Installing bhoogle through stack

I'm here

And see:

Command Line UI

There is a terminal/curses based UI available through cabal install bhoogle.

I'd like to install with stack rather than cabal. I run

$ stack install hoogle
Copied executables to /home/username/.local/bin:
- bhoogle

This is on my path, great. Let's run it:

$ bhoogle

bhoogle error:     default hoogle database not found
     at /home/username/.hoogle/default-haskell-5.0.17.hoo    You can create the database by installing hoogle and running
     hoogle generate

Great, let's do that:

$ hoogle generate

Command 'hoogle' not found, but can be installed with:

sudo apt install hoogle

How about calling it bhoogle instead?

$ bhoogle generate

bhoogle error: 
   default hoogle database not found
     at /home/username/.hoogle/default-haskell-5.0.17.hoo
   You can create the database by installing hoogle and running
     hoogle generate

Is it not finding the executable? Let's use the full path:

$ /home/username/.local/bin/bhoogle generate

bhoogle error: 
   default hoogle database not found
     at /home/username/.hoogle/default-haskell-5.0.17.hoo
   You can create the database by installing hoogle and running
     hoogle generate

How can I initialize hoogle?

The answer was running:

stack install hoogle

twice.

The first time it installed many packages and said:

$ stack install hoogle
Copied executables to /home/username/.local/bin:
- bhoogle

The second time it installed no packages and said:

$ stack install hoogle
Copying from /home/username/.stack/snapshots/x86_64-linux/lts-12.6/8.4.3/bin/hoogle to /home/username/.local/bin/hoogle

Copied executables to /home/username/.local/bin:
- hoogle