generate-repo-files: don't crash when the process errors

diff --git a/build-scripts/docker/repo-test/generate-repo-files.py b/build-scripts/docker/repo-test/generate-repo-files.py
index 956695c79474f3d83763dcb940ad91e08996b1f7..7ebe25bd3f4d739f4ae537918b610edac850598f 100755 (executable)
--- a/build-scripts/docker/repo-test/generate-repo-files.py
+++ b/build-scripts/docker/repo-test/generate-repo-files.py
@@ -224,7 +224,7 @@ def run (tag):
     if cp.returncode != 0 and cp.returncode != 99:
         # FIXME write failed output to log
         print('Error running {}: {}'.format(tag, repr(cp.returncode)))
-        return cp.returncode
+        return cp.returncode, None
     if version and version.group(2):
         return cp.returncode, version.group(2)
     else: