Index: modules/project/release/package-release-nodes.php
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/project/release/package-release-nodes.php,v
retrieving revision 1.15
diff -u -p -r1.15 package-release-nodes.php
--- modules/project/release/package-release-nodes.php	16 May 2007 16:01:19 -0000	1.15
+++ modules/project/release/package-release-nodes.php	7 Jun 2007 19:01:32 -0000
@@ -628,6 +628,13 @@ function fix_info_file_version($file, $u
 
   $info = "\n; Information added by $site_name packaging script on " . date('Y-m-d') . "\n";
   $info .= "version = \"$version\"\n";
+  // .info files started with 5.x, so we don't have to worry about version
+  // strings like "4.7.x-1.0" in this regular expression. If we can't parse
+  // the version (an old "HEAD" release), don't try to add "core" at all.
+  $matches = array();
+  if (preg_match('/^(\d+\.x)-.*/', $version, $matches)) {
+    $info .= "core = \"$matches[1]\"\n";
+  }
   $info .= "project = \"$uri\"\n";
   $info .= 'datestamp = "'. time() ."\"\n";
   $info .= "\n";