cleanup some vim configs, highlight long parts of lines

nix/home/programs/nvim/default.nix

@@ -1,15 +1,5 @@
 { pkgs, ... }:
 let
-  vim-goyo = pkgs.vimUtils.buildVimPlugin {
-    name = "vim-goyo";
-    src = pkgs.fetchFromGitHub {
-      owner = "junegunn";
-      repo = "goyo.vim";
-      rev = "6b6ed2734084fdbb6315357ddcaecf9c8e6f143d";
-      sha256 = "1ywlz1hn54kxyp5q0angriaarimq7ys7m6sk6l4x8jr1g2yh0afz";
-    };
-  };
-
   vim-nix = pkgs.vimUtils.buildVimPlugin {
     name = "vim-nix";
     src = pkgs.fetchFromGitHub {
@@ -74,7 +64,6 @@ with builtins;
       vim-javascript
       vim-json
       vim-jsx-pretty
-      vim-prisma
 
       vim-commentary
       vim-airline
@@ -125,9 +114,25 @@ with builtins;
           EOF
         '';
       }
-      undotree
-      vim-goyo
-      luasnip
+      {
+        plugin = undotree;
+        config = ''
+          nnoremap <leader>u :UndotreeToggle<CR>
+          let g:undotree_SetFocusWhenToggle = 1
+          if has("persistent_undo")
+             let target_path = expand('~/.undodir')
+
+              " create the directory and any parent directories
+              " if the location does not exist.
+              if !isdirectory(target_path)
+                  call mkdir(target_path, "p", 0700)
+              endif
+
+              let &undodir=target_path
+              set undofile
+          endif
+        '';
+      }
       cmp-nvim-lsp
       {
         plugin = nvim-lspconfig;

nix/home/programs/nvim/init.vim

@@ -6,7 +6,7 @@ filetype plugin indent on
 let g:netrw_liststyle = 3
 set nobackup
 set noswapfile
-set pastetoggle=<F2>
+set pastetoggle=<F3>
 set nowrap
 
 set background=dark
@@ -17,8 +17,10 @@ set number relativenumber
 set numberwidth=1
 set cursorline
 set cursorcolumn
+autocmd WinEnter * if !exists('w:overLengthMatchId') | let w:overLengthMatchId = matchadd('OverLength', '\%81v.\+\%<122v') | endif
+autocmd WinEnter * if !exists('w:reallyOverLengthMatchId') | let w:reallyOverLengthMatchId = matchadd('ReallyOverLength', '\%121v.\+') | endif
 highlight OverLength ctermbg=DarkRed ctermfg=white guibg=#352e10
-match OverLength /\%81v.\+/
+highlight ReallyOverLength ctermbg=Red ctermfg=white guibg=#330000
 set termguicolors
 set ruler
 set list

nix/home/programs/nvim/nvim-cmp.lua

@@ -1,15 +1,15 @@
 local cmp = require("cmp")
 
 cmp.setup({
-  snippet = {
-    -- REQUIRED - you must specify a snippet engine
-    expand = function(args)
-      -- vim.fn["vsnip#anonymous"](args.body) -- For `vsnip` users.
-      require('luasnip').lsp_expand(args.body) -- For `luasnip` users.
-      -- require('snippy').expand_snippet(args.body) -- For `snippy` users.
-      -- vim.fn["UltiSnips#Anon"](args.body) -- For `ultisnips` users.
-    end,
-  },
+  -- snippet = {
+  --   -- REQUIRED - you must specify a snippet engine
+  --   expand = function(args)
+  --     -- vim.fn["vsnip#anonymous"](args.body) -- For `vsnip` users.
+  --     require('luasnip').lsp_expand(args.body) -- For `luasnip` users.
+  --     -- require('snippy').expand_snippet(args.body) -- For `snippy` users.
+  --     -- vim.fn["UltiSnips#Anon"](args.body) -- For `ultisnips` users.
+  --   end,
+  -- },
   window = {
     completion = cmp.config.window.bordered(),
     documentation = cmp.config.window.bordered(),