Ignore empty refs

10 years ago · 39c8d3e6e1
parent 97873a27af
commit 39c8d3e6e1
1 changed files with 3 additions and 1 deletions
--- a/src/Composer/Util/ComposerMirror.php
+++ b/src/Composer/Util/ComposerMirror.php
@ -21,7 +21,9 @@ class ComposerMirror
 {
    public static function processUrl($mirrorUrl, $packageName, $version, $reference, $type)
    {
-        $reference = preg_match('{^([a-f0-9]*|%reference%)$}', $reference) ? $reference : md5($reference);
+        if ($reference) {
+            $reference = preg_match('{^([a-f0-9]*|%reference%)$}', $reference) ? $reference : md5($reference);
+        }
        $version = strpos($version, '/') === false ? $version : md5($version);

        return str_replace(