Add a simple neovim config

configuration.nix

@@ -167,10 +167,14 @@ in {
     dnsutils
     graphviz
     fzf
+    fd
     nixfmt
     my_emacs
     libreoffice
     gcc
+    neovim
+    go
+    gopls
     #network-manager-applet
     (clang-tools.override {
       llvmPackages = llvmPackages_17;
@@ -377,6 +381,7 @@ in {
   fonts.fontDir.enable = true;
   fonts.packages = with pkgs; [
     dejavu_fonts
+    (nerdfonts.override { fonts = [ "SourceCodePro" ]; })
     source-code-pro
     font-awesome # for waybar indicators
   ];
@@ -505,6 +510,54 @@ in {
 
     };
 
+    programs.neovim = let
+      modus-themes = pkgs.vimUtils.buildVimPlugin {
+        pname = "modus-themes.nvim";
+        version = "2024-05-06";
+        src = pkgs.fetchFromGitHub {
+          owner = "miikanissi";
+          repo = "modus-themes.nvim";
+          rev = "705ea8debb9d9afe4e631166fcc6121782dd0b32";
+          sha256 = "0hs2ylf1rj0655kpwr4blh399r8k7lg0r2a4nbnymy1pbkx1gh1i";
+        };
+        meta.homepage = "https://github.com/miikanissi/modus-themes.nvim/";
+      };
+
+    in {
+      enable = true;
+      plugins = with pkgs; [
+        vimPlugins.nvim-treesitter
+        vimPlugins.nvim-treesitter.withAllGrammars
+        pkgs.vimPlugins.nvim-treesitter-textobjects
+        vimPlugins.nvim-lspconfig
+
+        vimPlugins.lualine-nvim
+        vimPlugins.telescope-nvim
+        vimPlugins.telescope-fzf-native-nvim
+        vimPlugins.nvim-web-devicons
+
+        vimPlugins.nvim-cmp
+        vimPlugins.cmp-nvim-lsp
+        vimPlugins.cmp-buffer
+        vimPlugins.cmp-cmdline
+        vimPlugins.luasnip
+
+        modus-themes
+      ];
+      extraConfig = ''
+        lua << EOF
+        ${builtins.readFile nvim/basics.lua}
+        ${builtins.readFile nvim/treesitter.lua}
+        ${builtins.readFile nvim/lualine.lua}
+        ${builtins.readFile nvim/telescope.lua}
+        ${builtins.readFile nvim/completion.lua}
+        ${builtins.readFile nvim/luasnip.lua}
+        ${builtins.readFile nvim/lspconfig.lua}
+      '';
+      viAlias = true;
+      vimAlias = true;
+    };
+
     wayland.windowManager.sway = {
       enable = true;
       xwayland = true;
@@ -563,29 +616,27 @@ in {
     programs.foot = {
       enable = true;
       settings = {
-        main = { font = "monospace:size=10"; };
+        main = { font = "Source Code Pro:size=12"; };
 
         colors = {
-          background = "feffff";
-          foreground = "333333";
-
-          regular0 = "333333";
-          regular1 = "bd4436";
-          regular2 = "008700";
-          regular3 = "cdcc42";
-          regular4 = "0017f5";
-          regular5 = "b92cc6";
-          regular6 = "5bbdf9";
-          regular7 = "c7c7c7";
-
-          bright0 = "333333";
-          bright1 = "bd4436";
-          bright2 = "008700";
-          bright3 = "cdcc42";
-          bright4 = "0017f5";
-          bright5 = "b92cc6";
-          bright6 = "5bbdf9";
-          bright7 = "feffff";
+          background = "ffffff";
+          foreground = "000000";
+          regular0 = "000000";
+          regular1 = "a60000";
+          regular2 = "005e00";
+          regular3 = "813e00";
+          regular4 = "0031a9";
+          regular5 = "721045";
+          regular6 = "00538b";
+          regular7 = "bfbfbf";
+          bright0 = "595959";
+          bright1 = "972500";
+          bright2 = "315b00";
+          bright3 = "70480f";
+          bright4 = "2544bb";
+          bright5 = "5317ac";
+          bright6 = "005a5f";
+          bright7 = "ffffff";
         };
         key-bindings = {
           clipboard-copy = "Control+Insert";

emacs.el

@@ -462,6 +462,10 @@ Enable org-roam
                             org-gnus org-info org-irc org-mhe
                             org-rmail org-checklist org-mu4e))
 
