diff --git a/src/StaticPHP/Artifact/Downloader/Type/CheckUpdateInterface.php b/src/StaticPHP/Artifact/Downloader/Type/CheckUpdateInterface.php
index 18445648..1adcdfea 100644
--- a/src/StaticPHP/Artifact/Downloader/Type/CheckUpdateInterface.php
+++ b/src/StaticPHP/Artifact/Downloader/Type/CheckUpdateInterface.php
@@ -13,7 +13,7 @@ interface CheckUpdateInterface
      *
      * @param string             $name        the name of the artifact
      * @param array              $config      the configuration for the artifact
-     * @param string             $old_version old version or identifier of the artifact to compare against
+     * @param null|string        $old_version old version or identifier of the artifact to compare against
      * @param ArtifactDownloader $downloader  the artifact downloader instance
      */
     public function checkUpdate(string $name, array $config, ?string $old_version, ArtifactDownloader $downloader): CheckUpdateResult;
diff --git a/src/StaticPHP/Artifact/Downloader/Type/Git.php b/src/StaticPHP/Artifact/Downloader/Type/Git.php
index f518b396..4a712005 100644
--- a/src/StaticPHP/Artifact/Downloader/Type/Git.php
+++ b/src/StaticPHP/Artifact/Downloader/Type/Git.php
@@ -21,7 +21,8 @@ class Git implements DownloadTypeInterface, CheckUpdateInterface
         // direct branch clone
         if (isset($config['rev'])) {
             default_shell()->executeGitClone($config['url'], $config['rev'], $path, $shallow, $config['submodules'] ?? null);
-            $hash_result = shell(false)->execWithResult(SPC_GIT_EXEC . ' -C ' . escapeshellarg($path) . ' rev-parse HEAD');
+            $shell = PHP_OS_FAMILY === 'Windows' ? cmd(false) : shell(false);
+            $hash_result = $shell->execWithResult(SPC_GIT_EXEC . ' -C ' . escapeshellarg($path) . ' rev-parse HEAD');
             $hash = ($hash_result[0] === 0 && !empty($hash_result[1])) ? trim($hash_result[1][0]) : '';
             $version = $hash !== '' ? "dev-{$config['rev']}+{$hash}" : "dev-{$config['rev']}";
             return DownloadResult::git($name, $config, extract: $config['extract'] ?? null, version: $version, downloader: static::class);
diff --git a/src/StaticPHP/Artifact/Downloader/Type/PIE.php b/src/StaticPHP/Artifact/Downloader/Type/PIE.php
index 3a3ccc02..a84cffe5 100644
--- a/src/StaticPHP/Artifact/Downloader/Type/PIE.php
+++ b/src/StaticPHP/Artifact/Downloader/Type/PIE.php
@@ -27,7 +27,7 @@ class PIE implements DownloadTypeInterface, CheckUpdateInterface
         $filename = "{$name}-{$version}." . ($dist_type === 'zip' ? 'zip' : 'tar.gz');
         $path = DOWNLOAD_PATH . DIRECTORY_SEPARATOR . $filename;
         default_shell()->executeCurlDownload($dist_url, $path, retries: $downloader->getRetry());
-        return DownloadResult::archive($filename, $config, $config['extract'] ?? null, downloader: static::class);
+        return DownloadResult::archive($filename, $config, $config['extract'] ?? null, version: $version, downloader: static::class);
     }
 
     public function checkUpdate(string $name, array $config, ?string $old_version, ArtifactDownloader $downloader): CheckUpdateResult