manatee: Add tmux module

hosts/manatee/modules/default.nix

@@ -12,6 +12,7 @@ in
 
       ssh.enable = true;
       git.enable = true;
+      tmux.enable = true;
 
       nginx.enable = true;
       syncthing.enable = true;

hosts/manatee/modules/tmux/default.nix

@@ -0,0 +1,71 @@
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}:
+let
+  enabled = config.mod.tmux.enable;
+in
+{
+  options = {
+    mod.tmux = {
+      enable = lib.mkEnableOption "enable tmux module";
+    };
+  };
+
+  config = lib.mkIf enabled {
+    home-manager.users.alex = {
+      programs.tmux = {
+        enable = true;
+
+        baseIndex = 1;
+        keyMode = "vi";
+
+        # Allow vi mode to be enabled instantly
+        escapeTime = 0;
+
+        plugins = [ pkgs.tmuxPlugins.sensible ];
+
+        extraConfig = ''
+          set -g renumber-windows on
+
+          # https://old.reddit.com/r/tmux/comments/mesrci/tmux_2_doesnt_seem_to_use_256_colors/
+          set -g default-terminal "xterm-256color"
+          set -ga terminal-overrides ",*256col*:Tc"
+          set -ga terminal-overrides ',*:Ss=\E[%p1%d q:Se=\E[ q'
+          set-environment -g COLORTERM "truecolor"
+
+          set-option -g allow-rename off
+
+          # Remove date/time etc. on the right side
+          set -g status-right ""
+
+          bind r source-file ~/.config/tmux/tmux.conf \; display "Config reloaded"
+
+          # Remove accidental `suspend-client` triggers
+          unbind C-z
+
+          bind | split-window -h -c "#{pane_current_path}"
+          bind - split-window -v -c "#{pane_current_path}"
+
+          # Move panes shortcuts
+          bind h select-pane -L
+          bind j select-pane -D
+          bind k select-pane -U
+          bind l select-pane -R
+
+          # Resize panes
+          bind -r H resize-pane -L 5
+          bind -r J resize-pane -D 5
+          bind -r K resize-pane -U 5
+          bind -r L resize-pane -R 5
+
+          # Move windows
+          bind -r Left swap-window -t -1 \; select-window -t -1
+          bind -r Right swap-window -t +1 \; select-window -t +1
+        '';
+      };
+    };
+  };
+}