Neovim config

flake.lock

@@ -49,11 +49,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1641459437,
-        "narHash": "sha256-z0IOcc6LLbVhyri/aTyWzRqJs3p1pBK9idOiMwCWiqs=",
+        "lastModified": 1641700429,
+        "narHash": "sha256-+Pd33S+4+VX6RYGJQ5Q4n46+iRLr9y9ilq9oC/bcnoc=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "c751aeb19e84a0a777f36fd5ea73482a066bb406",
+        "rev": "a90ddcd62748e445bbbe01834595eda29dc28db9",
         "type": "github"
       },
       "original": {
@@ -84,11 +84,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1641230035,
-        "narHash": "sha256-hFyqihERaTbLxCOlugy/rpp22VLtLh8SPRnA2uu3F/8=",
+        "lastModified": 1641528457,
+        "narHash": "sha256-FyU9E63n1W7Ql4pMnhW2/rO9OftWZ37pLppn/c1aisY=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "78cd22c1b8604de423546cd49bfe264b786eca13",
+        "rev": "ff377a78794d412a35245e05428c8f95fef3951f",
         "type": "github"
       },
       "original": {

home-manager/modules/fish/default.nix

@@ -46,6 +46,10 @@ in
       shellAliases = {
         # code = "${pkgs.vscode}/bin/code --enable-features=UseOzonePlatform --ozone-platform=wayland";
         ls = "${pkgs.exa}/bin/exa -Fb";
+
+        vimdiff = mkIf (config.eboskma.programs.neovim.enable) "nvim -d";
+        vim = mkIf (config.eboskma.programs.neovim.enable) "nvim";
+        vi = mkIf (config.eboskma.programs.neovim.enable) "nvim";
       };
       interactiveShellInit = ''
       '';

home-manager/modules/neovim/config/init.lua

@@ -0,0 +1,59 @@
+-- vim: ft=lua
+
+local execute = vim.api.nvim_command
+local fn = vim.fn
+
+local install_path = fn.stdpath('data')..'/site/pack/packer/start/packer.nvim'
+
+if fn.empty(fn.glob(install_path)) > 0 then
+  fn.system({'git', 'clone', 'https://github.com/wbthomason/packer.nvim', install_path})
+  execute 'packadd packer.nvim'
+end
+
+vim.cmd 'filetype on'
+vim.cmd 'filetype plugin on'
+vim.cmd 'filetype indent on'
+vim.cmd 'syntax enable'
+
+local packer = require('packer')
+
+packer.startup(function()
+
+  -- fzf-like file navigator
+  use 'nvim-telescope/telescope.nvim'
+  use 'nvim-lua/popup.nvim'
+  use 'nvim-lua/plenary.nvim'
+  use 'kyazdani42/nvim-web-devicons'
+
+  -- Better syntax highlighting
+  use { 'nvim-treesitter/nvim-treesitter', run = ':TSUpdate' }
+
+  -- LSP config
+  use 'neovim/nvim-lspconfig'
+  use 'simrat39/rust-tools.nvim'
+
+  -- Elixir
+  use {'elixir-editors/vim-elixir', ft = { 'eelixir', 'elixir' }}
+
+  -- Completion
+  use 'hrsh7th/nvim-compe'
+
+  -- Monokai theme
+  use 'tanvirtin/monokai.nvim'
+
+  -- Airline
+  use 'vim-airline/vim-airline'
+  use 'vim-airline/vim-airline-themes'
+
+  -- Snippets
+  use 'hrsh7th/vim-vsnip'
+
+  -- Colemak keymap - This needs to be last
+  use 'jooize/vim-colemak'
+end)
+
+require('settings')
+require('keys')
+require('highlight')
+require('lsp')
+require('completion')

