create diff option to only check the currently staged files

src/Commands/CommitHooks/CommitHookCommand.php

@@ -14,10 +14,17 @@ abstract class CommitHookCommand extends Command
     public function handle()
     {
         foreach (config($this->getConfigKey()) as $command) {
-            $this->info('git hook invoking: ' . $command);
-            $statusCode = $this->call($command);
+            // these commands in the config might be the command name + options.
+            $parts = explode(' ', $command, 2);
+            $commandName = $parts[0];
+            $arguments = $parts[1] ? explode(' ', $parts[1]) : [];
+
+            $this->line('git hook invoking: ' . $commandName . ' ' . implode($arguments, ' '));
+
+            $statusCode = $this->call($commandName, $arguments);
 
             if ($statusCode !== 0) {
+                $this->error('git hook check failed');
                 return $statusCode;
             }
         }

src/Commands/PHPCodeSnifferCommand.php

@@ -3,6 +3,7 @@
 namespace Feek\LaravelGitHooks\Commands;
 
 use Illuminate\Console\Command;
+use Symfony\Component\Console\Input\InputOption;
 
 abstract class PHPCodeSnifferCommand extends Command
 {
@@ -29,19 +30,40 @@ abstract function getErrorMessage();
      */
     abstract function getSuccessMessage();
 
+    /**
+     * @return array
+     */
+    public function getOptions()
+    {
+        return [
+            ['diff', null, InputOption::VALUE_OPTIONAL, 'only pass the currently staged files']
+        ];
+    }
+
     /**
      * Execute the console command.
      *
      * @return mixed
      */
     public function handle()
     {
-        $dirToCheckStyle = app_path();
+        $filesToCheck = app_path();
+
+        if ($this->option('diff')) {
+            // only check the current files that are staged
+            exec(
+                'git diff --cached --name-only',
+                $filesToCheck
+            );
+
+            $filesToCheck = implode($filesToCheck, ' ');
+        }
+
         $executable = $this->getCodeSnifferExecutable();
         $standard = $this->getCodingStandard();
 
         exec(
-            "$executable -p --standard=$standard $dirToCheckStyle",
+            "$executable -p --standard=$standard $filesToCheck",
             $output,
             $statusCode
         );

src/Commands/Phpcbf.php

@@ -9,7 +9,7 @@ class Phpcbf extends PHPCodeSnifferCommand
      *
      * @var string
      */
-    protected $signature = 'hooks:phpcbf';
+    protected $signature = 'hooks:phpcbf {--diff}';
 
     /**
      * The console command description.

src/Commands/Phpcs.php

@@ -9,7 +9,7 @@ class Phpcs extends PHPCodeSnifferCommand
      *
      * @var string
      */
-    protected $signature = 'hooks:phpcs';
+    protected $signature = 'hooks:phpcs {--diff}';
 
     /**
      * The console command description.

src/Config/hooks.php

@@ -11,7 +11,7 @@
     | commit will fail. Add as many or few as you want.
     */
     'pre-commit' => [
-        'hooks:phpcs',
+        'hooks:phpcs --diff',
     ],
 
     /*