+;; Enable line wrap by default in org buffers
+(setq org-startup-truncated nil)
+
+
 ;; Sometimes I sit at night until 4 AM, and I still want org to treat it
 ;; as "today"
 (setq org-extend-today-until 4)
@@ -973,6 +977,14 @@ window, unless BACKGROUND (prefix-argument) is non-nil.
       ))
   )
 
+(defun nix-gopls (int)
+  (let ((curproj (project-current nil)))
+    (if (and curproj (file-exists-p (format "%s/flake.nix" (project-root curproj))))
+        (list "nix" "develop" (format "%s#" (project-root curproj)) "--command" "bash" "-c" "gopls")
+      (list "gopls")
+      ))
+  )
+
 (with-eval-after-load 'eglot
   (add-hook
    'eglot-managed-mode-hook
@@ -990,11 +1002,17 @@ window, unless BACKGROUND (prefix-argument) is non-nil.
                `(c++-ts-mode . ,#'nix-clangd))
   (add-to-list 'eglot-server-programs
                `(c-ts-mode . ,#'nix-clanngd))
+  (add-to-list 'eglot-server-programs
+               `(go-ts-mode . ,#'nix-gopls))
+  (add-to-list 'eglot-server-programs
+               `(go-mode . ,#'nix-gopls))
                )
 
 (add-hook 'c++-mode-hook 'eglot-ensure)
 (add-hook 'c++-ts-mode-hook 'eglot-ensure)
 (add-hook 'c-ts-mode-hook 'eglot-ensure)
+(add-hook 'go-ts-mode-hook 'eglot-ensure)
+(add-hook 'go-mode-hook 'eglot-ensure)
 
 (use-package clang-format)
 (use-package clang-format+)
@@ -1017,6 +1035,12 @@ window, unless BACKGROUND (prefix-argument) is non-nil.
                (and (file-exists-p try)
                     (cons (file-truename try) 'lcov))))))
 
+;; Go
+
+(add-hook 'before-save-hook #'gofmt-before-save)
+
+(use-package go-mode)
+
 ;; Zig
 
 (use-package zig-mode)

flake.lock

@@ -11,11 +11,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1712108714,
-        "narHash": "sha256-QzrcwGuuAP1octIcUw/d+Yi5BEXYt1NOwNLpeUrqKTk=",
+        "lastModified": 1714669473,
+        "narHash": "sha256-LuwvRYxFw8bE3b75oun2HjdbnwGArYEDzRdhtxkx95o=",
         "owner": "nix-community",
         "repo": "emacs-overlay",
-        "rev": "5d0a10938c32f3cb95d1f1f18127948d239c6720",
+        "rev": "8f77253911c7dc3ac829781ac7f37d1d35447c5a",
         "type": "github"
       },
       "original": {
@@ -69,11 +69,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1710888565,
-        "narHash": "sha256-s9Hi4RHhc6yut4EcYD50sZWRDKsugBJHSbON8KFwoTw=",
+        "lastModified": 1714043624,
+        "narHash": "sha256-Xn2r0Jv95TswvPlvamCC46wwNo8ALjRCMBJbGykdhcM=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "f33900124c23c4eca5831b9b5eb32ea5894375ce",
+        "rev": "86853e31dc1b62c6eeed11c667e8cdd0285d4411",
         "type": "github"
       },
       "original": {
@@ -105,11 +105,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1712159163,
-        "narHash": "sha256-dOQAAr9adh00rlCg/eq6GwXo+pH0VC7RyE5uWzzAFLo=",
+        "lastModified": 1714679241,
+        "narHash": "sha256-Ufz2WBGCcqeXkVgD7bdc+JCrnyPt6G28Xpq2ussqygs=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "67e2bc037137e4fdcf6b3132a4f54c165726500b",
+        "rev": "a6f8947d5a77b88ff43625408e2685c0be100a9b",
         "type": "github"
       },
       "original": {
@@ -120,11 +120,11 @@
     },
     "nixpkgs-stable": {
       "locked": {
-        "lastModified": 1711668574,
-        "narHash": "sha256-u1dfs0ASQIEr1icTVrsKwg2xToIpn7ZXxW3RHfHxshg=",
+        "lastModified": 1714531828,
+        "narHash": "sha256-ILsf3bdY/hNNI/Hu5bSt2/KbmHaAVhBbNUOdGztTHEg=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "219951b495fc2eac67b1456824cc1ec1fd2ee659",
+        "rev": "0638fe2715d998fa81d173aad264eb671ce2ebc1",
         "type": "github"
       },
       "original": {
@@ -198,11 +198,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1711855048,
-        "narHash": "sha256-HxegAPnQJSC4cbEbF4Iq3YTlFHZKLiNTk8147EbLdGg=",
+        "lastModified": 1713892811,
+        "narHash": "sha256-uIGmA2xq41vVFETCF1WW4fFWFT2tqBln+aXnWrvjGRE=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "99b1e37f9fc0960d064a7862eb7adfb92e64fa10",
+        "rev": "f1b0adc27265274e3b0c9b872a8f476a098679bd",
         "type": "github"
       },
       "original": {