home-manager/modules/neovim/config/lua/completion.lua

@@ -0,0 +1,76 @@
+-- vim: ft=lua
+
+local map = vim.api.nvim_set_keymap
+
+-- Compe setup
+require('compe').setup {
+  enabled = true;
+  autocomplete = true;
+  debug = false;
+  min_length = 1;
+  preselect = 'enable';
+  throttle_time = 80;
+  source_timeout = 200;
+  incomplete_delay = 400;
+  max_abbr_width = 100;
+  max_kind_width = 100;
+  max_menu_width = 100;
+  documentation = true;
+
+  source = {
+    path = true;
+    buffer = true;
+    calc = true;
+    vsnip = true;
+    nvim_lsp = true;
+    nvim_lua = true;
+    spell = true;
+    treesitter = true;
+  };
+}
+
+local t = function(str)
+  return vim.api.nvim_replace_termcodes(str, true, true, true)
+end
+
+local check_back_space = function()
+    local col = vim.fn.col('.') - 1
+    if col == 0 or vim.fn.getline('.'):sub(col, col):match('%s') then
+        return true
+    else
+        return false
+    end
+end
+
+-- Use (s-)tab to:
+--- move to prev/next item in completion menuone
+--- jump to prev/next snippet's placeholder
+_G.tab_complete = function()
+  if vim.fn.pumvisible() == 1 then
+    return t "<C-n>"
+  elseif check_back_space() then
+    return t "<Tab>"
+  else
+    return vim.fn['compe#complete']()
+  end
+end
+_G.s_tab_complete = function()
+  if vim.fn.pumvisible() == 1 then
+    return t "<C-p>"
+  else
+    return t "<S-Tab>"
+  end
+end
+
+map("i", "<Tab>", "v:lua.tab_complete()", {expr = true})
+map("s", "<Tab>", "v:lua.tab_complete()", {expr = true})
+map("i", "<S-Tab>", "v:lua.s_tab_complete()", {expr = true})
+map("s", "<S-Tab>", "v:lua.s_tab_complete()", {expr = true})
+
+vim.o.completeopt = 'menuone,noselect'
+
+map('i', '<C-Space>', 'compe#complete()', {expr = true, silent = true, noremap = true})
+map('i', '<CR>', "compe#confirm('<CR>')", {expr = true, silent = true, noremap = true})
+map('i', '<C-e>', "compe#close()", {expr = true, silent = true, noremap = true})
+map('i', '<C-t>', "compe#scroll({'delta': +4})", {expr = true, silent = true, noremap = true})
+map('i', '<C-s>', "compe#scroll({'delta': -4})", {expr = true, silent = true, noremap = true})

home-manager/modules/neovim/config/lua/highlight.lua

@@ -0,0 +1,19 @@
+-- vim: ft=lua
+
+local treesitter = require('nvim-treesitter.configs')
+
+treesitter.setup({
+  ensure_installed = 'maintained',
+  autopairs = {
+    enable = true
+  },
+  highlight = {
+    enable = true
+  },
+  incremental_selection = {
+    enable = true
+  },
+  indent = {
+    enable = true
+  }
+})

home-manager/modules/neovim/config/lua/keys.lua

@@ -0,0 +1,36 @@
+local map = vim.api.nvim_set_keymap
+
+-- Set space as leader
+map('n', ' ', '', {noremap = true})
+vim.g.mapleader = ' '
+
+-- Clear highlights with <space><space>
+map('n', '<leader> ', ':noh<cr>', {noremap = true})
+
+-- Splits
+map('n', '<leader>s', '<C-w>s', {noremap = true})
+map('n', '<leader>v', '<C-w>v', {noremap = true})
+
+-- Previous and next tab
+map('n', '<leader>[', ':tabp<cr>', {noremap = true})
+map('n', '<leader>]', ':tabn<cr>', {noremap = true})
+
+-- New tab
+map('n', '<leader>t', ':tabnew<cr>', {noremap = true})
+
+-- File finder
+map('n', '<leader>ff', '<cmd>Telescope find_files<cr>', {noremap = true})
+map('n', '<leader>fg', '<cmd>Telescope live_grep<cr>', {noremap = true})
+map('n', '<leader>fb', '<cmd>Telescope buffers<cr>', {noremap = true})
+map('n', '<leader>fh', '<cmd>Telescope help_tags<cr>', {noremap = true})
+
+-- LSP
+map('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<cr>', {noremap = true, silent = true})
+map('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<cr>', {noremap = true, silent = true})
+map('n', 'gr', '<cmd>lua vim.lsp.buf.references()<cr>', {noremap = true, silent = true})
+map('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<cr>', {noremap = true, silent = true})
+
+map('n', '<C-.>', '<cmd>lua vim.lsp.buf.hover()<cr>', {noremap = true, silent = true})
+map('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<cr>', {noremap = true, silent = true})
+map('n', '[g', '<cmd>lua vim.lsp.diagnostic.goto_prev()<cr>', {noremap = true, silent = true})
+map('n', ']g', '<cmd>lua vim.lsp.diagnostic.goto_next()<cr>', {noremap = true, silent = true})

