From 3f5fe150dd54558c0d3fde97d5b7ef46a723fd4b Mon Sep 17 00:00:00 2001
From: Franck Nijhof <f.nijhof@dealerdirect.nl>
Date: Wed, 10 May 2017 16:20:18 +0200
Subject: [PATCH 1/2] ADDED: Support for coding standard in the root repository
 for PHP_CodeSniffer v3.x

---
 src/Plugin.php | 29 ++++++++++++++++++++++-------
 1 file changed, 22 insertions(+), 7 deletions(-)

diff --git a/src/Plugin.php b/src/Plugin.php
index 57cac171..4d155eb4 100644
--- a/src/Plugin.php
+++ b/src/Plugin.php
@@ -15,6 +15,7 @@
 use Composer\IO\IOInterface;
 use Composer\Package\AliasPackage;
 use Composer\Package\PackageInterface;
+use Composer\Package\RootpackageInterface;
 use Composer\Plugin\PluginInterface;
 use Composer\Script\Event;
 use Composer\Script\ScriptEvents;
@@ -280,13 +281,23 @@ private function updateInstalledPaths()
         $finder->files()
             ->ignoreUnreadableDirs()
             ->ignoreVCS(true)
-            ->depth('>= 1')
             ->depth('< 4')
             ->name('ruleset.xml')
             ->in($searchPaths);
 
+        // Only version 3.x and higher has support for having coding standard in the root of the directory.
+        $allowCodingStandardsInRoot = $this->isPHPCodeSnifferInstalled('>= 3.0.0');
+
+        if ($allowCodingStandardsInRoot !== true) {
+            $finder->depth('>= 1');
+        }
+
         foreach ($finder as $ruleset) {
-            $standardsPath = dirname($ruleset->getPath());
+            $standardsPath = $ruleset->getPath();
+
+            if ($allowCodingStandardsInRoot === false) {
+                $standardsPath = dirname($standardsPath);
+            }
 
             // Use relative paths for local project repositories
             if ($this->isRunningGlobally() === false) {
@@ -323,7 +334,7 @@ function (PackageInterface $package) {
             }
         );
 
-        if (! $this->composer->getPackage() instanceof \Composer\Package\RootpackageInterface
+        if (! $this->composer->getPackage() instanceof RootpackageInterface
             && $this->composer->getPackage()->getType() === self::PACKAGE_TYPE
         ) {
             $codingStandardPackages[] = $this->composer->getPackage();
@@ -335,15 +346,17 @@ function (PackageInterface $package) {
     /**
      * Searches for the installed PHP_CodeSniffer Composer package
      *
+     * @param string|\Composer\Semver\Constraint\ConstraintInterface $versionConstraint to match against
+     *
      * @return PackageInterface|null
      */
-    private function getPHPCodeSnifferPackage()
+    private function getPHPCodeSnifferPackage($versionConstraint = null)
     {
         $packages = $this
             ->composer
             ->getRepositoryManager()
             ->getLocalRepository()
-            ->findPackages(self::PACKAGE_NAME);
+            ->findPackages(self::PACKAGE_NAME, $versionConstraint);
 
         return array_shift($packages);
     }
@@ -361,11 +374,13 @@ private function getPHPCodeSnifferInstallPath()
     /**
      * Simple check if PHP_CodeSniffer is installed.
      *
+     * @param string|\Composer\Semver\Constraint\ConstraintInterface $versionConstraint to match against
+     *
      * @return bool Whether PHP_CodeSniffer is installed
      */
-    private function isPHPCodeSnifferInstalled()
+    private function isPHPCodeSnifferInstalled($versionConstraint = null)
     {
-        return ($this->getPHPCodeSnifferPackage() !== null);
+        return ($this->getPHPCodeSnifferPackage($versionConstraint) !== null);
     }
 
     /**

From ca876b644fb5fd7d3956e7d93cba18f15568a5f2 Mon Sep 17 00:00:00 2001
From: Franck Nijhof <f.nijhof@dealerdirect.nl>
Date: Thu, 11 May 2017 09:31:05 +0200
Subject: [PATCH 2/2] Changed code documentation.

---
 src/Plugin.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/Plugin.php b/src/Plugin.php
index 4d155eb4..58f8eb02 100644
--- a/src/Plugin.php
+++ b/src/Plugin.php
@@ -4,7 +4,7 @@
  * This file is part of the Dealerdirect PHP_CodeSniffer Standards
  * Composer Installer Plugin package.
  *
- * @copyright 2016 Dealerdirect B.V.
+ * @copyright 2016-2017 Dealerdirect B.V.
  * @license MIT
  */
 
@@ -346,7 +346,7 @@ function (PackageInterface $package) {
     /**
      * Searches for the installed PHP_CodeSniffer Composer package
      *
-     * @param string|\Composer\Semver\Constraint\ConstraintInterface $versionConstraint to match against
+     * @param null|string|\Composer\Semver\Constraint\ConstraintInterface $versionConstraint to match against
      *
      * @return PackageInterface|null
      */
@@ -374,7 +374,7 @@ private function getPHPCodeSnifferInstallPath()
     /**
      * Simple check if PHP_CodeSniffer is installed.
      *
-     * @param string|\Composer\Semver\Constraint\ConstraintInterface $versionConstraint to match against
+     * @param null|string|\Composer\Semver\Constraint\ConstraintInterface $versionConstraint to match against
      *
      * @return bool Whether PHP_CodeSniffer is installed
      */