DX: update branch alias

Author: keradus

composer.json

@@ -55,7 +55,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "2.15-dev"
+            "dev-master": "2.16-dev"
         }
     },
     "autoload": {

dev-tools/composer-alias-update.php

@@ -0,0 +1,28 @@
+#!/usr/bin/env php
+<?php
+
+require_once __DIR__.'/../vendor/autoload.php';
+
+const COMPOSER_JSON_FILE = __DIR__.'/../composer.json';
+
+/**
+ * @param string $version
+ *
+ * @return string
+ */
+function convertAppVersionToAliasedVersion($version)
+{
+    $parts = explode('.', $version, 3);
+
+    return sprintf('%d.%d-dev', $parts[0], $parts[1]);
+}
+
+$composerJson = json_decode(file_get_contents(COMPOSER_JSON_FILE), true);
+
+if (isset($composerJson['extra']['branch-alias'])) {
+    $composerJson['extra']['branch-alias'] = [
+        'dev-master' => convertAppVersionToAliasedVersion(PhpCsFixer\Console\Application::VERSION),
+    ];
+}
+
+file_put_contents(COMPOSER_JSON_FILE, json_encode($composerJson, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT)."\n");