The issue is still unfixed in the reprepro version provided by Ubuntu 20.04 (Focal):
$ apt-show-versions | grep reprepro reprepro:amd64/focal-updates 5.3.0-1.3~ubuntu20.04 uptodate -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/799889 Title: fails to import ddeb packages To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/reprepro/+bug/799889/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs