30 lines
1.6 KiB
Markdown
30 lines
1.6 KiB
Markdown
# haskell-template
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Get a Haskell development environment up and running quickly. Thanks to Nix, this template is optimized for a fully reproducible and friendly development environment. It is based on:
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- [Nix](https://srid.ca/haskell-nix) + [Flakes](https://serokell.io/blog/practical-nix-flakes) (via [`github:srid/haskell-flake`](https://github.com/srid/haskell-flake)) + GHC 9
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- VSCode + [HLS](https://github.com/haskell/haskell-language-server)
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- [fourmolu](https://github.com/fourmolu/fourmolu) autoformatting
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- [Relude](https://github.com/kowainik/relude#relude) as Prelude.
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- `.hlint.yaml` is [from relude](https://github.com/kowainik/relude/blob/main/.hlint.yaml)
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## Getting Started
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*tldr: Install Nix, enable Flakes, open in VSCode and run `bin/run`.*
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For details, see: https://srid.ca/haskell-template/start
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## Tips
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- Run `nix flake update` to update all flake inputs.
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- Run `nix --option sandbox false build .#check -L` to run the flake checks.
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- Run `treefmt` in nix shell to autoformat the project. This uses [treefmt](https://github.com/numtide/treefmt), which uses `./treefmt.toml` (where fourmolu and nixpkgs-fmt are specified).
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- Run `bin/hoogle` to start Hoogle with packages in your cabal file.
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- Run the application without installing: `nix run github:srid/haskell-template` (or `nix run .` from checkout)
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- Common workflows
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- Adding tests: http://srid.ca/haskell-template/tests
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- Adding Garnix CI: http://srid.ca/haskell-template/garnix
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## Discussions
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Got questions? Ideas? Suggestions? Post them here: https://github.com/srid/haskell-template/discussions
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