Add patchers to fix namespace issues

composer.json

@@ -81,9 +81,10 @@
     "test": "phpunit",
     "prefix-dependencies": [
       "vendor-bin/php-scoper/vendor/bin/php-scoper add-prefix --output-dir=./vendor-prefixed --force --quiet",
-      "echo '{ \"autoload\": { \"classmap\": [\"\"], \"exclude-from-classmap\": [\"vendor\\/squizlabs\\/php_codesniffer\\/autoload.php\"] } }' > ./vendor-prefixed/composer.json",
+      "echo '{ \"autoload\": { \"classmap\": [\"\"], \"exclude-from-classmap\": [\"vendor\\/squizlabs//\"] } }' > ./vendor-prefixed/composer.json",
       "@composer dump-autoload --working-dir ./vendor-prefixed --no-dev --classmap-authoritative",
-      "sed -i'.bak' -e 's/Composer\\\\Autoload/Plugin_Check_Composer\\\\Autoload/' vendor-prefixed/vendor/composer/*.php && rm -rf vendor-prefixed/vendor/composer/*.php.bak",
+      "sed -i'.bak' -e 's/Composer\\\\Autoload/Plugin_Check_Composer\\\\Autoload/' vendor-prefixed/vendor/composer/*.php",
+      "rm -rf vendor-prefixed/vendor/composer/*.php.bak",
       "echo '{ \"autoload\": { \"classmap\": [\"\"] } }' > ./includes/composer.json",
       "@composer dump-autoload --working-dir ./includes --no-dev --classmap-authoritative",
       "sed -i'.bak' -e 's/Composer\\\\Autoload/Plugin_Check_Composer\\\\Autoload/' includes/vendor/composer/*.php && rm -rf includes/vendor/composer/*.php.bak"

includes/Checker/Checks/Abstract_PHP_CodeSniffer_Check.php

@@ -204,7 +204,7 @@ private function get_argv_defaults( Check_Result $result ): array {
 		$defaults = array(
 			'',
 			$result->plugin()->location(),
-			'--report=Json',
+			'--report=WordPress\Plugin_Check\Vendor\PHP_CodeSniffer\Reports\Json',
 			'--report-width=9999',
 		);
 

scoper.inc.php

@@ -11,10 +11,10 @@
 use Isolated\Symfony\Component\Finder\Finder;
 
 return array(
-	'prefix'  => 'WordPress\\Plugin_Check\\Vendor',
+	'prefix'   => 'WordPress\\Plugin_Check\\Vendor',
 
 	// See: https://github.com/humbug/php-scoper#finders-and-paths.
-	'finders' => array(
+	'finders'  => array(
 		// PHP_CodeSniffer.
 		Finder::create()
 				->files()
@@ -93,6 +93,20 @@
 			->notName( '*-test.php' )
 			->in( 'vendor/automattic/vipwpcs' ),
 
+		// VariableAnalysis is used by WPCS.
+		Finder::create()
+			->files()
+			->ignoreVCS( true )
+			->ignoreDotFiles( true )
+			->name(
+				array(
+					'*.php',
+					'ruleset.xml',
+					'composer.json',
+				)
+			)
+			->in( 'vendor/sirbrillig/phpcs-variable-analysis' ),
+
 		// Plugin Check custom PHPCS sniffs.
 		Finder::create()
 				->files()
@@ -101,6 +115,7 @@
 				->name(
 					array(
 						'*.php',
+						'ruleset.xml',
 						'composer.json',
 					)
 				)
@@ -130,4 +145,40 @@
 		Finder::create()
 				->append( array( 'composer.json' ) ),
 	),
+
+	'patchers' => array(
+		static function ( string $file_path, string $prefix, string $content ) {
+			if ( str_ends_with( $file_path, 'vendor/squizlabs/php_codesniffer/autoload.php' ) ) {
+				$content = str_replace(
+					'substr($class, 0, 16) === \'PHP_CodeSniffer\\',
+					'substr($class, 0, 46) === \'WordPress\Plugin_Check\Vendor\PHP_CodeSniffer\\',
+					$content
+				);
+
+				$content = str_replace(
+					'substr(str_replace(\'\\\\\', $ds, $class), 16)',
+					'substr(str_replace(\'\\\\\', $ds, $class), 46)',
+					$content
+				);
+			}
+
+			if ( str_ends_with( $file_path, 'vendor/squizlabs/php_codesniffer/src/Files/File.php' ) ) {
+				$content = str_replace(
+					'PHP_CodeSniffer\Tokenizers\\',
+					'WordPress\Plugin_Check\Vendor\PHP_CodeSniffer\Tokenizers\\',
+					$content
+				);
+			}
+
+			if ( str_ends_with( $file_path, 'vendor/squizlabs/php_codesniffer/src/Standards/PEAR/Sniffs/Commenting/FileCommentSniff.php' ) ) {
+				$content = str_replace(
+					'PHP_CodeSniffer\Standards\PEAR\Sniffs\Commenting\FileCommentSniff',
+					'WordPress\Plugin_Check\Vendor\PHP_CodeSniffer\Standards\PEAR\Sniffs\Commenting\FileCommentSniff',
+					$content
+				);
+			}
+
+			return $content;
+		},
+	),
 );