410 lines
13 KiB
Nix
410 lines
13 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.programs.neovim;
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fileType = (import ../lib/file-type.nix {
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inherit (config.home) homeDirectory;
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inherit lib pkgs;
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}).fileType;
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jsonFormat = pkgs.formats.json { };
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extraPython3PackageType = mkOptionType {
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name = "extra-python3-packages";
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description = "python3 packages in python.withPackages format";
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check = with types;
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(x: if isFunction x then isList (x pkgs.python3Packages) else false);
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merge = mergeOneOption;
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};
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# Currently, upstream Neovim is pinned on Lua 5.1 for LuaJIT support.
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# This will need to be updated if Neovim ever migrates to a newer
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# version of Lua.
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extraLua51PackageType = mkOptionType {
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name = "extra-lua51-packages";
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description = "lua5.1 packages in lua5_1.withPackages format";
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check = with types;
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(x: if isFunction x then isList (x pkgs.lua51Packages) else false);
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merge = mergeOneOption;
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};
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pluginWithConfigType = types.submodule {
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options = {
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config = mkOption {
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type = types.nullOr types.lines;
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description =
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"Script to configure this plugin. The scripting language should match type.";
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default = null;
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};
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type = mkOption {
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type =
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types.either (types.enum [ "lua" "viml" "teal" "fennel" ]) types.str;
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description =
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"Language used in config. Configurations are aggregated per-language.";
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default = "viml";
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};
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optional = mkEnableOption "optional" // {
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description = "Don't load by default (load with :packadd)";
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};
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plugin = mkOption {
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type = types.package;
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description = "vim plugin";
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};
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runtime = mkOption {
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default = { };
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# passing actual "${xdg.configHome}/nvim" as basePath was a bit tricky
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# due to how fileType.target is implemented
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type = fileType "<varname>xdg.configHome/nvim</varname>" "nvim";
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example = literalExpression ''
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{ "ftplugin/c.vim".text = "setlocal omnifunc=v:lua.vim.lsp.omnifunc"; }
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'';
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description = lib.mdDoc ''
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Set of files that have to be linked in nvim config folder.
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'';
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};
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};
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};
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allPlugins = cfg.plugins ++ optional cfg.coc.enable {
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type = "viml";
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plugin = cfg.coc.package;
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config = cfg.coc.pluginConfig;
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optional = false;
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};
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extraMakeWrapperArgs = lib.optionalString (cfg.extraPackages != [ ])
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''--suffix PATH : "${lib.makeBinPath cfg.extraPackages}"'';
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extraMakeWrapperLuaCArgs = lib.optionalString (cfg.extraLuaPackages != [ ]) ''
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--suffix LUA_CPATH ";" "${
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lib.concatMapStringsSep ";" pkgs.lua51Packages.getLuaCPath
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cfg.extraLuaPackages
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}"'';
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extraMakeWrapperLuaArgs = lib.optionalString (cfg.extraLuaPackages != [ ]) ''
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--suffix LUA_PATH ";" "${
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lib.concatMapStringsSep ";" pkgs.lua51Packages.getLuaPath
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cfg.extraLuaPackages
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}"'';
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in {
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imports = [
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(mkRemovedOptionModule [ "programs" "neovim" "withPython" ]
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"Python2 support has been removed from neovim.")
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(mkRemovedOptionModule [ "programs" "neovim" "extraPythonPackages" ]
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"Python2 support has been removed from neovim.")
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(mkRemovedOptionModule [ "programs" "neovim" "configure" ] ''
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programs.neovim.configure is deprecated.
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Other programs.neovim options can override its settings or ignore them.
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Please use the other options at your disposal:
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configure.packages.*.opt -> programs.neovim.plugins = [ { plugin = ...; optional = true; }]
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configure.packages.*.start -> programs.neovim.plugins = [ { plugin = ...; }]
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configure.customRC -> programs.neovim.extraConfig
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'')
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];
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options = {
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programs.neovim = {
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enable = mkEnableOption "Neovim";
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viAlias = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Symlink <command>vi</command> to <command>nvim</command> binary.
