The `index.html` that are supposed to be produced by `cabal haddock-project` are not here.

[Kleidukos]

Describe the bug
The index.html that are supposed to be produced by cabal haddock-project are not here.

To Reproduce
Steps to reproduce the behavior:

$ git clone https://github.com/haskell-cryptography/libsodium-bindings && cd libsodium-bindings
$ cabal haddock-project
Warning: haddock-project command is experimental, it might break in the future
Resolving dependencies...
Build profile: -w ghc-9.4.4 -O1
[…]
Documentation created:
/tmp/libsodium-bindings/dist-newstyle/build/x86_64-linux/ghc-9.4.4/libsodium-bindings-0.0.1.0/doc/html/libsodium-bindings/index.html
Documentation created:
/tmp/libsodium-bindings/dist-newstyle/build/x86_64-linux/ghc-9.4.4/sel-0.0.1.0/doc/html/sel/index.html
Documentation created: haddocks/index.html
$ file haddocks/index.html
haddocks/index.html: cannot open `haddocks/index.html` (No such file or directory)
$ file /tmp/libsodium-bindings/dist-newstyle/build/x86_64-linux/ghc-9.4.4/sel-0.0.1.0/doc/html/sel/index.html
/tmp/libsodium-bindings/dist-newstyle/build/x86_64-linux/ghc-9.4.4/sel-0.0.1.0/doc/html/sel/index.html: cannot open `/tmp/libsodium-bindings/dist-newstyle/build/x86_64-linux/ghc-9.4.4/sel-0.0.1.0/doc/html/sel/index.html' (No such file or directory)
$ file /tmp/libsodium-bindings/dist-newstyle/build/x86_64-linux/ghc-9.4.4/libsodium-bindings-0.0.1.0/doc/html/libsodium-bindings/index.html
/tmp/libsodium-bindings/dist-newstyle/build/x86_64-linux/ghc-9.4.4/libsodium-bindings-0.0.1.0/doc/html/libsodium-bindings/index.html: cannot open `/tmp/libsodium-bindings/dist-newstyle/build/x86_64-linux/ghc-9.4.4/libsodium-bindings-0.0.1.0/doc/html/libsodium-bindings/index.html' (No such file or directory)

Expected behavior
The files that are advertised to be produced should be here

System information

• Fedora 37
• cabal-install version 3.10.1.0
• The Glorious Glasgow Haskell Compilation System, version 9.4.4

[Kleidukos]

@coot May I assign you to this?

[coot]

You need to pass --gen-contents to generate haddock/index.html; the message:

Documentation created: haddocks/index.html

is misleading though.

One really wants to use one of: cabal haddock-project --local or cabal haddock-project --hackage.