Full rewrite

system/programs/default.nix

@@ -0,0 +1,14 @@
+{ pkgs, lib, ... }: {
+  imports = [
+    ./nano.nix
+  ];
+
+  # Basic list of must-have packages for all systems
+  # TODO: Move these to home-manager, no need for system wide deps
+  # although maybe keep vim
+  environment.systemPackages = with pkgs; [
+    vim
+    gnupg
+    delta
+  ];
+}

system/programs/nano.nix

@@ -0,0 +1,49 @@
+{ pkgs, ... }: {
+  programs.nano = {
+    # enabled by default anyway, we can keep it in case my neovim config breaks
+    enable = true;
+    nanorc = ''
+      include ${pkgs.nanorc}/share/*.nanorc # extended syntax highlighting
+
+      # Options
+      # https://github.com/davidhcefx/Modern-Nano-Keybindings
+      set tabsize 4
+      set tabstospaces
+      set linenumbers
+      set numbercolor yellow,normal
+      set indicator                         # side-bar for indicating cur position
+      set smarthome                         # `Home` jumps to line start first
+      set afterends                         # `Ctrl+Right` move to word ends instead of word starts
+      set wordchars "_"                     # recognize '_' as part of a word
+      set zap                               # delete selected text as a whole
+      set historylog                        # remember search history
+      set multibuffer                       # read files into multibuffer instead of insert
+      set mouse                             # enable mouse support
+      bind M-R  redo            main
+      bind ^C   copy            main
+      bind ^X   cut             main
+      bind ^V   paste           main
+      bind ^K   zap             main
+      bind ^H   chopwordleft    all
+      bind ^Q   exit            all
+      bind ^Z   suspend         main
+      bind M-/  comment         main
+      bind ^Space complete      main
+
+      bind M-C  location        main
+      bind ^E   wherewas        all
+      bind M-E  findprevious    all
+      bind ^R   replace         main
+      bind ^B   pageup          all         # vim-like support
+      bind ^F   pagedown        all
+      bind ^G   firstline       all
+      bind M-G  lastline        all
+
+      bind M-1    help          all         # fix ^G been used
+      bind Sh-M-C constantshow  main        # fix M-C, M-F and M-b been used
+      bind Sh-M-F formatter     main
+      bind Sh-M-B linter        main
+    '';
+  };
+}
+