Package request: GitHub Semantic

[matthew-piziak]

Semantic is a Haskell library and command line tool for parsing, analyzing, and comparing source code.

Semantic uses tree-sitter to generate parse trees, but layers in a more generalized notion of syntax terms across all supported programming languages.

This means that is can produce syntax-aware diffs, in many programming languages.

[matthewbauer]

Probably requires https://github.com/github/semantic/issues/16

[teto]

maybe we should also package tree-sitter first ?

[cdepillabout]

@matthew-piziak I have a branch where I started working on this, but I lost steam:

https://github.com/cdepillabout/nixpkgs/commit/c68383502e2c29e3487b3c3aa4f6539560c3de19

I've gotten the semantic-core and semantic-python packages compiling, and some of the dependencies of the main semantic package compiling.

If you wanted to take this over, you'd just need to get packages like tree-sitter-json, tree-sitter-haskell, etc specified at the old version that semantic wants. I bet that would basically get semantic to compile.

Then of course you'd have to clean up all the mess I've made in that branch.

If you just wanted to build semantic with nix, it might be easier to use haskell.nix, since it can generate a package set from the cabal solver.

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[tobim]

An older version of semantic is in haskellPackages. https://search.nixos.org/packages?channel=unstable&show=haskellPackages.semantic&type=packages&query=haskellPackages.semantic

Please try to update it in Hackage if you want a more recent version.

[cdepillabout]

The current version on Hackage appears to just be an empty placeholder: https://hackage.haskell.org/package/semantic-0.0.0

And the upstream issue about uploading semantic to Hackage is still open: https://github.com/github/semantic/issues/16

So the actual semantic package does not yet appear to be available in Nixpkgs, as far as I can tell.

As for whether or not anyone still wants this, that's a different question. Maybe we could go ahead and close this since there doesn't seem to have been any interest in the past 5 years.