nvim/basics.lua

@@ -0,0 +1,17 @@
+vim.opt.termguicolors = true
+vim.cmd[[colorscheme modus_operandi]]
+
+HOME = os.getenv("HOME")
+vim.opt.tabstop = 2
+vim.opt.shiftwidth = 2
+vim.opt.expandtab = true
+vim.opt.smartindent = true
+vim.opt.scrolloff=10
+vim.opt.splitright = true
+vim.opt.splitbelow = true
+vim.opt.relativenumber = true
+vim.opt.clipboard = 'unnamedplus'
+vim.g.mapleader = ' '
+
+
+vim.opt.shortmess :append("I")

nvim/completion.lua

@@ -0,0 +1,84 @@
+local luasnip = require("luasnip")
+local cmp = require'cmp'
+cmp.setup({
+  mapping = {
+    ['<C-p>'] = cmp.mapping.select_prev_item(),
+    ['<C-n>'] = cmp.mapping.select_next_item(),
+    ['<C-k>'] = cmp.mapping.scroll_docs(-4),
+    ['<C-j>'] = cmp.mapping.scroll_docs(4),
+    ['<C-Space>'] = cmp.mapping.complete(),
+    ['<C-e>'] = cmp.mapping.abort(),
+    ['<CR>'] = cmp.mapping.confirm({ select = true }),
+    ["<C-k>"] = cmp.mapping(function(fallback)
+      if luasnip.expand_or_jumpable() then
+        luasnip.expand_or_jump()
+      elseif has_words_before() then
+        cmp.complete()
+      else
+        fallback()
+      end
+    end, { "i", "s" }),
+
+    ["<C-j>"] = cmp.mapping(function(fallback)
+      if luasnip.jumpable(-1) then
+        luasnip.jump(-1)
+      else
+        fallback()
+      end
+    end, { "i", "s" }),
+  },
+
+  sources = {
+    { name = 'nvim_lsp' },
+    { name = 'luasnip' },
+    { name = 'nvim_lua' },
+    { name = 'buffer' },
+    { name = 'path' },
+  },
+
+  window = {
+    completion = cmp.config.window.bordered(),
+    -- documentation = cmp.config.window.bordered(),
+  },
+
+  formatting = {
+  },
+
+  snippet = {
+    expand = function(args)
+      require'luasnip'.lsp_expand(args.body)
+    end,
+  },
+
+  experimental = {
+    native_menu = false,
+    ghost_text = true
+  },
+})
+
+-- Set configuration for specific filetype.
+cmp.setup.filetype('gitcommit', {
+  sources = cmp.config.sources({
+    { name = 'cmp_git' }, -- You can specify the `cmp_git` source if you were installed it.
+  }, {
+    { name = 'buffer' },
+  })
+})
+
+-- Use buffer source for `/` (if you enabled `native_menu`, this won't work anymore).
+cmp.setup.cmdline('/', {
+  mapping = cmp.mapping.preset.cmdline(),
+  sources = {
+    { name = 'buffer' }
+  }
+})
+
+-- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
+cmp.setup.cmdline(':', {
+  mapping = cmp.mapping.preset.cmdline(),
+  sources = cmp.config.sources({
+    { name = 'path' }
+  }, {
+    { name = 'cmdline' }
+  })
+})

