Closes #203

phar-io · Aug 11, 2019 · 8d547af · 8d547af
1 parent 2879710
commit 8d547af
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/shared/PharRegistry.php b/src/shared/PharRegistry.php
@@ -172,6 +172,14 @@ public function getKnownSignatureFingerprints(string $alias): array {
 
     private function savePhar(Phar $phar): Filename {
         $destination = new Filename($this->getPharDestination($phar));
+
+        $targetDir = $destination->getDirectory();
+        if (!$targetDir->isWritable()) {
+            throw new FileNotWritableException(
+                sprintf('Cannot write phar to %s', $targetDir->asString())
+            );
+        }
+
         $phar->getFile()->saveAs($destination);
         \chmod($destination->asString(), 0755);