Drop dependency on deprecated gulp-util

gulpfile.js

@@ -9,14 +9,14 @@ var stylish = require('jshint-stylish');
 var root = __dirname;
 
 gulp.task('clean', function() {
-  gulp.src([
+  return gulp.src([
     'examples/*/tmp',
     'test/tmp'
   ]).pipe(clean());
 });
 
 gulp.task('lint', function() {
-  gulp.src([ 'index.js', 'test/test.js', 'lib/*.js' ])
+  return gulp.src([ 'index.js', 'test/test.js', 'lib/*.js' ])
     .pipe(jshint({ expr: true }))
     .pipe(jshint.reporter(stylish));
 });
@@ -26,7 +26,7 @@ gulp.task('test', function() {
   // node lives in one process/scope/directory
   process.chdir(root);
 
-  gulp.src('test/test.js')
+  return gulp.src('test/test.js')
     .pipe(mocha({ reporter: 'spec', timeout: 1000 }))
 });
 

index.js

@@ -3,9 +3,10 @@
 
 var fs          = require('fs');
 var path        = require('path');
-var gutil       = require('gulp-util');
 var through2    = require('through2');
-var PluginError = gutil.PluginError;
+var PluginError = require('plugin-error');
+var fancyLog    = require('fancy-log');
+var colors      = require('ansi-colors');
 var utils       = require('./lib/utils');
 var compress    = require('./lib/compress.js');
 
@@ -84,7 +85,7 @@ module.exports = function (options) {
 
         fs.exists(filepath, function(exists) {
           if(exists) {
-            gutil.log(gutil.colors.green('Gzipped file ' + filepath + ' deleted'));
+            fancyLog(colors.green('Gzipped file ' + filepath + ' deleted'));
             fs.unlink(filepath, complete);
           } else {
             complete();

package.json

@@ -24,8 +24,10 @@
     }
   ],
   "dependencies": {
+    "ansi-colors": "^1.0.1",
     "bytes": "^0.3.0",
-    "gulp-util": "^2.2.14",
+    "fancy-log": "^1.3.2",
+    "plugin-error": "^0.1.2",
     "stream-to-array": "~1.0.0",
     "through2": "^0.4.1"
   },

test/test.js

@@ -1,7 +1,7 @@
 var clean  = require('gulp-clean');
 var fs     = require('fs');
 var gulp   = require('gulp');
-var log    = require('gulp-util').log;
+var log    = require('fancy-log');
 var gzip   = require('../');
 var nid    = require('nid');
 var rename = require('gulp-rename');