feat: update configs for tmux

home/base/bash.nix

@@ -8,7 +8,6 @@
 
     shellAliases = {
       k = "kubectl";
-      vim = "nvim";
 
       urldecode = "python3 -c 'import sys, urllib.parse as ul; print(ul.unquote_plus(sys.stdin.read()))'";
       urlencode = "python3 -c 'import sys, urllib.parse as ul; print(ul.quote_plus(sys.stdin.read()))'";

home/base/core.nix

@@ -50,11 +50,6 @@
   ];
 
   programs = {
-    # A terminal multiplexer
-    tmux = {
-      enable = true;
-    };
-
     # a cat(1) clone with syntax highlighting and Git integration.
     bat = {
       enable = true;

home/base/default.nix

@@ -2,8 +2,9 @@
 {
   imports = [
     ./nushell
-    ./bash.nix
+    ./tmux
 
+    ./bash.nix
     ./core.nix
     ./development.nix
     ./git.nix

home/base/development.nix

@@ -98,15 +98,24 @@
     # modern vim
     neovim = {
       enable = true;
+      defaultEditor = true;
+      viAlias = false;
+      vimAlias = true;
+
+      # enable line number, disable mouse visual mode
       extraConfig = ''
-        set number relativenumber
+        set number relativenumber mouse-=a
       '';
+
     };
 
     direnv = {
       enable = true;
       nix-direnv.enable = true;
+
       enableZshIntegration = true;
+      enableBashIntegration = true;
+      enableNushellIntegration = true;
     };
   };
 

home/base/nushell/default.nix

@@ -11,7 +11,6 @@
 
     shellAliases = {
       k = "kubectl";
-      vim = "nvim";
 
       urldecode = "python3 -c 'import sys, urllib.parse as ul; print(ul.unquote_plus(sys.stdin.read()))'";
       urlencode = "python3 -c 'import sys, urllib.parse as ul; print(ul.quote_plus(sys.stdin.read()))'";

home/base/tmux/custom-plugins.nix

@@ -0,0 +1,16 @@
+{ pkgs, ... }:
+
+let
+  buildTmuxPlugin = pkgs.tmuxPlugins.mkTmuxPlugin;
+in
+{
+  draculaTheme = buildTmuxPlugin {
+    pluginName = "dracula";
+    version = "v2.2.0";
+    src = builtins.fetchTarball {
+      name   = "dracula-tmux-v2.2.0";
+      url    = "https://github.com/dracula/tmux/archive/refs/tags/v2.2.0.tar.gz";
+      sha256 = "sha256:0v2k994yy4xx2iw8qxg7qphw46gq2qmg496i3a3h9b6jgwxqm7zn";
+    };
+  };
+}

home/base/tmux/default.nix

@@ -0,0 +1,64 @@
+{ config, pkgs, ... }:
+
+let
+  plugins  = pkgs.tmuxPlugins // pkgs.callPackage ./custom-plugins.nix {};
+in
+{
+  programs.tmux = {
+    enable = true;
+
+    # Resize the window to the size of the smallest session for which it is the current window.
+    # 
+    aggressiveResize = true;
+
+    # https://github.com/tmux-plugins/tmux-sensible
+    # tmux-sensible overwrites default tmux shortcuts, makes them more sane.
+    sensibleOnTop = true;
+    
+    # extraConfig =  builtins.readFile ./tmux.conf;
+    # keyMode = "vi";  # default is emacs
+    
+    baseIndex = 1; # start index from 1
+    escapeTime = 0; # do not wait for escape key
+    terminal = "xterm-256color";
+
+    plugins = with plugins; [
+      draculaTheme # theme
+      {
+        # https://github.com/tmux-plugins/tmux-continuum
+        # Continuous saving of tmux environment. Automatic restore when tmux is started.
+        # Automatic tmux start when computer is turned on. 
+        plugin = continuum;
+        extraConfig = ''
+          set -g @continuum-boot 'on'
+          set -g @continuum-save-interval '15'
+          
+          # Option to display current status of tmux continuum in tmux status line. 
+          set -g status-right 'Continuum status: #{continuum_status}'
+        '';
+      }
+      {
+        # https://github.com/tmux-plugins/tmux-resurrect
+        # Manually persists tmux environment across system restarts.
+        #   prefix + Ctrl-s - save
+        #   prefix + Ctrl-r - restore
+        # 
+        plugin = resurrect;
+        # Restore Neovim sessions
+        extraConfig = "set -g @resurrect-strategy-nvim 'session'";
+      }
+      {
+        # https://github.com/tmux-plugins/tmux-yank
+        # Enables copying to system clipboard.
+        plugin = yank;
+      }
+      # set -g @plugin 'tmux-plugins/tmux-cpu'
+      {
+        plugin = cpu;
+        extraConfig = ''
+          set -g status-right '#{cpu_bg_color} CPU: #{cpu_icon} #{cpu_percentage} | %a %h-%d %H:%M '
+        '';
+      }
+    ];
+  };
+}

home/linux/base/development.nix

@@ -13,22 +13,6 @@
     conda
   ];
 
-  programs = {
-    # modern vim
-    neovim = {
-      enable = true;
-      extraConfig = ''
-        set number relativenumber
-      '';
-    };
-
-    direnv = {
-      enable = true;
-      nix-direnv.enable = true;
-      enableZshIntegration = true;
-    };
-  };
-
   # GitHub CLI tool
   programs.gh = {
     enable = true;

home/linux/i3/x11-apps.nix

@@ -3,6 +3,7 @@
 }: {
   home.packages = with pkgs; [
     firefox
+    xsel  # for clipboard support in x11, required by tmux's clipboard support
   ];