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'';
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};
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vimAlias = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Symlink <command>vim</command> to <command>nvim</command> binary.
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'';
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};
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vimdiffAlias = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Alias <command>vimdiff</command> to <command>nvim -d</command>.
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'';
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};
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withNodeJs = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Enable node provider. Set to <literal>true</literal> to
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use Node plugins.
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'';
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};
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withRuby = mkOption {
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type = types.nullOr types.bool;
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default = true;
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description = ''
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Enable ruby provider.
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'';
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};
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withPython3 = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Enable Python 3 provider. Set to <literal>true</literal> to
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use Python 3 plugins.
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'';
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};
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extraPython3Packages = mkOption {
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type = with types; either extraPython3PackageType (listOf package);
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default = (_: [ ]);
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defaultText = literalExpression "ps: [ ]";
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example = literalExpression "(ps: with ps; [ python-language-server ])";
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description = ''
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A function in python.withPackages format, which returns a
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list of Python 3 packages required for your plugins to work.
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'';
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};
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extraLuaPackages = mkOption {
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type = with types; either extraLua51PackageType (listOf package);
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default = [ ];
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defaultText = literalExpression "[ ]";
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example = literalExpression "(ps: with ps; [ luautf8 ])";
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description = ''
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A function in lua5_1.withPackages format, which returns a
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list of Lua packages required for your plugins to work.
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'';
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};
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generatedConfigViml = mkOption {
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type = types.lines;
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visible = true;
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readOnly = true;
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description = ''
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Generated vimscript config.
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'';
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};
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generatedConfigs = mkOption {
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type = types.attrsOf types.lines;
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visible = true;
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readOnly = true;
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example = literalExpression ''
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{
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viml = '''
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" Generated by home-manager
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map <leader> ,
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''';
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lua = '''
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-- Generated by home-manager
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vim.opt.background = "dark"
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''';
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}'';
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description = ''
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Generated configurations with as key their language (set via type).
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'';
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};
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package = mkOption {
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type = types.package;
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default = pkgs.neovim-unwrapped;
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defaultText = literalExpression "pkgs.neovim-unwrapped";
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description = "The package to use for the neovim binary.";
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};
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finalPackage = mkOption {
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type = types.package;
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visible = false;
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readOnly = true;
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description = "Resulting customized neovim package.";
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};
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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example = ''
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set nobackup
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'';
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description = ''
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Custom vimrc lines.
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'';
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};
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extraLuaConfig = mkOption {
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type = types.lines;
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default = "";
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example = ''
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vim.opt.nobackup = true
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'';
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description = ''
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Custom lua lines.
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'';
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};
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extraPackages = mkOption {
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type = with types; listOf package;
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default = [ ];
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example = literalExpression "[ pkgs.shfmt ]";
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description = "Extra packages available to nvim.";
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};
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plugins = mkOption {
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type = with types; listOf (either package pluginWithConfigType);
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default = [ ];
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example = literalExpression ''
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with pkgs.vimPlugins; [
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yankring
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vim-nix
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{ plugin = vim-startify;
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config = "let g:startify_change_to_vcs_root = 0";
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}
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]
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'';
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description = ''
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List of vim plugins to install optionally associated with
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configuration to be placed in init.vim.
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</para><para>
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This option is mutually exclusive with <varname>configure</varname>.
