lib/helper.php: check if pacman db exists before running shell command

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/helper.php b/lib/helper.php
index 29902b7..64f167e 100644
--- a/lib/helper.php
+++ b/lib/helper.php
@@ -215,6 +215,8 @@ function find_upstream_packages_in($repo) {
   $parse_package_filename_in_repo = function($filename) use ($repo) {
     return parse_package_filename($filename, $repo);
   };
+  if (!file_exists("/var/lib/pacman/sync/" . $repo . ".db")
+    return NULL;
   return
     array_map(
       $parse_package_filename_in_repo,