Ne plante pas si on ne trouve pas de dépôt git.

src/Config.php

@@ -5,7 +5,6 @@
  *
  * For the full copyright and license information, please view the LICENSE
  * file that was distributed with this source code.
- *
  */
 
 namespace Irstea\CS;
@@ -167,8 +166,7 @@ final class Config extends PhpCsFixerConfig
         $fileLocator = new FileLocator($callerPath);
         $composerPackage = new ComposerPackage($fileLocator);
 
-        $repoPath = self::findGitRepository($callerPath);
-        $gitRepository = new GitRepository($repoPath);
+        $variables = self::getTemplateVariables($callerPath, $composerPackage);
 
         $headerProvider = new FormattedHeaderProvider(
             new ChainTemplateProvider(
@@ -178,18 +176,34 @@ final class Config extends PhpCsFixerConfig
                     new LicenseTemplateProvider($composerPackage),
                 ]
             ),
-            new TemplateFormatter($gitRepository, $composerPackage)
+            new TemplateFormatter($variables)
         );
 
         return new self($composerPackage, $headerProvider);
     }
 
-    private static function findGitRepository(string $path): string
+    private static function getTemplateVariables(string $path, ComposerPackage $composerPackage): array
+    {
+        $gitRepository = self::findGitRepository($path);
+
+        return [
+            '%copyrightHolder%' => 'INRAE',
+            '%package%'         => $composerPackage->getName(),
+            '%description%'     => $composerPackage->getDescription(),
+            '%yearRange%'       => $gitRepository ? $gitRepository->getYearRange() : date('Y'),
+        ];
+    }
+
+    private static function findGitRepository(string $path): ?GitRepository
     {
-        while (!is_dir($path . '/.git') && $path !== '/') {
+        while ($path !== '/') {
+            if (is_dir($path . '/.git')) {
+                return new GitRepository($path);
+            }
+
             $path = \dirname($path);
         }
 
-        return $path;
+        return null;
     }
 }