Switch go Gulp 4 for builds

Fixes #5

.gitignore

@@ -1,5 +1,6 @@
 # Do not index node.js modules that are used for building
 node_modules
+package-lock.json
 
 # Do not index composer components
 vendor

Plugin.php

@@ -126,7 +126,7 @@ class Plugin extends \Mibew\Plugin\AbstractPlugin implements \Mibew\Plugin\Plugi
      */
     public static function getVersion()
     {
-        return '1.0.1';
+        return '1.0.2';
     }
 
     /**
@@ -139,6 +139,21 @@ class Plugin extends \Mibew\Plugin\AbstractPlugin implements \Mibew\Plugin\Plugi
         return array();
     }
 
+    /**
+     * Returns plugin's system requirements
+     *
+     * @return type
+     */
+    public static function getSystemRequirements()
+    {
+        if (extension_loaded('gmp')) {
+            return array('ext-gmp' => '*');
+        }
+        else {
+            return array('ext-bcmath' => '*');
+        }
+    }
+
     /**
      * Format locale name using "xx-XX" format.
      *

README.md

@@ -2,10 +2,11 @@
 
 Provides Geo IP information for other plugins.
 
+*Requires either [GMP (GNU Multiple Precision)](http://php.net/manual/en/book.gmp.php) or [BC Math (BCMath Arbitrary Precision Mathematics)](http://php.net/manual/en/book.bc.php) PHP extension.*
 
 ## Installation
 
-1. Get the archive with the plugin sources. At the moment the only option is to build the plugin from sources.
+1. Get the archive with the plugin sources. You can download it from the [official site](https://mibew.org/plugins#mibew-geoip) or build the plugin from sources.
 
 2. Untar/unzip the plugin's archive.
 

gulpfile.js

@@ -9,6 +9,11 @@ var fs = require('fs'),
     gzip = require('gulp-gzip'),
     rename = require('gulp-rename');
 
+    var config = {
+        getComposerUrl: 'https://getcomposer.org/installer',
+        phpBin: 'php -d "suhosin.executor.include.whitelist = phar" -d "memory_limit=512M"'
+    }
+
 // Get and install PHP Composer
 gulp.task('get-composer', function(callback) {
     // Check if Composer already in place
@@ -19,9 +24,9 @@ gulp.task('get-composer', function(callback) {
     }
 
     // Get installer from the internet
-    https.get('https://getcomposer.org/installer', function(response) {
+    https.get(config.getComposerUrl, function(response) {
         // Run PHP to install Composer
-        var php = exec('php', function(error, stdout, stderr) {
+        var php = exec(config.phpBin, function(error, stdout, stderr) {
             callback(error ? stderr : null);
         });
         // Pass installer code to PHP via STDIN
@@ -30,13 +35,13 @@ gulp.task('get-composer', function(callback) {
 });
 
 // Install Composer dependencies
-gulp.task('composer-install', ['get-composer'], function(callback) {
+gulp.task('composer-install', gulp.series('get-composer', function(callback) {
-    exec('php -d "suhosin.executor.include.whitelist = phar" composer.phar install --no-dev', function(error, stdout, stderr) {
+    exec(config.phpBin + ' composer.phar install --no-dev', function(error, stdout, stderr) {
         callback(error ? stderr : null);
     });
-});
+}));
 
-gulp.task('prepare-release', ['composer-install'], function() {
+gulp.task('prepare-release', gulp.series('composer-install', function() {
     var version = require('./package.json').version;
 
     return eventStream.merge(
@@ -48,12 +53,10 @@ gulp.task('prepare-release', ['composer-install'], function() {
     )
     .pipe(chmod(0644))
     .pipe(gulp.dest('release'));
-});
+}));
 
 // Builds and packs plugins sources
-gulp.task('default', ['prepare-release'], function() {
+gulp.task('default', gulp.series('prepare-release'));
-    // The "default" task is just an alias for "prepare-release" task.
-});
 
 /**
  * Returns files stream with the plugin sources.

package.json

@@ -1,12 +1,12 @@
 {
-    "version": "1.0.1",
+    "version": "1.0.2",
     "devDependencies": {
-        "gulp": "~3.8.10",
+        "gulp": "^4.0.0",
         "event-stream": "~3.1.7",
         "gulp-zip": "~2.0.2",
-        "gulp-tar": "~1.3.1",
+        "gulp-tar": "~3.1.0",
         "gulp-gzip": "~0.0.8",
-        "gulp-chmod": "~1.2.0",
+        "gulp-chmod": "~3.0.0",
         "gulp-rename": "~1.2.0"
     }
-}
+}