The Debian bug has been resolved, and the package synced to Ubuntu Eoan. I've just verified that cabal-install 2.4.0.0-2build1 contains a manpage.
https://packages.ubuntu.com/eoan/amd64/cabal-install/filelist ** Changed in: haskell-cabal-install (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1460660 Title: add manpage for cabal To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/haskell-cabal-install/+bug/1460660/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs