Fix everything.

home/jimbo/programs/neovim/default.nix

@@ -0,0 +1,112 @@
+{ config, pkgs, ... }:
+{
+  programs.neovim = {
+    enable = true;
+    defaultEditor = true;
+    viAlias = true;
+    vimAlias = true;
+    plugins = with pkgs.vimPlugins; [
+      # Vim theme
+      vim-airline
+      vim-airline-themes
+
+      # Internal clipboard
+      vim-vsnip
+      cmp-vsnip
+
+      # Autocomplete manager
+      lspkind-nvim
+
+      # Autocomplete plugins
+      cmp-nvim-lsp
+      cmp-buffer
+      cmp-path
+      cmp-cmdline
+      nvim-cmp
+
+      # Hex color visualizer and color theme
+      nvim-colorizer-lua
+      vim-monokai-pro
+
+      # Discord RPC
+      vimsence
+
+      # Nerdtree
+      nerdtree
+      vim-nerdtree-syntax-highlight
+
+      # Misc languages
+      kdl-vim
+    ];
+    extraConfig = ''
+      lua <<EOF
+      -- Set up nvim-cmp
+      local cmp = require'cmp'
+
+      cmp.setup({
+        snippet = {
+          -- REQUIRED - you must specify a snippet engine
+          expand = function(args)
+            vim.fn["vsnip#anonymous"](args.body)
+          end,
+        },
+        mapping = cmp.mapping.preset.insert({
+          ['<C-b>'] = cmp.mapping.scroll_docs(-4),
+          ['<C-f>'] = cmp.mapping.scroll_docs(4),
+          ['<C-Space>'] = cmp.mapping.complete(),
+          ['<C-e>'] = cmp.mapping.abort(),
+          ['<CR>'] = cmp.mapping.confirm({ select = true }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
+        }),
+        sources = cmp.config.sources({
+          { name = 'nvim_lsp' },
+          { name = 'vsnip' }
+        }, {
+          { name = 'buffer' },
+        })
+      })
+
+      -- Use buffer source for '/' and '?'
+      cmp.setup.cmdline({ '/', '?' }, {
+        mapping = cmp.mapping.preset.cmdline(),
+        sources = {
+          { name = 'buffer' }
+        }
+      })
+
+      -- Use cmdline & path source for ':'
+      cmp.setup.cmdline(':', {
+        mapping = cmp.mapping.preset.cmdline(),
+        sources = cmp.config.sources({
+          { name = 'path' }
+        }, {
+          { name = 'cmdline' }
+        })
+      })
+      EOF
+
+      colorscheme monokai_pro
+      let g:airline_theme='onedark'
+      let g:airline#extensions#tabline#enabled = 1
+      hi Normal guibg=none ctermbg=235
+      hi Visual guibg=#202020 ctermbg=238
+      hi Pmenu guibg=#202020 ctermbg=238
+      hi EndOfBuffer guibg=none ctermbg=235
+      hi LineNr guibg=none ctermbg=none
+      lua require'colorizer'.setup()
+
+      set nu rnu
+      set termguicolors
+      set mouse=a
+
+      set undofile
+      set undodir=$HOME/.local/share/nvim/undo
+      set undolevels=100
+      set undoreload=10000
+
+      nmap <C-x> :bnext<CR>
+      nmap <C-z> :bprev<CR>
+      nmap <C-w> :bd<CR>
+      nmap <C-a> :NERDTreeToggleVCS<CR>
+    '';
+  };
+}