home-manager/modules/neovim/config/lua/lsp.lua

@@ -0,0 +1,46 @@
+-- vim: ft=lua
+
+local nvim_lsp = require('lspconfig')
+
+nvim_lsp.elixirls.setup({
+  cmd = {'/home/erwin/elixir-ls/language_server.sh'},
+  settings = {
+    elixirLS = {
+      fetchDeps = false
+    }
+  }
+})
+
+local rust_opts = {
+  tools = {
+    autoSetHints = true,
+    hover_with_actions = true,
+    runnables = {
+      use_telescope = true,
+    },
+    inlay_hints = {
+      show_parameter_hints = true,
+      parameter_hints_prefix = '<-',
+      other_hints_prefix = '=>',
+      max_len_align = false,
+      max_len_align_padding = 1,
+      right_align = false,
+      right_align_padding = 7,
+    },
+    hover_actions = {
+      border = {
+        {'╭', 'FloatBorder'},
+        {'─', 'FloatBorder'},
+        {'╮', 'FloatBorder'},
+        {'│', 'FloatBorder'},
+        {'╯', 'FloatBorder'},
+        {'─', 'FloatBorder'},
+        {'╰', 'FloatBorder'},
+        {'│', 'FloatBorder'},
+      },
+    },
+  },
+  server = {},
+}
+
+require('rust-tools').setup(rust_opts)

