to keep compatability with mash and pungi package hasing needs to be done with tolower() so we put the packages in a lowercase directory name. Some mirrors use filesystems that are not case sensitive.
fixed with https://pagure.io/pungi/539736a11e9a5837b9b2d48724f55b2776f6bb74
This issue has been migrated to Fedora Forge: https://forge.fedoraproject.org/pungi/pungi/issues/76
Please continue any further discussion there.