prometheansacrifice

Could you please re-raise this PR against this branch? https://github.com/esy/esy/tree/emit-findlib-config

I want to take another at it this weekend

`revParse` can be removed safely (but I don't think we gain much by doing so) The `if` block needs to stay ```sh git clone https://github.com/esy/esy --depth 1 cd esy git...

@EduardoRFS Can we build esy without any patches/changes for ARM64?

If you use [esy](https://esy.sh), you could try https://github.com/prometheansacrifice/esy-hello-native-ctypes. Should work by just cloning. I plan to write a small bootstrappin script to Ctypes, atleast to just get started. @ORESoftware

@NTillmann Are the two serialisers going to merge sometime in future? Coming from a contributor's perspective, what changes can we expect in the current serialiser?

Nix build is failing because of a network issue ``` warning: error: unable to download 'https://gitlab.inria.fr/fpottier/fix/-/archive/20220121/archive.tar.gz': Couldn't connect to server ([7](https://github.com/esy/esy/actions/runs/5428343543/jobs/9872745534#step:4:8)); retrying in 268 ms warning: error: unable to download...

Fails with pnpm ``` Fatal error: exception Failure("Unable to resolve @prometheansacrifice/esy-bash/package.json from C:\\Users\\user\\AppData\\Local\\pnpm\\global\\5\\node_modules\\@esy-nightly\\esy\\3\\i\\esy-7c3d18e4\\bin\\") ```

If anyone's interested, here's place in the source where custom dispatch for commands can be implemented: https://github.com/esy/esy/blob/177f863ae072ea3e1af5912303142f4b57f7b529/esy-build-package/Build.re#L668

I think using `my-package/lib/there` instead of `my-package.lib.there`. I clearly remember spending sometime how subpackages where named relative to one another because I hadn't read findlib docs. This is so much...