From 659ef00c71fd17efd2d8ffe5bbe5bd9f1698e73d Mon Sep 17 00:00:00 2001
From: Brian Picciano <me@mediocregopher.com>
Date: Sun, 6 Oct 2024 17:43:18 +0200
Subject: Drag my neovim config kicking and screaming into the future (LSP)

---
 nvim/default.nix | 81 +++++++++++++++++++++++---------------------------------
 1 file changed, 33 insertions(+), 48 deletions(-)

(limited to 'nvim/default.nix')

diff --git a/nvim/default.nix b/nvim/default.nix
index 87a4693..4e108f0 100644
--- a/nvim/default.nix
+++ b/nvim/default.nix
@@ -2,69 +2,54 @@
 
   pkgs = (import ../pkgs.nix).stable {};
 
-  misspell = pkgs.buildGoPackage rec {
-    pname = "misspell";
-    version = "0.3.4";
-    goPackagePath = "github.com/client9/misspell";
-
-    src = pkgs.fetchFromGitHub {
-      owner = "client9";
-      repo = "misspell";
-      rev = "v${version}";
-      sha256 = "1vwf33wsc4la25zk9nylpbp9px3svlmldkm0bha4hp56jws4q9cs";
-    };
-
-    goDeps = ./misspellDeps.nix;
+  gopls = pkgs.buildGoModule rec {
+    pname = "gopls";
+    version = "0.16.2";
+
+    src = "${pkgs.fetchFromGitHub {
+      owner = "golang";
+      repo = "tools";
+      rev = "gopls/v${version}";
+      sha256 = "sha256-amy00VMUcmyjDoZ4d9/+YswfcZ+1/cGvFsA4sAmc1dA=";
+    }}/gopls";
+
+    subPackages = ["."];
+    vendorHash = "sha256-ta94xPboFtSxFeuMtPX76XiC1O7osNl4oLk64wIyyz4=";
+    doCheck = false;
   };
 
   env = pkgs.buildEnv {
     name = "nvim-env";
     paths = [
-      pkgs.shellcheck
-      misspell
+      gopls
     ];
   };
 
-  envPlugins = "${env}/share/vim-plugins";
+  init = pkgs.writeText "nvim-init.lua" ''
+    vim.cmd('source ${pkgs.vimPlugins.vim-plug}/plug.vim')
 
-  init = pkgs.writeText "nvim-init" ''
-    source ${pkgs.vimPlugins.vim-plug}/plug.vim
+    local Plug = vim.fn['plug#']
 
-    call plug#begin()
-    Plug '${pkgs.vimPlugins.deoplete-nvim}'
-    Plug '${pkgs.vimPlugins.nerdtree}', { 'on':  'NERDTreeToggle' }
-    Plug '${pkgs.vimPlugins.nerdtree-git-plugin}'
-    Plug '${pkgs.vimPlugins.vim-gitgutter}'
-    Plug '${pkgs.vimPlugins.neomake}'
-    Plug '${pkgs.vimPlugins.vim-go}', { 'for': 'go' }
-    Plug '${pkgs.vimPlugins.vim-nix}', { 'for': 'nix' }
-    Plug '${pkgs.vimPlugins.rust-vim}', { 'for': 'rust' }
-    call plug#end()
+    vim.call('plug#begin')
 
-    source ${./init.vim}
-  '';
+    Plug('${pkgs.vimPlugins.nerdtree}', { ['on'] = 'NERDTreeToggle' })
+    Plug('${pkgs.vimPlugins.nerdtree-git-plugin}')
+    Plug('${pkgs.vimPlugins.vim-gitgutter}')
 
-  nvimRaw = pkgs.writeScriptBin "nvim" ''
-    #!${pkgs.bash}/bin/bash
-    export PATH=${env}/bin:$PATH
-    exec ${pkgs.neovim}/bin/nvim -u ${init} "$@"
-  '';
+    Plug('${pkgs.vimPlugins.nvim-lspconfig}')
+    Plug('${pkgs.vimPlugins.nvim-cmp}')
+    Plug('${pkgs.vimPlugins.cmp-nvim-lsp}')
 
-  rplugin = pkgs.stdenv.mkDerivation {
-    name = "nvim-rplugin";
-    buildInputs = [ pkgs.git pkgs.tree nvimRaw ];
-    builder = builtins.toFile "builder.sh" ''
-      source $stdenv/setup
-      mkdir -p "$out"/
-      export NVIM_RPLUGIN_MANIFEST="$out"/rplugin.vim
-      nvim -i NONE -c ':UpdateRemotePlugins' -c ':exit' >/dev/null
-    '';
-  };
+    vim.call('plug#end')
+
+    vim.cmd('source ${./init.vim}')
+
+    ${builtins.readFile ./init.lua}
+  '';
 
   nvim = pkgs.writeScriptBin "nvim" ''
     #!${pkgs.bash}/bin/bash
-    export NVIM_RPLUGIN_MANIFEST=${rplugin}/rplugin.vim
-    exec ${nvimRaw}/bin/nvim "$@"
+    export PATH=${env}/bin:$PATH
+    exec ${pkgs.neovim}/bin/nvim -u ${init} "$@"
   '';
-
 }
-- 
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