nvim/lspconfig.lua

@@ -0,0 +1,4 @@
+local capabilities = require('cmp_nvim_lsp').default_capabilities(vim.lsp.protocol.make_client_capabilities())
+
+require'lspconfig'.gopls.setup{capabilities=capabilities}
+require'lspconfig'.rnix.setup{capabilities=capabilities}

nvim/lualine.lua

@@ -0,0 +1,3 @@
+require('lualine').setup({options = {
+  theme = "onelight"
+}})

nvim/luasnip.lua

@@ -0,0 +1 @@
+local ls = require("luasnip")

nvim/telescope.lua

@@ -0,0 +1,21 @@
+require('telescope').setup{
+  extensions = {
+    fzf = {
+      fuzzy = true,
+      override_generic_sorter = true,  -- override the generic sorter
+      override_file_sorter = true,     -- override the file sorter
+      case_mode = "smart_case",        -- or "ignore_case" or "respect_case"
+    },
+    project = {
+    }
+  }
+}
+
+require('telescope').load_extension('fzf')
+
+local builtin = require('telescope.builtin')
+
+vim.keymap.set('n', '<leader>ff', builtin.find_files, {})
+vim.keymap.set('n', '<leader>fg', builtin.live_grep, {})
+vim.keymap.set('n', '<leader>fb', builtin.buffers, {})
+vim.keymap.set('n', '<leader>fh', builtin.help_tags, {})

nvim/treesitter.lua

@@ -0,0 +1,61 @@
+require'nvim-treesitter.configs'.setup {
+  sync_install = false,
+  highlight = {
+    enable = true,
+    additional_vim_regex_highlighting = false,
+  },
+  incremental_selection = {
+    enable = true,
+    keymaps = {
+      init_selection = "gnn", -- set to `false` to disable one of the mappings
+      node_incremental = "grn",
+      scope_incremental = "grc",
+      node_decremental = "grm",
+    },
+  },
+ textobjects = {
+    select = {
+      enable = true,
+      lookahead = true, -- Automatically jump forward to textobj, similar to targets.vim
+      keymaps = {
+        -- You can use the capture groups defined in textobjects.scm
+        ['aa'] = '@parameter.outer',
+        ['ia'] = '@parameter.inner',
+        ['af'] = '@function.outer',
+        ['if'] = '@function.inner',
+        ['ac'] = '@class.outer',
+        ['ic'] = '@class.inner',
+      },
+    },
+    move = {
+      enable = true,
+      set_jumps = true, -- whether to set jumps in the jumplist
+      goto_next_start = {
+        [']m'] = '@function.outer',
+        [']]'] = '@class.outer',
+      },
+      goto_next_end = {
+        [']M'] = '@function.outer',
+        [']['] = '@class.outer',
+      },
+      goto_previous_start = {
+        ['[m'] = '@function.outer',
+        ['[['] = '@class.outer',
+      },
+      goto_previous_end = {
+        ['[M'] = '@function.outer',
+        ['[]'] = '@class.outer',
+      },
+    },
+    swap = {
+      enable = true,
+      swap_next = {
+        ['<leader>a'] = '@parameter.inner',
+      },
+      swap_previous = {
+        ['<leader>A'] = '@parameter.inner',
+      },
+    },
+  },
+  indent = { enable = true }
+}