nix-gen-luarc-json/flake.nix
2024-02-22 23:07:53 +01:00

77 lines
2.2 KiB
Nix

{
description = "Generate a .luarc.json for Lua/Neovim devShells";
inputs = {
nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
flake-parts.url = "github:hercules-ci/flake-parts";
};
outputs = inputs @ {
self,
nixpkgs,
flake-parts,
}:
flake-parts.lib.mkFlake {inherit inputs;} {
flake = {
overlays.default = final: prev: {
mk-luarc = {
# list of plugins that have a /lua directory
nvim ? final.neovim-unwrapped,
neodev-types ? "stable",
plugins ? [],
}: let
lib = final.lib;
plugin-lib-dirs = lib.lists.map (plugin:
if
builtins.hasAttr "vimPlugin" plugin
&& plugin.vimPlugin
|| plugin.pname == "nvim-treesitter"
then "${plugin}/lua"
else "${plugin}/lib/lua/5.1")
plugins;
in {
runtime.version = "LuaJIT";
Lua = {
globals = [
"vim"
];
workspace = {
library =
[
"${nvim}/share/nvim/runtime/lua"
"${final.vimPlugins.neodev-nvim}/types/${neodev-types}"
"\${3rd}/busted/library"
"\${3rd}/luassert/library"
]
++ plugin-lib-dirs;
ignoreDir = [
".git"
".github"
".direnv"
"result"
"nix"
"doc"
];
};
diagnostics = {
libraryFiles = "Disable";
disable = [];
};
};
};
luarc-to-json = luarc: final.runCommand ".luarc.json" {
buildInputs = [
final.jq
];
passAsFile = ["rawJSON"];
rawJSON = builtins.toJSON luarc;
} ''
{
jq . <"$rawJSONPath"
} >$out
'';
mk-luarc-json = attrs: final.luarc-to-json (final.mk-luarc attrs);
};
};
};
}