Replace the perl bindings

[roberth]

Is your feature request related to a problem?

The Perl bindings break, e.g.

• copy-tarballs: drop perl bindings nixpkgs#361700

Proposed solution

We now have a C API, and basing the Perl bindings on that makes them less prone to break.

nix-store-c is underdeveloped though.

Alternative solutions

• Drop the bindings, and make Hydra use the C API
  • Basically the same thing, but perhaps easier and more focused. Doing it not in Hydra is for when you want quality bindings, and I don't think quality code exists in or around Perl (in my experience - apologies).

Additional context

Checklist

• checked latest Nix manual (source)
• checked open feature issues and pull requests for possible duplicates

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[Mic92]

I don't think these breakages were caused the C++ api. We never had issues with those because the perl bindings are maintained in-tree. That being said, the feature set implemented by the perl-bindings would be probably a good base line of what the c api should support.