fix: 修改非git项目异常抛出

Author: titrxw

src/Plugin/Plugin.php

@@ -59,15 +59,16 @@ public function installGitPreHook() {
 		$config = $this->composer->getConfig();
 		$filesystem = new Filesystem();
 		$projectDir = dirname($filesystem->normalizePath(realpath(realpath($config->get('vendor-dir')))));
+		if (!file_exists($projectDir . '/.php-cs-fixer.php')) {
+			$filesystem->copy(dirname(__DIR__) . '/Helper/.php-cs-fixer.php', $projectDir . '/.php-cs-fixer.php');
+		}
+
 		$hookDir = $projectDir . '/.git/hooks/';
 		if (!file_exists($hookDir)) {
-			throw new \Exception('not a git project');
+			return true;
 		}
 
 		$fixFileName = 'pre-commit-cs-fix-30';
-		if (!file_exists($projectDir . '/.php-cs-fixer.php')) {
-			$filesystem->copy(dirname(__DIR__) . '/Helper/.php-cs-fixer.php', $projectDir . '/.php-cs-fixer.php');
-		}
 		if (file_exists($hookDir . $fixFileName)) {
 			return true;
 		}