Merge pull request #88 from esurov/phar-readonly

Added a check for `phar.readonly`

Author: marcocesarato

bin/build

@@ -27,6 +27,13 @@ if (file_exists($output . '.gz')) {
 if (file_exists($finalOutput)) {
     unlink($finalOutput);
 }
+
+// check that phar.readonly to off
+if (1 == ini_get('phar.readonly')) {
+    echo "Can't create a Phar file. Please set `phar.readonly = Off` in your php.ini\n";
+    exit(1);
+}
+
 // create phar
 $p = new Phar($output);