added stuff

nyx/hosts/gaea/default.nix

@@ -0,0 +1,30 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib) optionalString;
+in {
+  imports = [
+    ./system
+  ];
+
+  services.getty.helpLine =
+    ''
+      The "nixos" and "root" accounts have empty passwords.
+      An ssh daemon is running. You then must set a password
+      for either "root" or "nixos" with `passwd` or add an ssh key
+      to /home/nixos/.ssh/authorized_keys be able to login.
+      If you need a wireless connection, you may use networkmanager
+      by invoking `nmcli` or `nmtui`, the ncurses interface.
+    ''
+    + optionalString config.services.xserver.enable ''
+      Type `sudo systemctl start display-manager' to
+      start the graphical user interface.
+    '';
+
+  # since we don't inherit the core module, this needs to be set here manually
+  # otherwise we'll see the stateVersion error - which doesn't actually matter inside the ISO
+  # but still annoying and slows down nix flake check
+  system.stateVersion = "23.11";
+}

nyx/hosts/gaea/system/default.nix

@@ -0,0 +1,5 @@
+{
+  imports = [
+    ./programs
+  ];
+}

nyx/hosts/gaea/system/programs/default.nix

@@ -0,0 +1,7 @@
+{
+  imports = [
+    ./neovim
+
+    ./git.nix
+  ];
+}

nyx/hosts/gaea/system/programs/git.nix

@@ -0,0 +1,6 @@
+{
+  programs.git = {
+    enable = true;
+    lfs.enable = true;
+  };
+}

nyx/hosts/gaea/system/programs/neovim/config/init.vim

@@ -0,0 +1,71 @@
+"vi:filetype=vim
+
+" add ~/.vim to the beginning of the runtimepath
+set runtimepath^=~/.vim
+
+" set the packpath to the runtimepath
+let &packpath = &runtimepath
+
+" for plugins to load correctly
+filetype plugin indent on
+
+" don't try to be vi compatible
+set nocompatible
+
+" use system clipboard
+set clipboard+=unnamedplus
+
+" syntax highlighting
+syntax enable
+
+" display line numbers
+set number relativenumber
+
+" enable mouse support in all modes
+set mouse=a
+
+" set indentation to spaces instead of tabs
+set noexpandtab
+
+" number of spaces to use for each step of (auto)indent
+set shiftwidth=2
+
+" number of spaces that a <Tab> in the file counts for
+set tabstop=2
+
+" C-style indenting
+set cindent
+
+" 'smart' indenting
+set smartindent
+
+" set the indent of new lines
+set autoindent
+
+" set the folding method based on syntax
+set foldmethod=syntax
+
+
+" spaces instead of tabs for indentation
+set expandtab
+
+" 'smart' tabs that respects 'shiftwidth' for indentation
+set smarttab
+
+" number of spaces a <Tab> in the file counts for
+set tabstop=4
+
+" number of spaces to use for each step of (auto)indent
+set shiftwidth=0
+
+" define backspace behavior in insert mode:
+" - 'indent': allows backspace to delete auto-indentation at the start of a line
+" - 'eol': enables backspace to delete the end-of-line character, acting as line deletion
+" - 'start': allows backspace to delete past the start of insert or typeahead
+set backspace=indent,eol,start
+
+
+" spell Checking
+set spelllang=en " spell check langs
+set spellsuggest=best,9  " suggestions for spelling corrections
+

nyx/hosts/gaea/system/programs/neovim/config/maps.vim

@@ -0,0 +1,9 @@
+" map key <F2> to toggle between hiding/showing current line
+nmap <F2> zA
+
+" map key <F3> to toggle between reducing/enlarging fold level
+nmap <F3> zR
+
+" map key <F4> to fold everything except the cursor line
+nmap <F4> zM
+

nyx/hosts/gaea/system/programs/neovim/config/plugins.vim

@@ -0,0 +1,16 @@
+" customize label for vim-sneak
+let g:sneak#label = 1
+
+" Toggle spell checking in normal mode
+nnoremap <silent> <F3> :set spell!<CR>
+
+" Toggle spell checking in insert mode
+inoremap <silent> <F3> <C-O>:set spell!<CR>
+
+lua << EOF
+require('nvim-treesitter.configs').setup {
+	highlight = {
+		enable = true
+    }
+}
+EOF

nyx/hosts/gaea/system/programs/neovim/default.nix

@@ -0,0 +1,73 @@
+{pkgs, ...}: let
+  inherit (builtins) readFile;
+in {
+  programs = {
+    neovim = {
+      enable = true;
+
+      viAlias = true;
+      vimAlias = true;
+      defaultEditor = true;
+
+      configure = {
+        customRC = ''
+          " -- init --
+          ${readFile ./config/init.vim}
+          " -- mappings --
+          ${readFile ./config/maps.vim}
+          " -- plugin configs --
+          ${readFile ./config/plugins.vim}
+        '';
+
+        packages.myVimPackage = with pkgs.vimPlugins; {
+          start = [
+            # general utils
+            direnv-vim # direnv for vim
+            dressing-nvim # better UI components
+
+            leap-nvim # navigation
+            lualine-nvim # statusline
+            tabular # align text according to regexp
+            undotree # undo history
+            vim-css-color # highlight CSS colors
+            vim-signature # marks on signcolumn
+            which-key-nvim # mapping manager and cheatsheet
+            vim-sneak
+
+            # completion
+            nvim-cmp
+            cmp-buffer
+            cmp-cmdline
+            cmp-nvim-lsp
+            cmp-path
+            cmp_luasnip
+
+            comment-nvim
+            todo-comments-nvim
+
+            luasnip
+            friendly-snippets
+
+            nvim-lspconfig
+            nvim-lint
+            fidget-nvim
+            aerial-nvim
+
+            telescope-nvim # list of files interface
+            telescope-file-browser-nvim
+            telescope-fzy-native-nvim
+
+            vim-fugitive # git in vim
+            gitsigns-nvim
+
+            targets-vim # text objects
+            vim-surround
+            vim-expand-region
+
+            nvim-treesitter.withAllGrammars # better highlighting
+          ];
+        };
+      };
+    };
+  };
+}