(
 );%0A     

update gulpfile