home-manager/modules/neovim/config/lua/settings.lua

@@ -0,0 +1,129 @@
+-- vim: ft=lua:foldmethod=marker:foldmarker=[[[,]]]
+
+local Path = require('plenary.path')
+
+local g = vim.g
+local o = vim.o
+local wo = vim.wo
+local bo = vim.bo
+local cmd = vim.cmd
+local api = vim.api
+
+-- Line numbers [[[
+  wo.number = true
+  wo.relativenumber = true
+-- ]]]
+
+-- Indenting [[[
+  bo.autoindent = true
+  bo.smartindent = true
+  o.smarttab = true
+  bo.expandtab = true
+  bo.tabstop = 2
+  bo.shiftwidth = 2
+-- ]]]
+
+-- Backup and swap files [[[
+  local cache_dir = Path:new(vim.env.HOME .. '/.cache/nvim/tmp')
+  if not cache_dir:exists() then
+    cache_dir:mkdir({mode = 493})
+  end
+
+  o.backupcopy = 'yes'
+  g.backupdir = cache_dir:expand()
+  o.updatetime = 300
+  bo.swapfile = false
+-- ]]]
+
+-- Theme [[[
+  cmd 'colorscheme monokai'
+  o.termguicolors = true
+  o.background = 'dark'
+-- ]]]
+
+-- Airline [[[
+  g.airline_theme = 'molokai'
+  g.airline_powerline_fonts = 1
+-- ]]]
+
+-- Undo stuff [[[
+  if vim.fn.exists('+undofile') then
+    local undo_dir = Path:new(vim.env.HOME .. '/.cache/nvim/undo')
+    if not undo_dir:exists() then
+      undo_dir:mkdir({mode = 493})
+    end
+
+    o.undofile = true
+    o.undodir = undo_dir:expand()
+    o.undolevels = 500
+  end
+-- ]]]
+
+-- Misc [[[
+  wo.signcolumn = 'auto'
+  wo.colorcolumn = '+1'
+  -- bo.textwidth = 120
+  o.wildmenu = true
+  o.hlsearch = true
+  wo.foldmethod = 'marker'
+  o.exrc = true
+  o.secure = true
+  wo.wrap = false
+-- ]]]
+
+-- netrw [[[
+  g.netrw_banner = 1
+  g.netrw_liststyle = 3
+  g.netrw_altv = 1
+  g.netrw_winsize = 20
+  g.netrw_preview = 1
+-- ]]]
+
+-- Autocommands [[[
+  function create_augroup(autocmds, name)
+    cmd('augroup ' .. name)
+    cmd('autocmd!')
+    for _, autocmd in ipairs(autocmds) do
+      cmd('autocmd ' .. table.concat(autocmd, ' '))
+    end
+    cmd('augroup END')
+  end
+
+  if not vim.fn.has('gui_running') then
+    o.timeoutlen = 1000
+
+    create_augroup({
+      { 'InsertEnter', '*', 'set timeoutlen=0' },
+      { 'InsertLeave', '*', 'set timeoutlen=1000' }
+    }, 'fast_escape')
+  end
+
+  if vim.fn.has('autocmd') then
+    create_augroup({
+        { 'FileType', 'text', 'setlocal', 'textwidth=78' },
+        { 'FileType', 'gitcommit', 'setlocal', 'spell' },
+        { 'FileType', 'markdown', 'setlocal', 'spell' },
+        { 'FileType', 'markdown', 'setlocal', 'wrap' },
+        { 'BufNewFile,BufRead', '*.ex,*.eex', 'setf', 'elixir' },
+        { 'BufNewFile,BufRead', '*.eex,*.leex,*.heex,*.sface', 'setf', 'eelixir' },
+        { 'BufNewFile,BufRead', 'mix.lock', 'set', 'filetype=elixir' },
+    }, 'filetypes')
+  end
+-- ]]]
+
+-- Ignores [[[
+  vim.opt.wildignore = {
+    '*/.git/*',
+    '*/tmp/*',
+    '*.swp',
+    '*/.DS_Store',
+    '*/vendor',
+    '*/env/*',
+    '*/deps/*',
+    '*/_build/*',
+    '*/elixir_ls/*',
+    '*/node_modules/*',
+    '*/*.ghc',
+    '*/*.o'
+  }
+-- ]]]

home-manager/modules/neovim/default.nix

@@ -7,17 +7,29 @@ in
   options.eboskma.programs.neovim = { enable = mkEnableOption "activate neovim"; };
 
   config = mkIf cfg.enable {
-    programs.neovim = {
-      enable = true;
+    # unfortunately this does properly support a Lua based config
+    # programs.neovim = {
+    #   enable = true;
 
-      # Enable some aliases
-      viAlias = true;
-      vimAlias = true;
-      vimdiffAlias = true;
+    #   # Enable some aliases
+    #   viAlias = true;
+    #   vimAlias = true;
+    #   vimdiffAlias = true;
 
-      withNodeJs = true;
-      withPython3 = true;
-      withRuby = true;
+    #   withNodeJs = true;
+    #   withPython3 = true;
+    #   withRuby = true;
+
+    #   extraConfig = ''
+    #     luafile ./config.lua
+    #   '';
+    # };
+
+    home.packages = with pkgs; [ neovim ];
+
+    xdg.configFile.nvim = {
+      source = ./config;
+      recursive = true;
     };
   };
 }

home-manager/modules/ssh/default.nix

@@ -19,6 +19,7 @@ in
             KexAlgorithms = "curve25519-sha256,curve25519-sha256@libssh.org,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512,diffie-hellman-group-exchange-sha256";
             MACs = "hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,umac-128-etm@openssh.com";
             HostKeyAlgorithms = "ssh-ed25519,ssh-ed25519-cert-v01@openssh.com,sk-ssh-ed25519@openssh.com,sk-ssh-ed25519-cert-v01@openssh.com,rsa-sha2-256,rsa-sha2-256-cert-v01@openssh.com,rsa-sha2-512,rsa-sha2-512-cert-v01@openssh.com";
+            SetEnv = "TERM=xterm-256color";
           };
         };
         home = {