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'';
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};
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coc = {
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enable = mkEnableOption "Coc";
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package = mkOption {
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type = types.package;
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default = pkgs.vimPlugins.coc-nvim;
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defaultText = literalExpression "pkgs.vimPlugins.coc-nvim";
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description = "The package to use for the CoC plugin.";
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};
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settings = mkOption {
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type = jsonFormat.type;
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default = { };
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example = literalExpression ''
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{
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"suggest.noselect" = true;
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"suggest.enablePreview" = true;
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"suggest.enablePreselect" = false;
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"suggest.disableKind" = true;
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languageserver = {
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haskell = {
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command = "haskell-language-server-wrapper";
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args = [ "--lsp" ];
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rootPatterns = [
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"*.cabal"
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"stack.yaml"
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"cabal.project"
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"package.yaml"
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"hie.yaml"
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];
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filetypes = [ "haskell" "lhaskell" ];
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};
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};
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};
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'';
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description = ''
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Extra configuration lines to add to
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<filename>$XDG_CONFIG_HOME/nvim/coc-settings.json</filename>
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See
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<link xlink:href="https://github.com/neoclide/coc.nvim/wiki/Using-the-configuration-file" />
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for options.
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'';
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};
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pluginConfig = mkOption {
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type = types.lines;
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default = "";
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description = "Script to configure CoC. Must be viml.";
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};
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};
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};
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};
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config = let
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defaultPlugin = {
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type = "viml";
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plugin = null;
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config = null;
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optional = false;
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runtime = { };
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};
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# transform all plugins into a standardized attrset
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pluginsNormalized =
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map (x: defaultPlugin // (if (x ? plugin) then x else { plugin = x; }))
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allPlugins;
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suppressNotVimlConfig = p:
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if p.type != "viml" then p // { config = null; } else p;
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neovimConfig = pkgs.neovimUtils.makeNeovimConfig {
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inherit (cfg) extraPython3Packages withPython3 withRuby viAlias vimAlias;
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withNodeJs = cfg.withNodeJs || cfg.coc.enable;
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plugins = map suppressNotVimlConfig pluginsNormalized;
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customRC = cfg.extraConfig;
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};
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in mkIf cfg.enable {
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programs.neovim.generatedConfigViml = neovimConfig.neovimRcContent;
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programs.neovim.generatedConfigs = let
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grouped = lib.lists.groupBy (x: x.type) pluginsNormalized;
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concatConfigs = lib.concatMapStrings (p: p.config);
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configsOnly = lib.foldl
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(acc: p: if p.config != null then acc ++ [ (p.config) ] else acc) [ ];
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in mapAttrs (name: vals: lib.concatStringsSep "\n" (configsOnly vals))
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grouped;
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home.packages = [ cfg.finalPackage ];
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xdg.configFile =
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let hasLuaConfig = hasAttr "lua" config.programs.neovim.generatedConfigs;
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in mkMerge (
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# writes runtime
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(map (x: x.runtime) pluginsNormalized) ++ [{
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"nvim/init-home-manager.vim" =
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mkIf (neovimConfig.neovimRcContent != "") {
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text = neovimConfig.neovimRcContent;
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};
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"nvim/init.lua" = let
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luaRcContent =
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lib.optionalString (neovimConfig.neovimRcContent != "")
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"vim.cmd [[source ${config.xdg.configHome}/nvim/init-home-manager.vim]]"
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+ config.programs.neovim.extraLuaConfig
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+ lib.optionalString hasLuaConfig
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config.programs.neovim.generatedConfigs.lua;
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in mkIf (luaRcContent != "") { text = luaRcContent; };
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"nvim/coc-settings.json" = mkIf cfg.coc.enable {
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source = jsonFormat.generate "coc-settings.json" cfg.coc.settings;
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};
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}]);
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programs.neovim.finalPackage = pkgs.wrapNeovimUnstable cfg.package
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(neovimConfig // {
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wrapperArgs = (lib.escapeShellArgs neovimConfig.wrapperArgs) + " "
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+ extraMakeWrapperArgs + " " + extraMakeWrapperLuaCArgs + " "
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+ extraMakeWrapperLuaArgs;
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wrapRc = false;
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});
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programs.bash.shellAliases = mkIf cfg.vimdiffAlias { vimdiff = "nvim -d"; };
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programs.fish.shellAliases = mkIf cfg.vimdiffAlias { vimdiff = "nvim -d"; };
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programs.zsh.shellAliases = mkIf cfg.vimdiffAlias { vimdiff = "nvim -d"; };
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};
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}
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