Locating a package in a subdirectory

[martyall]

Is there any way to refer to a subdirectory in a packages.dhall entry? My situation is that I want monorepo two packages A and B that often move together but B depends on A, and depend on both from another repository C.

A and B are both referenced as Local in the monorepo as per the instructions in the README, and that part works fine. However as they are nested in the monorepo, they are nested in .spago directory in project C and it seems like they can't be found. Ironically at some point before I blew everything in C away and rebuilt, i was getting a duplicate module error as I mentioned here

Basically I am looking for something like the subdirs option for a stack.yaml declaration. here

Anyway, let me know if there is some way to do this, or if this shouldn't be allowed because of the design philosophy. Thanks!

[f-f]

@blinky3713 could you post the layout of your repo and the content of your packages.dhall? I have trouble understanding how things are structured.

[martyall]

Sure, sorry about that.

This is the monorepo containing two packages, purescript-web3 and purescript-web3-generator:
https://github.com/f-o-a-m/purescript-web3/tree/monorepo

where web3-generator depends on web3.

Here is the relevant packages.dhall for that monorepo:
https://github.com/f-o-a-m/purescript-web3/blob/monorepo/packages.dhall#L178-L180

Here is the packages.dhall file for the project that depends on the monorepo's libraries:
https://github.com/f-o-a-m/chanterelle/blob/monorepo-web3/packages.dhall#L7-L58

Here is what is pulled into .spago/web3/monorepo .spago/web3-generator/monorepo and after running spago build:

Which is what I meant by the nesting.

[martyall]

@f-f Just checking in, any thoughts about this?

[f-f]

@blinky3713 sorry, I'm travelling until next week and I didn't manage to have a look at this yet, will do ASAP

[martyall]

@wclr I'm not sure I can really describe the problem much better than what's in the comment above starting with

Sure, sorry about that.

And the error message is that the modules from the web3 and web3-generator packages can't be found when trying to build chanterelle.

The most succinct way I can put it for haskell/stack users is what I said above:

Basically I am looking for something like the subdirs option for a stack.yaml declaration. here

[f-f]

I finally had some time to look at this - indeed subdirectories are not supported right now.
The main reason is that there's an ecosystem-wide assumption about library sources being in src/**/*.purs. This was discussed mainly in #288 (and this question pops up often, e.g. #755).
We're working to lift this limitation in the new Registry, more discussion about that in purescript/registry#16

[martyall]

Thanks for getting back to me! I will try to catch myself up to speed on those issues to see what remains. As a general note it's been extremely pleasant to update all of our repos to spago, very much appreciating all of your hard work!

[f-f]

@blinky3713 thank you! ❤️

I think there are no more actionable points in this issue, so I'll close this 🙂