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Add Haskell env

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Luc Perkins 2022-08-01 00:00:58 +02:00
parent 43df5c9b0b
commit 7d3513701f
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11 changed files with 105 additions and 7 deletions
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1
haskell/.envrc Normal file
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use flake .

60
haskell/flake.lock generated Normal file
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{
"nodes": {
"dev": {
"inputs": {
"flake-utils": "flake-utils",
"nixpkgs": "nixpkgs"
},
"locked": {
"lastModified": 1659301425,
"narHash": "sha256-ws9jVuS3XKx5nYITvSGnMDj8y+JLu7W4ZLWgSoaWDG0=",
"owner": "the-nix-way",
"repo": "dev-templates",
"rev": "34bf508a971639577be4ac3fc422897d380c5086",
"type": "github"
},
"original": {
"owner": "the-nix-way",
"repo": "dev-templates",
"type": "github"
}
},
"flake-utils": {
"locked": {
"lastModified": 1656928814,
"narHash": "sha256-RIFfgBuKz6Hp89yRr7+NR5tzIAbn52h8vT6vXkYjZoM=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "7e2a3b3dfd9af950a856d66b0a7d01e3c18aa249",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1659300577,
"narHash": "sha256-mTlKMvvBJ4W32Y9VdEXATyMDUWEYVO4P9IWo8Mzn3rM=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "b91029be03d836b5ab33042aaf0167f02221c1ac",
"type": "github"
},
"original": {
"owner": "NixOS",
"repo": "nixpkgs",
"type": "github"
}
},
"root": {
"inputs": {
"dev": "dev"
}
}
},
"root": "root",
"version": 7
}

24
haskell/flake.nix Normal file
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{
description = "A Nix-flake-based Haskell development environment";
inputs = { dev.url = "github:the-nix-way/dev-templates"; };
outputs = { self, dev }:
let inherit (dev.lib) flake-utils nixpkgs;
in flake-utils.lib.eachDefaultSystem (system:
let
pkgs = import nixpkgs { inherit system; };
inherit (pkgs) cabal-install ghc mkShell;
in {
devShells = {
default = mkShell {
buildInputs = [ cabal-install ghc ];
shellHook = ''
${ghc}/bin/ghc --version
${cabal-install}/bin/cabal --version
'';
};
};
});
}