140 lines
4 KiB
Nix
140 lines
4 KiB
Nix
{
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description = "Generate a .luarc.json for Lua/Neovim devShells";
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inputs = {
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nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
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flake-parts.url = "github:hercules-ci/flake-parts";
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luvit-meta = {
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url = "github:Bilal2453/luvit-meta";
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flake = false;
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};
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git-hooks = {
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url = "github:cachix/git-hooks.nix";
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inputs.nixpkgs.follows = "nixpkgs";
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};
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};
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outputs = inputs @ {
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self,
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nixpkgs,
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flake-parts,
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luvit-meta,
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git-hooks,
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}:
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flake-parts.lib.mkFlake {inherit inputs;} {
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systems = [
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"x86_64-linux"
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"x86_64-darwin"
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"aarch64-darwin"
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"aarch64-linux"
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];
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perSystem = {system, ...}: let
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pkgs = import nixpkgs {
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inherit system;
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overlays = [
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self.overlays.default
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];
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};
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luarc = pkgs.mk-luarc-json {
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plugins = with pkgs.vimPlugins; [telescope-nvim fidget-nvim];
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};
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git-hooks-check = git-hooks.lib.${system}.run {
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src = self;
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hooks = {
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alejandra.enable = true;
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editorconfig-checker.enable = true;
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};
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};
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in {
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devShells.default = pkgs.mkShell {
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name = "gen-luarc devShell";
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buildInputs = self.checks.${system}.git-hooks-check.enabledPackages;
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shellHook = ''
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ln -fs ${pkgs.luarc-to-json luarc} .luarc.json
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'';
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};
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checks = rec {
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default = git-hooks-check;
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inherit git-hooks-check;
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};
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};
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flake = {
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overlays.default = final: prev: let
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inherit (final) lib;
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in {
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mk-luarc = {
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# list of plugins that have a /lua directory
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nvim ? final.neovim-unwrapped,
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plugins ? [],
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meta ? {
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luvit = true;
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},
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lua-version ? "5.1",
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disabled-diagnostics ? [],
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globals ? [],
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}: let
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pluginPackages =
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map (x: x.plugin or x)
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plugins;
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partitions = builtins.partition (plugin:
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plugin.vimPlugin
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or false
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|| plugin.pname or "" == "nvim-treesitter")
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pluginPackages;
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nvim-plugins = partitions.right;
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rocks = partitions.wrong;
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plugin-luadirs = builtins.map (plugin: "${plugin}/lua") nvim-plugins;
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pkg-libdirs = builtins.map (pkg: "${pkg}/lib/lua/${lua-version}") rocks;
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pkg-sharedirs = builtins.map (pkg: "${pkg}/share/lua/${lua-version}") rocks;
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in {
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runtime.version = "LuaJIT";
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runtime.path = ["?.lua" "?/init.lua"];
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Lua = {
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globals =
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[
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"vim"
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]
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++ globals;
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workspace = {
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library =
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[
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"${nvim}/share/nvim/runtime/lua"
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"\${3rd}/busted/library"
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"\${3rd}/luassert/library"
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]
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++ plugin-luadirs
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++ pkg-libdirs
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++ pkg-sharedirs
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++ (lib.optional (meta.luvit or false) "${luvit-meta}/library");
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ignoreDir = [
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".git"
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".github"
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".direnv"
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"result"
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"nix"
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"doc"
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];
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};
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diagnostics = {
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libraryFiles = "Disable";
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disable = disabled-diagnostics;
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};
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};
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};
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luarc-to-json = luarc:
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final.runCommand ".luarc.json" {
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buildInputs = [
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final.jq
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];
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passAsFile = ["rawJSON"];
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rawJSON = builtins.toJSON luarc;
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} ''
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{
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jq . <"$rawJSONPath"
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} >$out
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'';
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mk-luarc-json = attrs: final.luarc-to-json (final.mk-luarc attrs);
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};
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};
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};
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}
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