Initial Neovim setup

users/tsv/home.nix

@@ -60,8 +60,23 @@
 
   programs.neovim = {
     enable = true;
-    plugins = [
+    plugins = with pkgs.vimPlugins; [
-      pkgs.vimPlugins.packer-nvim
+      telescope-nvim
+      gruvbox-nvim
+      nvim-treesitter.withAllGrammars
+      nvim-web-devicons
+      nvim-tree-lua
+      vim-fugitive
+      git-messenger-vim
+      nvim-lspconfig
+      nvim-cmp
+      cmp-treesitter
+      cmp-path
+      cmp-nvim-lsp
+      cmp-buffer
+      nvim-dap
+      nvim-dap-ui
+      vimwiki
     ];
   };
 
@@ -69,6 +84,8 @@
   home.file.".tmux.conf".source = ./tmux.conf;
   xdg.configFile."git/config".source = ./git/config;
   xdg.configFile."git/config_foxsoft".source = ./git/config_foxsoft;
+  xdg.configFile."nvim/init.lua".source = ./nvim/init.lua;
+  xdg.configFile."nvim/lua/tsv/remap.lua".source = ./nvim/lua/tsv/remap.lua;
   home.file.".ssh/config".source = ./ssh/config;
   home.file.".LESS_TERMCAP".source = ./LESS_TERMCAP;
   services.syncthing.enable = true;

users/tsv/nvim/init.lua

@@ -0,0 +1,49 @@
+require("tsv.remap")
+
+--- Basic stuff
+local set = vim.opt
+set.autoindent = true
+set.tabstop = 2
+set.shiftwidth = 2
+set.softtabstop = 2
+set.expandtab = true
+set.number = true
+set.relativenumber = true
+--- Appearance
+set.cursorline = true
+vim.o.background = "dark"
+require("gruvbox").setup({
+  transparent_mode = true,
+})
+vim.cmd([[colorscheme gruvbox]])
+
+-- Nvim-tree
+require("nvim-tree").setup({
+  sort_by = "case_sensitive",
+  filters = {
+    dotfiles = true,
+  },
+})
+
+-- Treesitter
+require'nvim-treesitter.configs'.setup {
+  sync_install = false,
+  auto_install = false,
+  highlight = {
+    enable = true,
+    additional_vim_regex_highlighting = false,
+  },
+}
+
+-- Completion and LSP
+require'cmp'.setup {
+  sources = {
+    { name = 'nvim_lsp' }
+  }
+}
+require'lspconfig'.solargraph.setup {}
+
+-- Vimwiki
+vim.cmd([[
+  let g:vimwiki_list = [{'path': '$HOME/notes/', 'syntax': 'markdown', 'ext': '.md'}]
+]])

users/tsv/nvim/init.vim

@@ -1,96 +0,0 @@
-if empty(glob('~/.vim/autoload/plug.vim'))
-  silent !curl -fLo ~/.vim/autoload/plug.vim --create-dirs
-    \ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
-endif
-
-" Run PlugInstall if there are missing plugins
-autocmd VimEnter * if len(filter(values(g:plugs), '!isdirectory(v:val.dir)'))
-  \| PlugInstall --sync | source $MYVIMRC
-\| endif
-
-call plug#begin()
-  Plug 'nvim-lua/plenary.nvim'
-  Plug 'morhetz/gruvbox'
-  Plug 'preservim/nerdtree'
-  Plug 'neovim/nvim-lspconfig'
-  Plug 'hrsh7th/nvim-cmp'
-  Plug 'nvim-telescope/telescope.nvim'
-  Plug 'thoughtbot/vim-rspec'
-  Plug 'tpope/vim-rails'
-  Plug 'tpope/vim-endwise'
-  Plug 'ryanoasis/vim-devicons'
-call plug#end()
-
-set nocompatible
-set showmatch
-set ignorecase
-set mouse=v
-set hlsearch
-set incsearch
-set tabstop=2
-set softtabstop=2
-set expandtab
-set shiftwidth=2
-set autoindent
-set number
-set relativenumber
-set wildmode=longest,list
-set cc=80
-filetype plugin indent on
-set clipboard=unnamedplus
-set cursorline
-
-:autocmd ColorScheme * highlight ExtraWhitespace ctermbg=red guibg=red
-colorscheme gruvbox
-
-lua << EOF
-require'lspconfig'.solargraph.setup{}
-
-local nvim_lsp = require('lspconfig')
-
--- Use an on_attach function to only map the following keys
--- after the language server attaches to the current buffer
-local on_attach = function(client, bufnr)
-  local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
-  local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end
-
-  --Enable completion triggered by <c-x><c-o>
-  buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')
-
-  -- Mappings.
-  local opts = { noremap=true, silent=true }
-
-  -- See `:help vim.lsp.*` for documentation on any of the below functions
-  buf_set_keymap('n', 'gD', '<Cmd>lua vim.lsp.buf.declaration()<CR>', opts)
-  buf_set_keymap('n', 'gd', '<Cmd>lua vim.lsp.buf.definition()<CR>', opts)
-  buf_set_keymap('n', 'K', '<Cmd>lua vim.lsp.buf.hover()<CR>', opts)
-  buf_set_keymap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
-  buf_set_keymap('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
-  buf_set_keymap('n', '<space>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
-  buf_set_keymap('n', '<space>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
-  buf_set_keymap('n', '<space>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
-  buf_set_keymap('n', '<space>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
-  buf_set_keymap('n', '<space>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
-  buf_set_keymap('n', '<space>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
-  buf_set_keymap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
-  buf_set_keymap('n', '<space>e', '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>', opts)
-  buf_set_keymap('n', '[d', '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>', opts)
-  buf_set_keymap('n', ']d', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
-  buf_set_keymap('n', '<space>q', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
-  buf_set_keymap("n", "<space>f", "<cmd>lua vim.lsp.buf.formatting()<CR>", opts)
-
-end
-
--- Use a loop to conveniently call 'setup' on multiple servers and
--- map buffer local keybindings when the language server attaches
-local servers = { "solargraph" }
-for _, lsp in ipairs(servers) do
-  nvim_lsp[lsp].setup {
-    on_attach = on_attach,
-    flags = {
-      debounce_text_changes = 150,
-    }
-}
-end
-EOF
-

users/tsv/nvim/lua/tsv/remap.lua

@@ -0,0 +1,20 @@
+vim.g.mapleader = " "
+vim.keymap.set("n", "<leader>pv", vim.cmd.Ex)
+
+-- Telescope
+local builtin = require('telescope.builtin')
+vim.keymap.set('n', '<leader>tf', builtin.find_files, {}) -- Open files
+vim.keymap.set('n', '<leader>ts', builtin.live_grep, {})  -- Grep files
+vim.keymap.set('n', '<leader>tb', builtin.buffers, {})    -- Neovim buffers
+vim.keymap.set('n', '<leader>tr', builtin.resume, {})
+-- Git functionality (all start tg)
+vim.keymap.set('n', '<leader>tgf', builtin.git_files, {})
+vim.keymap.set('n', '<leader>tgc', builtin.git_commits, {})
+vim.keymap.set('n', '<leader>tgb', builtin.git_branches, {})
+-- Then checkout with CR, track with C-t and rebase with C-r!
+
+-- Fugitive
+vim.keymap.set("n", "<leader>gs", vim.cmd.Git);
+
+-- Nvim-tree
+vim.keymap.set("n", "<leader>nt", vim.cmd.NvimTreeToggle, {})