tree-sitter-tiger/flake.nix

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{
description = "A tree-sitter grammar for Tiger";
inputs = {
flake-utils = {
type = "github";
owner = "numtide";
repo = "flake-utils";
ref = "master";
};
nixpkgs = {
type = "github";
owner = "NixOS";
repo = "nixpkgs";
ref = "nixpkgs-unstable";
};
pre-commit-hooks = {
type = "github";
owner = "cachix";
repo = "pre-commit-hooks.nix";
ref = "master";
inputs = {
flake-utils.follows = "flake-utils";
nixpkgs.follows = "nixpkgs";
};
};
};
outputs =
{ self
, flake-utils
, nixpkgs
, pre-commit-hooks
}:
let
inherit (flake-utils.lib) eachSystem system;
mySystems = [
system.aarch64-darwin
system.aarch64-linux
system.x86_64-darwin
system.x86_64-linux
];
eachMySystem = eachSystem mySystems;
in
eachMySystem
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(system:
let
pkgs = import nixpkgs {
inherit system;
overlays = [ self.overlays.default ];
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};
nvim-test = pkgs.writeShellScriptBin "nvim-test" ''
export NVIM_PLENARY='${pkgs.vimPlugins.plenary-nvim}'
export NVIM_TREESITTER='${pkgs.vimPlugins.nvim-treesitter}'
${pkgs.neovim}/bin/nvim --headless --noplugin -u scripts/minimal_init.lua \
-c "PlenaryBustedDirectory test/ { minimal_init = './scripts/minimal_init.lua' }"
'';
tree-sitter-env = pkgs.stdenv.mkDerivation {
name = "tree-sitter-env";
nativeBuildInputs = with pkgs; [
makeWrapper
];
dontUnpack = true;
dontBuild = true;
installPhase = ''
mkdir -p $out/bin
makeWrapper \
${pkgs.tree-sitter}/bin/tree-sitter \
$out/bin/tree-sitter \
--prefix PATH : "${with pkgs; lib.makeBinPath [stdenv.cc nodejs]}"
'';
};
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in
rec {
checks = {
pre-commit = pre-commit-hooks.lib.${system}.run {
src = ./.;
hooks = {
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clang-format = {
enable = true;
name = "clang-format";
entry = "${pkgs.clang-tools}/bin/clang-format -style=file -i";
types = [ "text" "c" ];
# I don't care for generated files' formatting
excludes = [ "src/parser.c" "src/tree_sitter/parser.h" ];
language = "system";
};
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nixpkgs-fmt = {
enable = true;
};
nvim-test = {
enable = true;
name = "nvim tests";
entry = "${nvim-test}/bin/nvim-test";
pass_filenames = false;
};
tree-sitter = {
enable = true;
name = "tree-sitter tests";
entry = "${tree-sitter-env}/bin/tree-sitter test";
pass_filenames = false;
};
tree-sitter-files = {
enable = true;
name = "tree-sitter generated files";
entry = "${tree-sitter-env}/bin/tree-sitter generate";
pass_filenames = false;
};
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};
};
};
devShells = {
default = pkgs.mkShell {
nativeBuildInputs = with pkgs; [
nodejs
nvim-test
(tree-sitter.override { webUISupport = true; })
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];
inherit (checks.pre-commit) shellHook;
};
};
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packages = {
default = packages.tree-sitter-tiger;
inherit (pkgs.tree-sitter.passthru.builtGrammars) tree-sitter-tiger;
inherit (pkgs) tree-sitter;
};
}) // {
overlays = {
default = final: prev: {
tree-sitter = prev.tree-sitter.override {
extraGrammars = {
tree-sitter-tiger = {
src = ./.;
};
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};
};
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};
};
};
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}