cabal haddock --haddock-html --haddock-quickjump --haddock-hyperlink-source all --with-haddock=/home/matt/.cabal/bin/haddock --verbose
rm -rf hdocs/
mkdir -p hdocs
find dist-newstyle -type d -name '*html' -exec cp -r {} hdocs \;
mv hdocs/html/* hdocs/

~/.cabal/bin/haddock \
    -o hdocs \
    --optghc="-package-db /home/matt/ghc-debug/dist-newstyle/packagedb/ghc-9.1.20201218" \
    --quickjump \
    --gen-index \
    --gen-contents \
    --read-interface=ghc-debug-client,hdocs/ghc-debug-client/ghc-debug-client.haddock \
    --read-interface=ghc-debug-common,hdocs/ghc-debug-common/ghc-debug-common.haddock \
    --read-interface=ghc-debug-convention,hdocs/ghc-debug-convention/ghc-debug-convention.haddock \
    --read-interface=ghc-debug-stub,hdocs/ghc-debug-stub/ghc-debug-stub.haddock
